/*
  Main CSS file for NuovaMente — versão consolidada conservadora
  Objetivo: manter o comportamento visual atual, consolidando regras espalhadas,
  preservando classes/IDs/estados/media queries e priorizando os patches finais.
*/

/* =========================================================
   1. VARIÁVEIS GLOBAIS — LIGHT MODE
========================================================= */
:root {
  color-scheme: light dark;

  /* Paleta principal */
  --primary-color: #36929b;
  --secondary-color: #5c6baf;
  --accent-color: #5c6baf;
  --background-color: #fafafa;
  --surface-color: #ffffff;
  --surface-color-transparent: rgba(255, 255, 255, 0.85);
  --text-primary: #2c3e50;
  --text-secondary: #7f8c8d;
  --text-light: #bdc3c7;
  --border-color: #e1e5e9;
  --shadow-color: rgba(0, 0, 0, 0.1);

  /* Status */
  --success-color: #27ae76;
  --warning-color: #f3b212;
  --error-color: #e74c3c;
  --info-color: #3498db;

  /* Ícones */
  --icon-color: #2c3e50;
  --icon-secondary: #7f8c8d;
  --icon-muted: #bdc3c7;

  /* Progresso */
  --progress-excellent: #27ae60;
  --progress-good: #f39c12;
  --progress-poor: #e74c3c;
  --progress-not-started: #bdc3c7;
  --progress-fill: linear-gradient(135deg, var(--primary-color), var(--accent-color));

  /* Tipografia */
  --font-title: "Baloo Bhai 2", "Baloo 2", "Nunito", "Quicksand", "Rubik", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-brand: "Baloo Bhai 2", "Baloo 2", "Nunito", "Quicksand", "Rubik", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-tiny: 12px;
  --font-size-small: 14px;
  --font-size-base: 17px;
  --font-size-large: 20px;
  --font-size-xl: 25px;
  --font-size-xxl: 32px;

  /* Espaçamento */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-mmd: 18px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Layout */
  --header-height: 70px;
  --breadcrumb-height: 40px;
  --footer-height: 80px;
  --container-max-width: 1200px;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-50: 18px;

  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-flip: 0.6s;

  /* Footer progress */
  --overall-progress-height: 10px;
  --overall-progress-height-expanded: 30px;

  /* Blur */
  --blur: 9px;
  --bg-color-blur: rgba(255, 255, 255, 0.8);

  /* Feature lock — premium */
  --fl-premium-bg-top: rgba(255, 244, 214, 0.85);
  --fl-premium-bg-bottom: rgba(255, 255, 255, 0.95);
  --fl-premium-border: rgba(255, 200, 90, 0.45);
  --fl-premium-shadow-main: 0 10px 25px rgba(0, 0, 0, 0.06);
  --fl-premium-shadow-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
  --fl-premium-shadow-icon: 0 6px 14px rgba(245, 158, 11, 0.35);
  --fl-premium-shadow-btn: 0 8px 18px rgba(245, 158, 11, 0.35);
  --fl-premium-grad-main: linear-gradient(135deg, #facc15, #f59e0b);
  --fl-premium-grad-badge: linear-gradient(135deg, #f5b942, #f59e0b);
  --fl-premium-text-main: #1f2933;
  --fl-premium-text-secondary: #4b5563;
  --fl-premium-text-accent: #92400e;
  --fl-premium-border-dashed: rgba(245, 158, 11, 0.6);
  --fl-premium-dark-bg-top: rgba(60, 45, 10, 0.85);
  --fl-premium-dark-bg-bottom: rgba(20, 20, 20, 0.95);
  --fl-premium-dark-border: rgba(245, 158, 11, 0.45);
  --fl-premium-dark-shadow-main: 0 12px 28px rgba(0, 0, 0, 0.6);
  --fl-premium-dark-shadow-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  --fl-premium-dark-shadow-icon: 0 6px 18px rgba(245, 158, 11, 0.45);
  --fl-premium-dark-shadow-btn: 0 10px 22px rgba(245, 158, 11, 0.5);
  --fl-premium-dark-grad-main: linear-gradient(135deg, #fbbf24, #f59e0b);
  --fl-premium-dark-text-main: #f9fafb;
  --fl-premium-dark-text-secondary: #d1d5db;
  --fl-premium-dark-text-accent: #fbbf24;

  /* Feature lock — pago */
  --fl-paid-bg-top: rgba(214, 242, 244, 0.85);
  --fl-paid-bg-bottom: rgba(255, 255, 255, 0.95);
  --fl-paid-border: rgba(54, 146, 155, 0.45);
  --fl-paid-shadow-main: 0 10px 25px rgba(0, 0, 0, 0.06);
  --fl-paid-shadow-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
  --fl-paid-shadow-icon: 0 6px 14px rgba(54, 146, 155, 0.35);
  --fl-paid-shadow-btn: 0 8px 18px rgba(54, 146, 155, 0.35);
  --fl-paid-grad-main: linear-gradient(135deg, #4cc3c7, #36929b);
  --fl-paid-grad-badge: linear-gradient(135deg, #5fd4d8, #36929b);
  --fl-paid-text-main: #0b3a3f;
  --fl-paid-text-secondary: #3f6f73;
  --fl-paid-text-accent: #1b6a70;
  --fl-paid-border-dashed: rgba(54, 146, 155, 0.6);
  --fl-paid-dark-bg-top: rgba(20, 55, 58, 0.85);
  --fl-paid-dark-bg-bottom: rgba(15, 20, 22, 0.95);
  --fl-paid-dark-border: rgba(54, 146, 155, 0.45);
  --fl-paid-dark-shadow-main: 0 12px 28px rgba(0, 0, 0, 0.6);
  --fl-paid-dark-shadow-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  --fl-paid-dark-shadow-icon: 0 6px 18px rgba(54, 146, 155, 0.45);
  --fl-paid-dark-shadow-btn: 0 10px 22px rgba(54, 146, 155, 0.5);
  --fl-paid-dark-grad-main: linear-gradient(135deg, #4cc3c7, #36929b);
  --fl-paid-dark-text-main: #e6f6f7;
  --fl-paid-dark-text-secondary: #b7e4e6;
  --fl-paid-dark-text-accent: #5fd4d8;

  /* Feature lock — free */
  --fl-free-bg-top: rgba(245, 246, 247, 0.95);
  --fl-free-bg-bottom: rgba(255, 255, 255, 0.9);
  --fl-free-border: rgba(156, 163, 175, 0.45);
  --fl-free-shadow-main: 0 8px 20px rgba(0, 0, 0, 0.05);
  --fl-free-shadow-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.7);
  --fl-free-shadow-icon: 0 4px 10px rgba(156, 163, 175, 0.35);
  --fl-free-shadow-btn: 0 6px 14px rgba(156, 163, 175, 0.25);
  --fl-free-grad-main: linear-gradient(135deg, #e5e7eb, #d1d5db);
  --fl-free-grad-badge: linear-gradient(135deg, #d1d5db, #9ca3af);
  --fl-free-text-main: #374151;
  --fl-free-text-secondary: #6b7280;
  --fl-free-text-accent: #4b5563;
  --fl-free-border-dashed: rgba(156, 163, 175, 0.6);
  --fl-free-dark-bg-top: rgba(28, 30, 34, 0.95);
  --fl-free-dark-bg-bottom: rgba(18, 20, 24, 0.95);
  --fl-free-dark-border: rgba(156, 163, 175, 0.35);
  --fl-free-dark-shadow-main: 0 10px 24px rgba(0, 0, 0, 0.7);
  --fl-free-dark-shadow-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  --fl-free-dark-shadow-icon: 0 4px 12px rgba(156, 163, 175, 0.35);
  --fl-free-dark-shadow-btn: 0 8px 18px rgba(156, 163, 175, 0.35);
  --fl-free-dark-grad-main: linear-gradient(135deg, #9ca3af, #6b7280);
  --fl-free-dark-text-main: #e5e7eb;
  --fl-free-dark-text-secondary: #9ca3af;
  --fl-free-dark-text-accent: #d1d5db;

  /* Modais */
  --overlay-bg: rgba(17,24,39,.55);
  --modal-surface: var(--surface-color);
  --modal-text: var(--text-primary);
  --modal-muted: var(--text-secondary);
  --modal-border: var(--border-color);
  --modal-shadow: 0 12px 34px var(--shadow-color);

  /* Avatar modal aluno */
  --avatar-bg: color-mix(in srgb, var(--primary-color) 14%, var(--surface-color));
  --avatar-text: var(--primary-color);
  --avatar-border: color-mix(in srgb, var(--primary-color) 32%, transparent);

  /* Atmosfera de fundo */
  --bg-atmos-1: radial-gradient(700px 400px at 15% 25%, rgba(92,107,175,0.18), transparent 60%);
  --bg-atmos-2: radial-gradient(900px 600px at 80% 20%, rgba(54,146,155,0.09), transparent 55%);
  --bg-atmos-3: radial-gradient(900px 700px at 70% 85%, rgba(39,174,140,0.15), transparent 60%);
  --bg-atmos-base: linear-gradient(180deg, rgba(250,251,255,1), rgba(245,247,252,1));

  /* Menu app */
  --vm-menu-glass-bg: rgba(248, 251, 255, 0.74);
  --vm-menu-atmosphere:
    radial-gradient(800px 520px at 18% 0%, rgba(92, 107, 175, 0.22), transparent 58%),
    radial-gradient(760px 540px at 88% 18%, rgba(54, 146, 155, 0.24), transparent 56%),
    linear-gradient(180deg, rgba(248, 251, 255, 0.30), rgba(239, 246, 250, 0.36));
  --vm-menu-header-bg: rgba(248, 251, 255, 0.88);
  --vm-menu-header-border: rgba(15, 23, 42, 0.08);
  --vm-menu-header-icon: #172033;
  --vm-menu-card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.70));
  --vm-menu-card-border: rgba(15, 23, 42, 0.09);
  --vm-menu-card-shadow: 0 24px 60px rgba(15, 23, 42, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.92);
  --vm-menu-text: #172033;
  --vm-menu-muted: rgba(23, 32, 51, 0.54);
  --vm-menu-section-title: rgba(23, 32, 51, 0.50);
  --vm-menu-footer-text: rgba(23, 32, 51, 0.44);
  --vm-menu-row-border: rgba(15, 23, 42, 0.08);
  --vm-menu-row-hover: rgba(54, 146, 155, 0.08);
  --vm-menu-row-active: linear-gradient(100deg, rgba(54, 146, 155, 0.20), rgba(92, 107, 175, 0.18)), rgba(255, 255, 255, 0.36);
  --vm-menu-icon-bg: rgba(255, 255, 255, 0.64);
  --vm-menu-icon-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88), 0 8px 20px rgba(15, 23, 42, 0.08);
  --vm-menu-chevron: rgba(23, 32, 51, 0.36);
  --vm-menu-chevron-hover: rgba(23, 32, 51, 0.62);
  --vm-menu-danger: #e85b73;
  --vm-menu-danger-bg: linear-gradient(90deg, rgba(232, 91, 115, 0.13), rgba(255, 255, 255, 0.58));
  --vm-lang-row-active: linear-gradient(100deg, rgba(54, 146, 155, 0.18), rgba(92, 107, 175, 0.16)), rgba(255, 255, 255, 0.58);
}

[data-theme="dark"] {
  --overlay-bg: rgba(0,0,0,.6);
  --avatar-bg: color-mix(in srgb, var(--primary-color) 20%, var(--surface-color));
  --avatar-text: #fff;
  --avatar-border: color-mix(in srgb, var(--primary-color) 45%, transparent);
}

/* =========================================================
   2. RESET, BASE E TIPOGRAFIA
========================================================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  line-height: 1.6;
  scroll-behavior: smooth;
  min-height: 100%;
  background:
    var(--bg-atmos-1),
    var(--bg-atmos-2),
    var(--bg-atmos-3),
    var(--bg-atmos-base);
  background-repeat: no-repeat;
  background-size: cover;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: transparent !important;
  background-color: var(--background-color);
  padding-top: calc(var(--header-height) + var(--breadcrumb-height));
  padding-bottom: calc(var(--footer-height) + 16px);
  min-height: 100vh;
  opacity: 1;
}

html.lang-loading,
html.lang-loading body {
  overflow: hidden !important;
}

html.lang-loading body {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

html.lang-ready body {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transition: opacity 0.18s ease 0.12s !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: var(--font-size-xxl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-large); }

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

button,
a,
label,
.option-label,
.quiz-option,
.audio-btn,
.btn,
.nav-btn,
.check-btn,
.quiz-toggle-btn {
  touch-action: manipulation;
}

/* =========================================================
   3. BOTÕES E UTILITÁRIOS
========================================================= */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.5;
  min-height: 44px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  box-shadow: 0 10px 22px rgba(0,0,0,0.18);
}

.btn-primary:hover {
  background-color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.22);
}

.btn-secondary {
  background-color: var(--surface-color);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
}

.btn-full { width: 100%; }
.baloo { font-family: var(--font-title); }
.bold { font-weight: 800; }
.make-it-white { color: white !important; }

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =========================================================
   4. HEADER, LOGO, ÍCONES E CAMADAS
========================================================= */
.header {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 calc(var(--spacing-md) - 8px);
  z-index: 12000 !important;
  box-shadow: 0 2px 4px var(--shadow-color);
}

.logo {
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.logo:hover { transform: scale(1.05); }

.logo h1 {
  font-size: var(--font-size-large);
  margin: 0;
  color: var(--primary-color);
}

.logo img {
  height: 50px !important;
  vertical-align: middle;
  margin-right: var(--spacing-sm);
}

.logo img,
.site-logo img,
.header-logo img,
.navbar-logo img,
.brand-logo img,
img[alt*="Nuova"],
img[alt*="Mente"] {
  filter:
    brightness(1.01)
    contrast(1.02)
    saturate(1.05)
    drop-shadow(0 0 10px rgba(255, 255, 255, 0.22))
    drop-shadow(0 0 18px rgba(255, 255, 255, 0.14));
  transform: none;
}

.icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.icon-btn .mi {
  font-size: 30px;
  line-height: 1;
  color: var(--text-primary);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal),
    color var(--transition-normal);
  transform-origin: center;
  backface-visibility: hidden;
  will-change: opacity, transform;
  pointer-events: none;
}

.icon-btn .mi-a {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.icon-btn .mi-b {
  opacity: 0;
  transform: rotate(0deg) scale(0.80);
}

#languageToggle,
#hamburger {
  position: relative !important;
  z-index: 12200 !important;
}

#languageToggle.icon-btn.active .mi-a,
#languageToggle.icon-btn.is-open .mi-a {
  opacity: 0;
  transform: rotate(90deg) scale(0.80);
}

#languageToggle.icon-btn.active .mi-b,
#languageToggle.icon-btn.is-open .mi-b {
  opacity: 1;
  transform: rotate(90deg) scale(1);
}

#hamburger.icon-btn.active .mi-a {
  opacity: 0;
  transform: rotate(-90deg) scale(0.80);
}

#hamburger.icon-btn.active .mi-b {
  opacity: 1;
  transform: rotate(-90deg) scale(1);
}

.icon-btn:hover .material-icons { color: var(--text-primary); }

.material-icons {
  color: var(--icon-color);
  user-select: none;
  -webkit-user-select: none;
  transition: color var(--transition-fast);
  vertical-align: middle;
}

.material-icons.secondary { color: var(--icon-secondary); }
.material-icons.muted { color: var(--icon-muted); }
.material-icons.primary { color: var(--primary-color); }
.material-icons.success { color: var(--success-color); }
.material-icons.warning { color: var(--warning-color); }
.material-icons.error { color: var(--error-color); }

.material-icons.gradient-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  filter: saturate(110%) brightness(110%);
  font-size: 35pt;
}

.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
}

.icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.icon-16 { width: 16px; height: 16px; }
.icon-20 { width: 20px; height: 20px; }
.icon-24 { width: 24px; height: 24px; }
.icon-32 { width: 32px; height: 32px; }
.icon-40 { width: 40px; height: 40px; }
.icon-48 { width: 48px; height: 48px; }
.icon-56 { width: 56px; height: 56px; }
.icon-64 { width: 64px; height: 64px; }

body:has(#navMenu.active) .header,
body:has(#languageDropdown.active) .header {
  background-color: var(--surface-color) !important;
  background: var(--surface-color) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: 0 2px 4px var(--shadow-color) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

body:has(#navMenu.active) .header .icon-btn .mi,
body:has(#languageDropdown.active) .header .icon-btn .mi {
  color: var(--vm-menu-header-icon) !important;
}

body:has(#languageDropdown.active) #activeLangIcon {
  opacity: 0 !important;
  transform: rotate(90deg) scale(0.80) !important;
  pointer-events: none !important;
}

body:has(#languageDropdown.active) #languageToggle .mi-b {
  opacity: 1 !important;
  transform: rotate(90deg) scale(1) !important;
  color: var(--text-primary) !important;
  z-index: 3 !important;
}

html:has(#navMenu.active),
body:has(#navMenu.active),
html:has(#languageDropdown.active),
body:has(#languageDropdown.active) {
  overflow: hidden !important;
}

html:has(#navMenu.active),
body:has(#navMenu.active) {
  height: auto !important;
  max-height: none !important;
}

/* =========================================================
   5. MENU PRINCIPAL E MENU DE IDIOMAS
========================================================= */
.language-selector {
  position: relative !important;
  display: flex;
  align-items: center;
  height: 44px;
  z-index: 12200 !important;
}

.nav-menu,
.language-dropdown {
  background: transparent !important;
  backdrop-filter: blur(46px) saturate(175%) brightness(1.03) !important;
  -webkit-backdrop-filter: blur(46px) saturate(175%) brightness(1.03) !important;
  border: 0 !important;
  box-shadow: none !important;
  overflow-y: auto !important;
  overscroll-behavior: contain !important;
  box-sizing: border-box !important;
  isolation: isolate !important;
}

.nav-menu::before,
.language-dropdown::before {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  z-index: 0 !important;
  background: var(--vm-menu-atmosphere), var(--vm-menu-glass-bg) !important;
  backdrop-filter: blur(46px) saturate(175%) brightness(1.03) !important;
  -webkit-backdrop-filter: blur(46px) saturate(175%) brightness(1.03) !important;
  pointer-events: none !important;
}

.nav-menu {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  max-width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  max-height: 100dvh !important;
  padding:
    calc(var(--header-height) + 18px)
    max(18px, env(safe-area-inset-right))
    calc(22px + env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left)) !important;
  z-index: 9000 !important;
  transform: translateX(-100%) !important;
  opacity: 0 !important;
  pointer-events: none !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;
  overscroll-behavior: contain !important;
  transition:
    transform 320ms cubic-bezier(.2,.8,.2,1),
    opacity 220ms ease !important;
}

.nav-menu.active {
  left: 0 !important;
  transform: translateX(0) !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  width: 100vw !important;
  max-width: 100vw !important;
}

.nav-menu ul {
  list-style: none;
  padding-top: var(--spacing-lg) !important;
  padding-bottom: calc(var(--spacing-xxl) + env(safe-area-inset-bottom)) !important;
}

.nav-menu li { margin: 0; }

.nav-menu a,
.nav-menu a:hover {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  text-decoration: none !important;
  font-weight: 600;
  transition: all var(--transition-fast);
  border-left: 0 solid transparent;
  font-size: var(--font-size-large);
  font-family: var(--font-brand);
}

.nav-menu a:hover {
  border-left-color: var(--primary-color);
  color: var(--primary-color);
}

.nav-menu__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  min-height: calc(100dvh - var(--header-height) - 40px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.nav-menu__section { width: 100%; }

.nav-menu__section-title {
  margin: 0 0 12px 28px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1;
  font-weight: 800;
  color: var(--vm-menu-section-title);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.nav-card {
  width: 100%;
  overflow: hidden;
  border-radius: 26px;
  background: var(--vm-menu-card-bg);
  border: 1px solid var(--vm-menu-card-border);
  box-shadow: var(--vm-menu-card-shadow);
}

.nav-card--single { border-radius: 24px; }
.nav-card--danger { background: var(--vm-menu-danger-bg); }

.nav-row {
  position: relative;
  min-height: 76px;
  display: flex !important;
  align-items: center;
  gap: 18px;
  padding: 13px 22px 13px 18px !important;
  color: var(--vm-menu-text) !important;
  font-family: var(--font-brand);
  font-size: clamp(1.12rem, 3.4vw, 1.36rem) !important;
  line-height: 1.1;
  font-weight: 800 !important;
  border-left: 0 !important;
  border-bottom: 1px solid var(--vm-menu-row-border);
  transition: background 180ms ease, transform 180ms ease, color 180ms ease;
}

.nav-row:last-child { border-bottom: 0; }
.nav-row:active { transform: scale(0.992); }

.nav-row.is-active {
  background: var(--vm-menu-row-active);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.055), 0 0 28px rgba(92, 107, 175, 0.13);
}

.nav-row__icon {
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: var(--vm-menu-icon-bg);
  box-shadow: var(--vm-menu-icon-shadow);
}

.nav-row__icon .material-symbols-rounded {
  font-size: 31px;
  line-height: 1;
  color: currentColor !important;
}

.nav-row__icon--home { color: #47b8d6; background: rgba(71, 184, 214, 0.12); }
.nav-row__icon--panel { color: #8176e8; background: rgba(129, 118, 232, 0.12); }
.nav-row__icon--account { color: #35bfc4; background: rgba(53, 191, 196, 0.12); }
.nav-row__icon--plans { color: #8176e8; background: rgba(129, 118, 232, 0.12); }
.nav-row__icon--faq { color: #2da9df; background: rgba(45, 169, 223, 0.12); }
.nav-row__icon--info { color: #8176e8; background: rgba(129, 118, 232, 0.12); }
.nav-row__icon--login { color: #36929b; background: rgba(54, 146, 155, 0.12); }
.nav-row__icon--logout { color: var(--vm-menu-danger); background: rgba(232, 91, 115, 0.12); }

.nav-row__label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-row__chevron {
  flex: 0 0 auto;
  font-size: 32px !important;
  color: var(--vm-menu-chevron) !important;
  transition: transform 180ms ease, color 180ms ease;
}

.nav-row--danger { color: var(--vm-menu-danger) !important; }
.nav-row--danger .nav-row__chevron { color: color-mix(in srgb, var(--vm-menu-danger) 62%, transparent) !important; }

.nav-menu__footer {
  margin-top: auto;
  padding: 14px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.nav-menu__footer-icon {
  width: 42px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vm-menu-footer-text);
}

.nav-menu__footer-icon .material-symbols-rounded {
  font-size: 30px;
  color: currentColor !important;
}

.nav-menu__tagline {
  margin: 0;
  font-family: var(--font-brand);
  font-size: 1rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--vm-menu-footer-text);
  text-align: center;
}

.language-dropdown {
  position: fixed !important;
  top: var(--header-height) !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  max-width: 100vw !important;
  height: calc(100vh - var(--header-height)) !important;
  height: calc(100dvh - var(--header-height)) !important;
  padding:
    42px
    max(18px, env(safe-area-inset-right))
    calc(22px + env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left)) !important;
  z-index: 9000 !important;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  transform: translateX(100%) !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transition:
    transform 320ms cubic-bezier(.2,.8,.2,1),
    opacity 220ms ease !important;
}

.language-dropdown.active {
  transform: translateX(0) !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

.language-dropdown .language-option,
.language-dropdown::after {
  position: relative !important;
  z-index: 1 !important;
}

.language-dropdown::after {
  content: "";
  width: 38px;
  height: 4px;
  margin-top: 22px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--vm-menu-muted) 42%, transparent);
}

.language-option {
  width: min(560px, 100%) !important;
  min-height: 76px;
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  padding: 14px 22px 14px 18px !important;
  color: var(--vm-menu-text) !important;
  background: var(--vm-menu-card-bg) !important;
  border: 1px solid var(--vm-menu-card-border) !important;
  border-bottom: 0 !important;
  text-align: left !important;
  font-family: var(--font-brand) !important;
  font-size: clamp(1.08rem, 3.3vw, 1.30rem) !important;
  line-height: 1.1;
  font-weight: 800 !important;
  cursor: pointer;
  box-shadow: none !important;
  transition: background 180ms ease, transform 180ms ease, color 180ms ease;
  -webkit-tap-highlight-color: transparent;
}

.language-option:first-of-type {
  border-top-left-radius: 26px !important;
  border-top-right-radius: 26px !important;
  box-shadow: var(--vm-menu-card-shadow);
}

.language-option:last-of-type {
  border-bottom-left-radius: 26px !important;
  border-bottom-right-radius: 26px !important;
  border-bottom: 1px solid var(--vm-menu-card-border) !important;
}

.language-option + .language-option { border-top: 1px solid var(--vm-menu-row-border) !important; }
.language-option:active { transform: scale(0.992); }

.language-option.active {
  background: var(--vm-lang-row-active) !important;
  color: var(--vm-menu-text) !important;
}

.language-option.active::after {
  content: "✓";
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--primary-color);
}

.language-option img {
  width: 32px !important;
  height: 32px !important;
  flex: 0 0 32px;
  object-fit: cover !important;
  border-radius: 999px;
  box-shadow: 0 5px 14px rgba(15, 23, 42, 0.12), inset 0 0 0 1px rgba(255,255,255,0.45);
}

.language-option .flag { display: none !important; }

#languageDropdown.language-dropdown {
  background:
    radial-gradient(800px 520px at 18% 0%, rgba(92, 107, 175, 0.18), transparent 58%),
    radial-gradient(760px 540px at 88% 18%, rgba(54, 146, 155, 0.18), transparent 56%),
    rgba(248, 251, 255, 0.78) !important;
  backdrop-filter: blur(38px) saturate(170%) !important;
  -webkit-backdrop-filter: blur(38px) saturate(170%) !important;
}

#languageDropdown.language-dropdown::before {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  z-index: 0 !important;
  background: linear-gradient(180deg, rgba(255,255,255,0.20), rgba(255,255,255,0.08)) !important;
  backdrop-filter: blur(38px) saturate(170%) !important;
  -webkit-backdrop-filter: blur(38px) saturate(170%) !important;
  pointer-events: none !important;
}

#languageDropdown.language-dropdown .language-option {
  position: relative !important;
  z-index: 2 !important;
}

body:has(#languageDropdown.active) .breadcrumb,
body:has(#languageDropdown.active) .main-content,
body:has(#languageDropdown.active) .footer {
  filter: blur(7px) !important;
  opacity: 0.42 !important;
  transition: filter 220ms ease, opacity 220ms ease !important;
  pointer-events: none !important;
}

body:has(#languageDropdown.active) #languageDropdown,
body:has(#languageDropdown.active) #languageDropdown * {
  filter: none !important;
  opacity: 1 !important;
}

/* =========================================================
   6. BREADCRUMB, MAIN, MODAIS, FOOTER E PROGRESSO
========================================================= */
.breadcrumb {
  height: var(--breadcrumb-height);
  background-color: var(--bg-color-blur);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--text-secondary);
  position: fixed;
  width: 100vw;
  top: var(--header-height);
  z-index: 900 !important;
  white-space: nowrap;
  overflow-x: auto;
  text-overflow: ellipsis;
  display: block;
}

.breadcrumb-separator {
  margin: 0 var(--spacing-sm);
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--accent-color);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.main-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  min-height: calc(100vh - var(--header-height) - var(--footer-height) - 60px);
  overflow-x: hidden;
}

.modal {
  display: none;
  position: static;
  z-index: auto;
  width: 100%;
  height: auto;
  background: transparent;
  backdrop-filter: none;
  padding: 0;
}

.modal-content {
  background-color: var(--surface-color);
  margin: 24px auto 0;
  padding: 0;
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: none;
  overflow: visible;
  box-shadow: 0 8px 32px var(--shadow-color);
  animation: modalSlideIn var(--transition-normal);
  scroll-margin: 80px;
}

.modal-content.large { max-width: 900px; }
.modal-large { max-width: 800px; }

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.modal-close:hover { color: var(--error-color); }
.modal-body { padding: var(--spacing-sm); }

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--progress-not-started);
  border-radius: 4px;
  overflow: hidden;
  margin: var(--spacing-md) 0;
}

.progress-fill {
  height: 100%;
  background: var(--progress-fill);
  transition: width var(--transition-slow);
  border-radius: 4px;
}

.progress-text {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  font-weight: 500;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-color-blur);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-top: 1px solid var(--border-color);
  z-index: 800 !important;
  box-shadow: 0 -2px 4px var(--shadow-color);
}

.overall-progress {
  position: relative;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 8px 12px 16px 12px;
}

.footer.expanded .overall-progress { padding: 12px 16px 28px 16px; }

.progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  margin-bottom: 6px;
  font-weight: 500;
}

.progress-header:hover { color: var(--primary-color); }
.progress-percentage { font-weight: 600; color: var(--text-primary); }

.footer .progress-bar {
  position: relative;
  height: var(--overall-progress-height);
  margin-top: 5px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--border-color);
  transition: height 0.2s ease;
}

.footer.expanded .progress-bar {
  height: var(--overall-progress-height-expanded);
  margin-top: 15px;
}

.footer .progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  height: 100%;
  z-index: 1;
  transition: width var(--transition-normal);
}

.footer .progress-percent {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  transition: opacity 0.2s ease;
  opacity: 0;
  pointer-events: none;
}

.footer.expanded .progress-percent { opacity: 1; }

.progress-toggle {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 6px var(--shadow-color);
}

.progress-toggle .material-icons { font-size: 20px; }

.progress-details {
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
  row-gap: var(--spacing-md);
}

.progress-details.expanded { display: grid; }

.progress-detail {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.progress-detail span:last-child {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--spacing-md));
  right: var(--spacing-md);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  background-color: var(--text-primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px var(--shadow-color);
  font-weight: 500;
  max-width: 400px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  pointer-events: auto;
}

.toast.show { transform: translateX(0); }
.toast.success { background-color: var(--success-color); }
.toast.error { background-color: var(--error-color); }

#completionModal .modal-content {
  width: calc(100% - var(--spacing-lg) - var(--spacing-lg));
  margin: var(--spacing-lg) var(--spacing-lg);
  padding: 0 var(--spacing-lg);
  box-sizing: border-box;
}

/* =========================================================
   7. CARDS, HERO, PÁGINAS DE NÍVEL E LISTAS
========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  filter: saturate(120%) brightness(115%);
  box-shadow: 0 14px 34px rgba(0,0,0,0.12);
  border: 1px solid rgba(255,255,255,0.22);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  pointer-events: none;
  background:
    radial-gradient(700px 420px at 18% 30%, rgba(255,255,255,0.22), transparent 60%),
    radial-gradient(700px 420px at 80% 15%, rgba(0,0,0,0.12), transparent 55%);
  opacity: 0.9;
}

.hero h2 {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--spacing-md);
  line-height: 1.05;
  color: white;
}

.hero p {
  font-size: var(--font-size-base);
  line-height: 1.3;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.levels,
.exercise-types,
.level-progress-section,
.recent-activity,
.achievements,
.progress-overview,
.quick-access,
.quick-actions,
.teacher-actions,
.stats-overview,
.student-management {
  margin-bottom: var(--spacing-xl);
}

.levels h3,
.exercise-types h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-size: var(--font-size-xl);
}

.level-grid,
.exercise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.level-card,
.exercise-card,
.stat-card,
.exercise-item {
  border-radius: 16px;
  box-shadow: 0 7px 16px rgba(0,0,0,0.10);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.level-card,
.exercise-card,
.stat-card,
.exercise-item,
.plans-hero {
  background: var(--surface-color-transparent);
  border: 1px solid var(--border-color);
}

.level-card,
.exercise-card {
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
}

.level-card:hover,
.exercise-card:hover,
.stat-card:hover,
.exercise-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.14);
  border-color: var(--primary-color);
}

.level-icon,
.exercise-icon {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0;
  font-family: var(--font-title);
}

.level-card h4,
.exercise-card h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.level-card p,
.exercise-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

.level-progress { margin-top: var(--spacing-md); }

.cta {
  text-align: center;
  padding: var(--spacing-xxl);
  background-color: var(--surface-color-transparent);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.level-header {
  display: flex;
  align-items: stretch;
  justify-content: space-evenly;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  padding: 0;
  border-radius: var(--border-radius-lg);
  text-align: center;
}

.page-level.level_nivel_title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.level-header .level-badge { margin: 0; }
.level-header h2 { margin: 0; }
.level-header p { flex-basis: 100%; margin-top: var(--spacing-sm); }

.level-badge,
.level-badge-large {
  display: inline-block;
  background: var(--progress-fill);
  color: white;
  border-radius: var(--border-radius);
  font-weight: 700;
  font-family: var(--font-title);
}

.level-badge {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-md);
}

.level-badge-large {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.exercise-list-header,
.exercise-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.exercise-type-badge,
.exercise-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.exercise-type-badge .exercise-icon { font-size: var(--font-size-xl); }

.exercise-type-badge .level-text,
.exercise-badge .level-text,
.exercise-badge .exercise-number {
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  font-weight: 600;
}

.exercise-type-badge .level-text,
.exercise-badge .level-text { background-color: var(--primary-color); }
.exercise-badge .exercise-number { background-color: var(--secondary-color); }

.exercises-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  transition: opacity 0.15s ease;
}

.exercises-container.is-loading { opacity: 0.7; }

.exercise-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
  position: relative;
  overflow: visible;
}

.exercise-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  font-weight: 600;
  margin-right: var(--spacing-md);
  font-family: var(--font-title);
}

.exercise-info { flex: 1; }

.exercise-info h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.exercise-info p,
.exercise-description {
  font-family: var(--font-brand);
  color: var(--text-primary);
  font-size: var(--font-size-medium);
  margin-bottom: 0;
  font-weight: 500;
}

.exercise-header h2 {
    font-size: var(--font-size-xxl) !important;
}


.in-exercise-description {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

/*.exercise-info p,
.exercise-description { font-style: italic; }*/

.exercise-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-icon { font-size: var(--font-size-large); }
.status-text { font-size: var(--font-size-large); font-weight: 700; }

.exercise-item.not-started { border-left: 4px solid var(--progress-not-started); }
.exercise-item.excellent { border-left: 4px solid var(--progress-excellent); }
.exercise-item.good { border-left: 4px solid var(--progress-good); }
.exercise-item.needs-improvement { border-left: 4px solid var(--progress-poor); }

.exercise-item.not-started .exercise-number { background-color: var(--progress-not-started); color: #fff; }
.exercise-item.excellent .exercise-number { background-color: var(--progress-excellent); color: #fff; }
.exercise-item.good .exercise-number { background-color: var(--progress-good); color: #fff; }
.exercise-item.needs-improvement .exercise-number { background-color: var(--progress-poor); color: #fff; }

.exercise-item.excellent .status-text { color: var(--progress-excellent); }
.exercise-item.good .status-text { color: var(--progress-good); }
.exercise-item.needs-improvement .status-text { color: var(--progress-poor); }

/* Novo badge */
.nuovo-badge-floating {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0) 38%),
    linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  border: 0 solid rgba(255,255,255,0.38);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.10) inset,
    0 0 10px rgba(92, 107, 175, 0.22),
    0 0 18px rgba(92, 107, 175, 0.12),
    0 6px 8px rgba(0,0,0,0.06);
  transform: rotate(-14deg);
  transform-origin: center;
  white-space: nowrap;
  pointer-events: none;
  overflow: hidden;
  isolation: isolate;
}

.nuovo-badge-floating::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 999px;
  padding: 1px;
  background: linear-gradient(120deg, var(--secondary-color), white, var(--secondary-color));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.9;
  pointer-events: none;
}

.nuovo-badge-floating::after {
  content: "";
  position: absolute;
  top: -55%;
  left: -42%;
  width: 32%;
  height: 210%;
  transform: rotate(22deg);
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.16) 35%, rgba(255,255,255,0.82) 50%, rgba(255,255,255,0.18) 65%, rgba(255,255,255,0) 100%);
  filter: blur(0.5px);
  opacity: 0;
  animation: nuovoShine 6.9s linear infinite;
  pointer-events: none;
}

.exercise-item.is-nuovo { overflow: visible; }

@keyframes nuovoShine {
  0% { left: -42%; opacity: 0; }
  4% { opacity: 0; }
  8% { opacity: 1; }
  14% { left: 118%; opacity: 0; }
  15% { left: -42%; opacity: 0; }
  48% { left: -42%; opacity: 0; }
  52% { opacity: 0.95; }
  58% { left: 118%; opacity: 0; }
  59% { left: -42%; opacity: 0; }
  78% { left: -42%; opacity: 0; }
  82% { opacity: 0.85; }
  88% { left: 118%; opacity: 0; }
  100% { left: 118%; opacity: 0; }
}

/* =========================================================
   8. EXERCÍCIOS, QUIZ, VOCABULÁRIO E FLASHCARDS
========================================================= */
.reading-exercise,
.vocabulary-exercise,
.grammar-exercise {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.reading-exercise,
.vocabulary-exercise { overflow: hidden; }

.vocabulary-exercise {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.grammar-exercise { padding: var(--spacing-xl); }

.text-section {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
}

.text-section h3,
.questions-section h3 {
  margin: 0 auto var(--spacing-lg) auto;
  max-width: 800px;
  font-size: var(--font-size-xl);
}

.text-content {
  font-size: var(--font-size-large);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
}

.text-content p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
  word-break: normal;
}

.questions-section { padding: var(--spacing-xl); }
.questions-container { max-width: 800px; margin: 0 auto; }

.question-item,
.quiz-question {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.question-item.answered {
  opacity: 0.95;
  pointer-events: none;
}

.question-text {
  font-size: var(--font-size-large);
  font-weight: 400;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.options,
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.option-label,
.quiz-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--surface-color);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--text-primary);
}

.option-label:hover {
  border-color: var(--primary-color);
  background-color: rgba(46, 139, 87, 0.05);
}

.option-label.correct,
.quiz-option.correct {
  color: var(--success-color);
  border: 2px solid var(--success-color);
  background-color: #e0fbe5 !important;
}

.option-label.incorrect,
.quiz-option.incorrect {
  color: var(--error-color);
  border: 2px solid var(--error-color);
  background-color: #fde0e0 !important;
}

.quiz-option:disabled { cursor: not-allowed; }

.option-label input[type="radio"] {
  transform: scale(1.2);
  accent-color: var(--primary-color);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  outline: none;
  border: none;
  margin: 0;
  padding: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.option-text {
  font-size: var(--font-size-base);
  line-height: 1.5;
}

.option-text.correct {
  color: var(--success-color);
  font-weight: bold;
}

.option-text.incorrect {
  color: var(--error-color);
  font-weight: bold;
}

.mode-selector {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.mode-btn {
  background-color: var(--surface-color);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.mode-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.mode-btn:hover:not(.active) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.flashcards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  min-height: 300px;
}

.flashcard-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.flashcard,
.single-flashcard {
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition-normal);
}

.flashcard {
  width: 100%;
  height: 200px;
  perspective: 1000px;
}

.flashcard:hover,
.single-flashcard:hover { transform: translateY(-5px); }

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform var(--transition-flip);
  transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner,
.single-flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}

.instructions-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: center;
  color: var(--text-secondary);
  padding: var(--spacing-xl);
}

.instructions-content h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.instructions-content p {
  font-size: var(--font-size-small);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.input-section {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.answer-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  min-width: 200px;
  transition: border-color var(--transition-fast);
}

.answer-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.answer-input[readonly] {
  background: #f7f7f7;
  cursor: not-allowed;
}

.answer-input.locked {
  background: var(--neutral-50, #f5f5f5);
  cursor: not-allowed;
}

.check-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.check-btn:hover { background-color: #357abd; }
.check-btn.disabled { opacity: 0.6; cursor: not-allowed; }

.feedback {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 500;
}

.feedback.correct {
  background-color: rgba(39, 174, 96, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

.feedback.incorrect {
  background-color: rgba(231, 76, 60, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.exercise-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 12px;
  margin-top: 20px;
  padding-top: var(--spacing-lg);
  border-top: 0 solid var(--border-color);
  transition: all 0.3s ease;
}

.exercise-navigation .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 1rem;
  white-space: nowrap;
  flex: 1 1 0;
  min-width: 0;
}

.modal + .exercise-navigation {
  margin-top: var(--spacing-sm);
  flex-direction: column;
  align-items: center;
}

.modal + .exercise-navigation button { margin-top: var(--spacing-sm); }

.navigation-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.vocabulary-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1001;
  backdrop-filter: blur(5px);
}

.popup-content {
  background: var(--surface-color);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  animation: popupFadeIn 0.3s ease-out;
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: scale(0.9) translateY(-20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.popup-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: var(--font-size-large);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.popup-body { padding: var(--spacing-lg); }

.instruction-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.instruction-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.instruction-item p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.single-flashcard-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--spacing-xl);
  text-align: center;
}

.flashcard-wrapper {
  perspective: 1000px;
  margin-bottom: var(--spacing-xl);
  display: flex;
  justify-content: center;
  align-items: center;
}

.single-flashcard {
  width: 350px;
  height: 250px;
}

.flashcard-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  width: 100%;
}

.nav-btn {
  background: var(--surface-color);
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 24px;
}

.nav-btn:hover:not(:disabled) {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.card-counter {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--text-primary);
  min-width: 80px;
  text-align: center;
}

.quiz-toggle-container {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.quiz-toggle-btn {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border: none;
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-large);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); transform: scale(1); }
  50% { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3); transform: scale(1.05); }
}

.quiz-toggle-btn:hover {
  animation: none;
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 12px var(--shadow-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--spacing-md);
  transition: box-shadow var(--transition-normal);
}

.flashcard:hover .flashcard-front,
.flashcard:hover .flashcard-back {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.flashcard-front {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
}

.flashcard-back {
  background: linear-gradient(405deg, var(--secondary-color), var(--primary-color));
  color: white;
  transform: rotateY(180deg);
}

.card-header {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  height: 40px;
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-content h2 { color: white; }

.card-footer {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 30px;
}

.italian-word,
.translation {
  font-family: var(--font-title);
  font-weight: 600;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.italian-word { font-size: var(--font-size-xxl); }
.translation { font-size: var(--font-size-xl); }
.single-flashcard .italian-word { font-size: 2.5rem; }
.single-flashcard .translation { font-size: 2.2rem; }

.pronunciation {
  font-size: var(--font-size-small);
  opacity: 0.9;
  font-style: italic;
  margin: 0;
}

.italian-word-small,
.flip-hint {
  font-size: var(--font-size-small);
  opacity: 0.8;
  margin: 0;
  font-style: italic;
}

.flip-hint { opacity: 0.7; }

.flashcard .audio-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  transition: all var(--transition-fast);
  min-height: 32px;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.flashcard .audio-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.flashcard .audio-btn .material-icons { font-size: 16px; }

.vocabulary-quiz-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.question-header {
  display: none;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.question-header h3 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-primary);
  font-family: var(--font-title);
}

.vocabulary-quiz-container h3 { display: none; }

.quiz-progress {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.question-content { text-align: center; }

.italian-word-display {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
}

.italian-word-display h2 {
  margin: 0 0 var(--spacing-sm) 0;
  font-family: var(--font-title);
  font-size: 2.5rem;
  color: white;
}

.italian-word-display .pronunciation {
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--font-size-large);
  opacity: 0.9;
}

.italian-word-display .audio-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
}

.vocabulary-quiz-container .quiz-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-md);
}

.vocabulary-quiz-container .quiz-option {
  width: 100%;
  justify-content: flex-start;
}

.quiz-results {
  text-align: center;
  padding: var(--spacing-xl);
}

.results-header h2 {
  margin: 0 0 var(--spacing-xl) 0;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: 2rem;
}

.score-display { margin-bottom: var(--spacing-sm); }

.score-circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg) auto;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.score-percentage {
  color: white;
  font-size: 2.5rem;
  font-weight: bold;
  font-family: var(--font-title);
}

.score-text {
  font-size: var(--font-size-large);
  color: var(--text-secondary);
  margin: 0;
}

.results-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.results-summary {
  text-align: center;
  padding: var(--spacing-lg);
}

.score-number {
  font-size: 3rem;
  line-height: 100%;
  font-weight: 700;
  display: block;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-title);
}

.score-fraction {
  font-size: var(--font-size-large);
  color: var(--text-secondary);
  display: block;
}

.score-message {
  font-size: var(--font-size-large);
  margin-bottom: 0;
  font-weight: 500;
}

.results-summary.excellent .score-number { color: var(--progress-excellent); }
.results-summary.good .score-number { color: var(--progress-good); }
.results-summary.needs-improvement .score-number { color: var(--progress-poor); }

/* =========================================================
   9. ÁUDIO PLAYER
========================================================= */
.audio-player {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 2px 6px var(--shadow-color);
  margin: 0 auto var(--spacing-lg) auto;
  color: var(--text-primary);
  max-width: 800px;
  text-align: center;
}

.audio-player[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
  filter: grayscale(40%);
}

.audio-player .audio-status {
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: nowrap;
}

.audio-btn {
  display: block;
  background-color: white;
  color: white;
  border: none;
  padding: var(--spacing-sm);
  border-radius: 50%;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: background-color .25s ease, transform .2s ease;
}

.audio-btn .material-icons { color: var(--accent-color); }

.audio-btn.is-hovered {
  background-color: #357abd;
  transform: scale(1.04);
}

.audio-btn.is-hovered .material-icons { color: #fff; }

.ap-btn {
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  border-radius: var(--border-radius);
  padding: 8px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
}

.ap-btn:hover:not(:disabled) {
  background: var(--hover-color);
  border-color: var(--primary-color);
}

.ap-btn:focus-visible,
.ap-progress-bar:focus-visible,
.ap-volume-range:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.ap-btn:disabled,
.ap-progress-bar:disabled,
.ap-volume-range:disabled,
.ap-speed-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ap-btn .material-icons { font-size: 20px; }

.ap-time {
  font-family: monospace;
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  min-width: 40px;
  text-align: center;
  font-weight: 500;
}

.ap-progress-container {
  flex: 1;
  margin: 0 var(--spacing-sm);
  height: auto;
  display: flex;
  align-items: center;
  min-width: 0;
  padding-inline: var(--spacing-sm);
  box-sizing: border-box;
}

.ap-progress-bar {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  display: block;
  margin: 0;
  padding: 0;
  vertical-align: middle;
}

.ap-progress-bar::-webkit-slider-thumb,
.ap-volume-range::-webkit-slider-thumb {
  appearance: none;
  border-radius: 50%;
  background: var(--primary-color);
  border: 2px solid var(--surface-color);
  box-shadow: 0 1px 3px var(--shadow-color);
  cursor: pointer;
}

.ap-progress-bar::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
}

.ap-progress-bar::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 2px solid var(--surface-color);
  box-shadow: 0 1px 3px var(--shadow-color);
  cursor: pointer;
}

.ap-speed-control {
  display: flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2px;
  background: var(--surface-color);
  height: 40px;
}

.ap-speed-btn {
  border: none;
  background: transparent;
  padding: 4px 6px;
  border-radius: 2px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
}

.ap-speed-btn:hover:not(:disabled) { background: var(--hover-color); }

.ap-speed-btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 1px;
}

.ap-speed-btn .material-icons { font-size: 16px; }

.ap-speed-display {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--text-primary);
  min-width: 36px;
  text-align: center;
  padding: 0 4px;
}

.ap-volume-control {
  position: relative;
  display: flex;
  align-items: center;
}

.ap-volume-btn { position: relative; }

.ap-volume-slider {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  box-shadow: 0 4px 12px var(--shadow-color);
  z-index: 1000;
  margin-bottom: 8px;
  min-width: 120px;
}

.ap-volume-range {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  appearance: none;
}

.ap-volume-range::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  border: 1px solid var(--surface-color);
  box-shadow: 0 1px 2px var(--shadow-color);
}

.ap-volume-range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 1px solid var(--surface-color);
  box-shadow: 0 1px 2px var(--shadow-color);
  cursor: pointer;
}

.ap-error-toast {
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--error-color, #e74c3c);
  color: white;
  padding: 6px 12px;
  border-radius: var(--border-radius);
  font-size: 12px;
  font-weight: 500;
  z-index: 1000;
  white-space: nowrap;
  animation: fadeInOut 3s ease-in-out;
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0; }
  10%, 90% { opacity: 1; }
}

/* =========================================================
   10. LOGIN, CONTA, DASHBOARD ALUNO E PROFESSOR
========================================================= */
.auth-container {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.auth-card {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 16px var(--shadow-color);
  overflow: hidden;
}

.auth-tabs { display: flex; background-color: var(--background-color); }

.auth-tab {
  flex: 1;
  padding: var(--spacing-md);
  background-color: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.auth-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background-color: var(--surface-color);
}

.auth-form { padding: var(--spacing-xl); }

.auth-form h2,
.auth-form p {
  text-align: center;
}

.auth-form h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.auth-form p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.form-group { margin-bottom: var(--spacing-lg); }

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input:not([type="checkbox"]):not([type="radio"]),
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group input.editable {
  border-color: var(--accent-color);
  background: var(--background-color);
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  cursor: pointer;
  font-weight: 400 !important;
}

.checkbox-label input[type="checkbox"] {
  width: var(--font-size-large);
  height: var(--font-size-large);
  margin-right: var(--spacing-sm);
  accent-color: var(--primary-color);
}

.form-links {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.form-links a {
  color: var(--accent-color);
  font-size: var(--font-size-small);
  text-decoration: none;
}

.form-links a:hover { text-decoration: underline; }

.loading-indicator {
  text-align: center;
  padding: var(--spacing-xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.auth-message {
  margin: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 500;
  text-align: center;
}

.auth-message.success {
  background-color: rgba(39, 174, 96, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

.auth-message.error {
  background-color: rgba(231, 76, 60, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.form-help {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}

.dashboard-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border-radius: var(--border-radius-lg);
  filter: saturate(120%) brightness(115%);
}

.welcome-section .teacher,
.user-welcome h2,
.user-welcome h1 {
  color: white;
}

.user-welcome h2,
.user-welcome h1 { margin-bottom: 0; }

.user-welcome p {
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.user-info code {
  background-color: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-family: monospace;
  font-size: var(--font-size-small);
}

.copy-btn {
  background-color: var(--secondary-color);
  color: white;
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-small);
  transition: background-color var(--transition-fast);
}

.copy-btn:hover { background-color: #e55a2b; }

.overall-stats,
.overview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  padding: var(--spacing-md);
  text-align: center;
  margin-bottom: var(--spacing-md);
  min-width: 0;
}

.stat-number {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  line-height: 100%;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-title);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  font-weight: 500;
}

.level-progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.level-progress-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 4px 8px var(--shadow-color);
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.level-progress-card .level-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.level-progress-card .level-header .level-badge { margin-bottom: 0; }

.level-info h4 {
  margin: 0 0 var(--spacing-xs) 0;
  width: auto;
  padding: 0;
}

.level-progress-text {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-bottom: 0;
}

.level-progress-bar { margin: var(--spacing-md) 0; }

.exercise-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.exercise-type-progress {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.progress-fraction {
  font-weight: 500;
  color: var(--text-primary);
}

.activity-list,
.achievement-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.activity-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-50);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.activity-icon {
  font-size: var(--font-size-large);
  margin-right: var(--spacing-md);
}

.activity-details { flex: 1; }

.activity-details h4 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.activity-details p {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-bottom: 0;
}

.activity-score {
  font-family: 'Baloo Bhai 2', cursive;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-color, #36929B);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
}

.activity-score.excellent { color: var(--progress-excellent); }
.activity-score.good { color: var(--progress-good); }
.activity-score.needs-improvement { color: var(--progress-poor); }

.achievement-grid,
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.achievement-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: 0 4px 8px var(--shadow-color);
  transition: all var(--transition-normal);
  min-width: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.achievement-card.unlocked {
  border-color: var(--success-color);
  background: linear-gradient(135deg, rgba(39, 174, 96, 0.05), rgba(39, 174, 96, 0.1));
}

.achievement-card.locked { opacity: 0.6; }

.achievement-icon {
  font-size: var(--font-size-small);
  line-height: 0.5;
  margin-bottom: var(--spacing-md);
  width: 65px !important;
  height: 65px !important;
  border-radius: 100%;
  padding: 40px 0;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.achievement-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-md);
}

.achievement-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.achievement-progress-bar {
  flex: 1;
  height: 6px;
  background-color: var(--progress-not-started);
  border-radius: 3px;
  overflow: hidden;
}

.achievement-progress-fill {
  height: 100%;
  background: var(--progress-fill);
  transition: width var(--transition-slow);
}

.action-grid,
.stats-grid,
.students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.students-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: var(--text-primary);
  box-shadow: 0 2px 4px var(--shadow-color);
  min-width: 0;
}

.action-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px var(--shadow-color);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.action-icon {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.student-lookup {
  margin-bottom: var(--spacing-xl);
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.lookup-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--spacing-md);
  align-items: end;
}

.lookup-results {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.student-results,
.students-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.student-header h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.student-header p,
.student-basic-info p,
.student-email,
.last-activity {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-xs);
}

.student-stats,
.student-actions,
.student-quick-stats {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.stat-item,
.quick-stat { text-align: center; }

.stat-value {
  display: block;
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--primary-color);
  font-family: var(--font-title);
}

.student-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.student-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px var(--shadow-color);
  transform: translateY(-2px);
}

.student-basic-info h4 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: white;
}

.stat-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  font-family: var(--font-title);
  color: var(--text-primary);
}

.student-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.student-name {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.student-progress { margin-bottom: var(--spacing-md); }

.account-container {
  max-width: 800px;
  margin: 0 auto;
}

.account-section {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.account-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.token-display { display: flex; gap: var(--spacing-sm); }
.token-display input { flex: 1; }
.achievement-content { flex: 1; }

.achievement-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.achievement-description {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
}

.achievement-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  color: var(--success-color);
}

.quiz-completion-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.quiz-completion-modal .modal-content {
  background: var(--surface-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 400px;
  width: 90%;
  text-align: center;
}

.completion-header { margin-bottom: var(--spacing-lg); }

.completion-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.completion-stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--background-color);
  border-radius: var(--border-radius);
}

.danger-zone { border-color: var(--error-color); }
.danger-zone .section-header h2 { color: var(--error-color); }
.danger-actions { text-align: center; }

.danger-text {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-md);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-lg);
  color: var(--text-light);
}

.empty-state h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.empty-state p {
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Professor */
.teacher-dashboard { --gap: 1.2rem; }

.teacher-dashboard main,
.teacher-dashboard .main-content {
  display: block;
  width: 100%;
  margin: 0 auto;
}

.teacher-dashboard .td-header {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.teacher-dashboard .td-title h1 { margin: 0 0 4px 0; }
.teacher-dashboard .td-sub { color: var(--text-secondary); margin: 0; }

.teacher-dashboard .td-kpis {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 1.5rem;
  margin-top: 1rem;
}

.teacher-dashboard .td-kpi {
  text-align: center;
  flex: 1 1 180px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-color);
}

.teacher-dashboard .td-kpi-ic {
  grid-row: 1 / span 2;
  font-size: 22px;
  color: var(--primary-color);
}

.teacher-dashboard .td-kpi-val {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
}

.teacher-dashboard .td-kpi-lab {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.teacher-dashboard .td-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  justify-content: space-between;
  margin: 1.5rem 0;
}

.teacher-dashboard .td-search {
  flex: 1;
  max-width: 260px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.4rem 0.7rem;
}

.teacher-dashboard .td-search input {
  border: none;
  outline: none;
  flex: 1;
  padding-left: 0.4rem;
  background: transparent;
  width: 100%;
  font-size: 1rem;
  color: var(--text-primary);
}

.teacher-dashboard .td-search .material-icons { color: var(--text-secondary); }

.teacher-dashboard .td-filters,
.teacher-dashboard .td-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.teacher-dashboard .td-actions { justify-content: flex-end; }

.teacher-dashboard .td-filters select {
  background: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 8px 12px;
  min-width: 150px;
  font: inherit;
}

.teacher-dashboard .td-filters select,
.teacher-dashboard .td-actions button { cursor: pointer; }

.teacher-dashboard .td-list,
.teacher-dashboard .td-loadmore {
  margin-bottom: var(--spacing-xl);
}

.teacher-dashboard .students-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  overflow: visible !important;
  white-space: normal !important;
  padding: 0;
  margin-bottom: 2rem;
}

.teacher-dashboard .td-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem 1rem;
  background: var(--surface-color);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.teacher-dashboard .student-card {
  width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: var(--spacing-md);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 6px var(--shadow-color);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.teacher-dashboard .student-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-color);
  border-color: var(--primary-color);
}

.teacher-dashboard .student-card .btn {
  position: static !important;
  transform: none !important;
}

.teacher-dashboard .student-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-title);
  letter-spacing: .5px;
}

.teacher-dashboard .student-main { min-width: 0; }

.teacher-dashboard .student-name {
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.teacher-dashboard .student-email {
  font-size: .9rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-dashboard .student-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
  font-size: .9rem;
  color: var(--text-secondary);
}

.teacher-dashboard .student-meta .chip {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 4px 8px;
}

.teacher-dashboard .student-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.teacher-dashboard .student-actions .btn { min-width: 160px; }
.teacher-dashboard .student-quick-stats { justify-self: end; }
.teacher-dashboard .student-card.status-high { border-left-color: var(--progress-excellent); }
.teacher-dashboard .student-card.status-mid { border-left-color: var(--progress-good); }
.teacher-dashboard .student-card.status-low { border-left-color: var(--progress-poor); }
.teacher-dashboard .td-loadmore { display: flex; justify-content: center; margin-top: 1rem; }
.teacher-dashboard .td-analytics { margin-top: 2rem; }
.teacher-dashboard .td-analytics .analytics-grid { gap: var(--spacing-lg); }

.teacher-dashboard .analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.teacher-dashboard .analytics-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.2rem;
  box-shadow: 0 2px 4px var(--shadow-color);
}

.teacher-dashboard .analytics-card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.teacher-dashboard .level-analytics .level-stat { margin-bottom: 0.8rem; }

.teacher-dashboard .progress-bar {
  width: 100%;
  height: 10px;
  background: var(--border-color);
  border-radius: 5px;
  overflow: hidden;
}

.teacher-dashboard .progress-fill {
  height: 100%;
  background: var(--primary-color);
  width: 0%;
  transition: width 0.6s ease;
}

.teacher-dashboard .exercise-analytics .exercise-stat {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.teacher-dashboard .student-progress { margin-top: 6px; }
.teacher-dashboard .student-progress .progress-bar {
  height: 6px;
  background: #EEF2F7;
  border-radius: 999px;
  overflow: hidden;
}
.teacher-dashboard .student-progress .progress-fill {
  height: 100%;
  background: var(--primary-color, #36929b);
  transition: width .35s ease;
}

.teacher-dashboard .student-card:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.teacher-dashboard .modal-overlay,
#studentModal.modal-overlay,
#addStudentModal.modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--overlay-bg);
  backdrop-filter: blur(2px);
  z-index: 999;
}

.teacher-dashboard .modal-content {
  background: var(--modal-surface);
  color: var(--modal-text);
  border: 1px solid var(--modal-border);
  box-shadow: var(--modal-shadow);
  border-radius: 14px;
}

.teacher-dashboard .modal-content.modal-large { max-width: 960px; }

.teacher-dashboard .modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--modal-border);
}

.teacher-dashboard .modal-body { padding: 14px 16px; }

.teacher-dashboard .modal-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 12px 16px;
  border-top: 1px solid var(--modal-border);
}

.teacher-dashboard .modal-close {
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--modal-muted);
}

.teacher-dashboard .modal-close:hover { color: var(--modal-text); }

.teacher-dashboard .modal-header .material-icons,
#studentModal .material-icons { color: currentColor; }

.teacher-dashboard .modal-content input[type="email"],
.teacher-dashboard .modal-content input[type="text"],
.teacher-dashboard .modal-content input[type="search"],
.teacher-dashboard .modal-content select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  outline: none;
}

.teacher-dashboard .modal-content input::placeholder,
.teacher-dashboard .form-help { color: var(--modal-muted); }
.teacher-dashboard #addStudentFeedback.success { color: #1e7e34; }
.teacher-dashboard #addStudentFeedback.error { color: #c0392b; }

#studentModal .progress-bar {
  width: 100%;
  height: 8px;
  background: #EEF2F7;
  background: color-mix(in srgb, var(--modal-text) 12%, transparent);
  border-radius: 999px;
  overflow: hidden;
}

#studentModal .progress-fill {
  height: 100%;
  background: var(--primary-color);
  transition: width .35s ease;
}

#studentModal .kpi,
#studentModal .lvl {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
}

#studentModal .muted { color: var(--modal-muted); }
#studentModal .badge { background: color-mix(in srgb, var(--primary-color) 12%, transparent); color: var(--primary-color); }
#studentModal .stm-list .item { color: var(--modal-text); }
#studentModal .stm-list .item:hover { background: color-mix(in srgb, var(--primary-color) 8%, transparent); }

#studentModal .stm-avatar {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background: var(--avatar-bg);
  color: var(--avatar-text);
  border: 1px solid var(--avatar-border);
}

/* =========================================================
   11. SOBRE, FEATURE LOCK, STREAK E SKELETON
========================================================= */
.about-hero {
  text-align: center;
  padding: var(--spacing-xxl) 0;
  margin-bottom: var(--spacing-xl);
}

.about-section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl);
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.approach-grid,
.features-grid,
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.approach-item,
.level-detail,
.exercise-type,
.teacher-feature,
.tech-feature {
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.exercise-type,
.teacher-feature,
.tech-feature { border-left: 4px solid var(--primary-color); }

.approach-icon,
.feature-icon {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--spacing-md);
}

.exercises-explanation,
.teacher-features,
.tech-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.exercise-type h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.levels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.level-detail ul {
  margin-top: var(--spacing-md);
  margin-left: var(--spacing-lg);
}

.level-detail li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

.features-section,
.teacher-tips { margin-bottom: var(--spacing-xl); }

.feature-item,
.tip-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.tech-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.tech-icon { font-size: var(--font-size-large); }

.about-cta {
  text-align: center;
  padding: var(--spacing-xxl);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border-radius: var(--border-radius-lg);
  filter: saturate(120%) brightness(115%);
}

.about-cta h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.about-cta p {
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.exercise-icon .material-icons { font-size: 2rem; color: var(--primary-color); }

.feature-icon .material-icons,
.approach-icon .material-icons,
.tech-icon .material-icons,
.action-icon .material-icons,
.stat-icon .material-icons {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.skeleton-card {
  display: grid;
  grid-template-columns: 56px 1fr 120px;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border-radius: 12px;
  background: var(--card-bg, #fff);
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: 12px;
}

.skel-box {
  position: relative;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  min-height: 18px;
}

.skel-num { width: 56px; height: 56px; border-radius: 50%; }
.skel-title { height: 22px; margin-bottom: 10px; }
.skel-desc { height: 16px; width: 80%; }
.skel-stat { height: 20px; width: 90px; border-radius: 8px; }

.skel-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  animation: skel-shine 1.2s infinite;
}

@keyframes skel-shine {
  100% { transform: translateX(100%); }
}

.feature-lock {
  position: relative;
  border-radius: 18px;
  padding: 18px 18px 16px 18px;
  margin-top: 12px;
  background: linear-gradient(180deg, var(--fl-premium-bg-top), var(--fl-premium-bg-bottom));
  border: 1px solid var(--fl-premium-border);
  box-shadow: var(--fl-premium-shadow-main), var(--fl-premium-shadow-inset);
  display: grid;
  gap: 14px;
}

.feature-lock__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: var(--font-size-tiny);
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--fl-premium-grad-badge);
  color: var(--fl-premium-text-main);
  pointer-events: none;
}

.feature-lock__row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-lock__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--fl-premium-grad-main);
  color: var(--fl-premium-text-main);
  box-shadow: var(--fl-premium-shadow-icon);
}

.feature-lock__icon .material-icons { font-size: 22px; }

.feature-lock__title {
  margin: 0;
  font-weight: 800;
  font-size: 16px;
  line-height: 1.2;
  color: var(--fl-premium-text-main);
}

.feature-lock__text {
  margin: 6px 0 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--fl-premium-text-secondary);
}

.feature-lock__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.feature-lock__btn {
  background: transparent;
  border: 1px dashed var(--fl-premium-border-dashed);
  color: var(--fl-premium-text-accent);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
}

.feature-lock__btn.primary {
  background: var(--fl-premium-grad-main);
  color: var(--fl-premium-text-main);
  font-weight: 800;
  padding: 10px 16px;
  border: none;
  box-shadow: var(--fl-premium-shadow-btn);
}

.feature-lock__btn.primary:hover { transform: translateY(-1px); }

.feature-lock.is-mini { padding: 14px; }
.feature-lock.is-mini .feature-lock__icon { width: 36px; height: 36px; border-radius: 12px; }
.feature-lock.is-mini .feature-lock__title { font-size: 14px; }
.feature-lock.is-mini .feature-lock__text { font-size: 12px; }

.feature-lock.feature-lock--paid {
  --fl-premium-bg-top: color-mix(in oklab, #e6f6f5 92%, #ffffff);
  --fl-premium-bg-bottom: color-mix(in oklab, #e6f4f6 88%, #ffffff);
  --fl-premium-border: color-mix(in oklab, #36929b 35%, #d1d5db);
  --fl-premium-border-dashed: color-mix(in oklab, #36929b 55%, #d1d5db);
  --fl-premium-grad-main: linear-gradient(135deg, #36929b, #33b0bd);
  --fl-premium-grad-badge: linear-gradient(135deg, #24b0bd, #36929b);
  --fl-premium-text-main: #0b3f44;
  --fl-premium-text-secondary: #3b6f73;
  --fl-premium-text-accent: #2f7f86;
  --fl-premium-shadow-main: 0 12px 28px rgba(54, 146, 155, 0.18);
  --fl-premium-shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  --fl-premium-shadow-icon: 0 6px 14px rgba(54, 146, 155, 0.35);
  --fl-premium-shadow-btn: 0 8px 20px rgba(54, 146, 155, 0.45);
}

.streak-reminder-section {
  margin: 0 0 var(--spacing-lg) 0;
  display: flex;
  justify-content: center;
}

#streakReminderBar { z-index: 1000; }

#streakReminderBar.streak-reminder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  text-align: center;
  background: rgba(255,165,0,.12);
  border: 1px solid rgba(255,165,0,.35);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 420ms ease, transform 420ms ease;
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 600;
}

#streakReminderBar.streak-reminder.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#streakReminderBar span {
  white-space: normal;
  text-align: center;
}

#streakReminderBar .material-icons {
  font-size: 22px;
  flex-shrink: 0;
}

#streakUpdatedPopup.vm-streak-popup {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--vm-overlay-top, 0px);
  bottom: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  overflow: auto;
  background: var(--bg-color-blur);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  z-index: 900;
}

#streakUpdatedPopup.vm-streak-popup.is-open { display: flex; }

#streakUpdatedPopup .vm-streak-popup__card {
  position: relative;
  width: min(560px, 92vw);
  max-height: calc(100vh - var(--vm-overlay-top, 0px) - (var(--spacing-lg) * 2));
  overflow: hidden;
  background: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 12px 34px var(--shadow-color);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

#streakUpdatedPopup .vm-streak-popup__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--primary-color) 14%, var(--surface-color));
  border: 1px solid color-mix(in srgb, var(--primary-color) 22%, transparent);
  color: var(--primary-color);
}

#streakUpdatedPopup .vm-streak-popup__content { min-width: 0; }

#streakUpdatedPopup .vm-streak-popup__title {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.2;
  color: var(--text-primary);
}

#streakUpdatedPopup .vm-streak-popup__text {
  margin: 0 0 6px;
  font-size: .98rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

#streakUpdatedPopup .vm-streak-popup__sub {
  margin: 0;
  font-size: .95rem;
  color: var(--text-secondary);
}

#streakUpdatedPopup .vm-streak-popup__record {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: .8rem;
  color: var(--success-color);
  background: color-mix(in srgb, var(--success-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--success-color) 25%, transparent);
}

#streakUpdatedPopup .vm-streak-popup__actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

#streakUpdatedPopup .vm-streak-popup__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

#streakUpdatedPopup .vm-streak-popup__close:hover {
  background: color-mix(in srgb, var(--primary-color) 8%, transparent);
  color: var(--text-primary);
}

#streakUpdatedPopup .vm-streak-popup__close:active { transform: scale(0.98); }

/* =========================================================
   12. ANIMAÇÕES E ACESSIBILIDADE
========================================================= */
@media (prefers-reduced-motion: no-preference) {
  .fade-seq {
    opacity: 0;
    transform: translateY(8px);
    will-change: opacity, transform;
  }

  .fade-seq.is-in {
    animation: fadeInUp 0.3s ease-out forwards;
    animation-delay: var(--fade-delay, 0ms);
  }

  @keyframes fadeInUp {
    to { opacity: 1; transform: none; }
  }
}

.btn:focus,
.option-label:focus-within,
.form-group input:focus,
.form-group select:focus,
.answer-input:focus,
.hamburger:focus,
.language-toggle:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* =========================================================
   13. MEDIA QUERIES — RESPONSIVO
========================================================= */
@media (min-width: 576px) {
  .level-grid,
  .exercise-grid { grid-template-columns: repeat(2, 1fr); }

  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .lookup-form { grid-template-columns: 1fr 1fr auto; }
  .exercise-breakdown { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  :root {
    --font-size-base: 17px;
    --spacing-md: 20px;
    --spacing-lg: 28px;
    --spacing-xl: 36px;
    --spacing-xxl: 56px;
  }

  .main-content { padding: var(--spacing-xl) var(--spacing-lg); }
  .level-grid { grid-template-columns: repeat(3, 1fr); }
  .exercise-grid { grid-template-columns: repeat(2, 1fr); }
  .progress-details { grid-template-columns: repeat(4, 1fr); }
  .level-progress-grid { grid-template-columns: repeat(2, 1fr); }
  .exercise-breakdown { grid-template-columns: repeat(4, 1fr); }
  .levels-grid { grid-template-columns: repeat(2, 1fr); }
  .achievement-grid { grid-template-columns: repeat(2, 1fr); }

  .student-results {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .exercises-explanation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .nav-menu { padding-top: calc(var(--header-height) + 32px) !important; }
  .language-dropdown { padding-top: 56px !important; }
  .nav-menu__inner { max-width: 620px; }
  .nav-row,
  .language-option { min-height: 82px; }

  #completionModal {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #completionModal .modal-content {
    margin: auto !important;
    width: auto;
    max-width: 520px;
    padding: var(--spacing-lg);
  }
}

@media (min-width: 992px) {
  .exercise-grid { grid-template-columns: repeat(4, 1fr); }
  .level-progress-grid { grid-template-columns: repeat(3, 1fr); }
  .levels-grid { grid-template-columns: repeat(3, 1fr); }
  .achievement-grid { grid-template-columns: repeat(3, 1fr); }
  .approach-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1200px) {
  :root {
    --font-size-base: 18px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 40px;
    --spacing-xxl: 64px;
  }

  .main-content { padding: var(--spacing-xxl) var(--spacing-xl); }
  .achievement-grid { grid-template-columns: repeat(4, 1fr); }
  .single-flashcard { width: 400px; height: 280px; }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .btn {
    min-height: 44px;
    padding: 10px 16px;
    line-height: 1.2;
  }

  .option-label { min-height: 48px; }
  .flashcard { min-height: 240px; }
  .question-item { padding: var(--spacing-xl); }
  .modal-content { margin: 8% auto; width: 85%; }

  .level-progress-card .btn-primary {
    padding: 10px 18px;
    min-height: 42px;
    font-size: 1rem;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  .flashcards-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .account-form .form-row,
  .stats-grid,
  .students-grid,
  .achievements-grid { grid-template-columns: 1fr; }

  .account-form .form-row { gap: var(--spacing-md); }
  .completion-stats { flex-direction: column; gap: var(--spacing-md); }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .modal-footer { flex-direction: column-reverse; }
  .modal-footer .btn,
  .student-actions .btn { width: 100%; }
  .student-actions { flex-direction: column; }

  .text-content {
    max-width: 640px;
    margin: 0 auto;
  }

  .text-content p {
    text-align: justify;
    text-align-last: left;
    hyphens: auto;
    -webkit-hyphens: auto;
    overflow-wrap: break-word;
    word-break: normal;
    line-height: 1.6;
  }

  .level-card,
  .exercise-card { padding: var(--spacing-md); }
}

@media (max-width: 767.98px) {
  body .overall-stats,
  body .overview-stats {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: var(--spacing-md) !important;
    grid-auto-rows: auto;
  }

  body .overall-stats > *,
  body .overview-stats > * {
    min-width: 0 !important;
    width: 100% !important;
    box-sizing: border-box;
  }

  body .stat-card { text-align: center; }
  .stat-label { font-size: var(--font-size-base); }
}

@media (max-width: 767px) {
  #completionModal .modal-content {
    width: calc(100% - var(--spacing-md) * 2);
    margin: var(--spacing-xl) var(--spacing-md);
  }
}

@media (max-width: 680px) {
  .exercise-navigation { flex-wrap: wrap; }
  .exercise-navigation .btn {
    flex: 0 0 auto;
    font-size: 0.9rem;
    padding: 12px;
  }
}

@media (max-width: 640px) {
  .feature-lock__badge { display: none; }
  .feature-lock { position: relative; }
  .feature-lock__row {
    position: relative;
    display: block;
    padding-right: 64px;
  }
  .feature-lock__icon {
    position: absolute;
    top: 0;
    right: 0;
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }
  .feature-lock__title { margin: 0; padding-right: 0; }
  .feature-lock__text { margin: 8px 0 0 0; padding-right: 0; }
}

@media (max-width: 600px) {
  .nuovo-badge-floating {
    top: 12px;
    left: 10px;
    min-width: 68px;
    height: 28px;
    padding: 0 12px;
    font-size: 0.82rem;
    transform: rotate(-13deg);
  }

  .vocabulary-quiz-container {
    max-width: none;
    width: 100%;
    padding: 0 !important;
  }

  .quiz-content,
  .single-flashcard-container {
    padding: 0 !important;
    margin: 0 auto;
    width: 100%;
  }

  .quiz-question {
    width: 100%;
    margin: 0;
    padding: 0 0 var(--spacing-md) 0;
    background: none !important;
    border: none !important;
    border-radius: 0 !important;
  }

  .quiz-question + .quiz-question { margin-top: 0; }

  .vocabulary-quiz-container .quiz-options {
    grid-template-columns: 1fr !important;
    width: 100%;
    gap: var(--spacing-sm);
  }

  .vocabulary-quiz-container .quiz-option {
    width: 100%;
    justify-content: flex-start;
  }

  .level-progress-card { display: block; }

  .level-progress-card .level-header,
  .level-progress-card .level-progress-text,
  .level-progress-card .level-progress-bar,
  .level-progress-card .exercise-breakdown {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
    text-align: left;
  }

  .level-progress-card .progress-bar {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .level-progress-card .exercise-breakdown { justify-items: stretch; }
  .level-progress-card .exercise-type-progress { justify-content: space-between; }

  .level-progress-card .btn-primary {
    display: block;
    margin: var(--spacing-md) auto 0;
    width: auto;
  }

  .audio-controls {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    grid-template-rows: auto auto;
    grid-template-areas:
      "play rewind . speed"
      "ctime progress progress progress";
    gap: 8px;
    align-items: center;
  }

  #playPauseBtn { grid-area: play; }
  #rewindBtn { grid-area: rewind; }
  #speedControl { grid-area: speed; }
  #currentTime {
    grid-area: ctime;
    text-align: left;
    min-width: 48px;
    font-size: 14px;
  }

  .ap-progress-container {
    grid-area: progress;
    width: 100%;
    display: flex;
    align-items: center;
    min-width: 0;
    padding-inline: 10px;
  }

  #totalTime,
  #volumeControl { display: none; }

  .audio-player { padding: var(--spacing-md); }

  .ap-btn {
    min-width: 36px;
    height: 36px;
    padding: 6px;
  }

  .ap-speed-control {
    height: 36px;
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .ap-speed-display {
    min-width: 32px;
    font-size: 12px;
  }

  .ap-progress-bar {
    -webkit-appearance: none;
    appearance: none;
    display: block;
    width: 100%;
    height: 6px;
    margin: 0;
    padding: 0;
    vertical-align: middle;
    cursor: pointer;
  }

  .ap-progress-bar::-webkit-slider-thumb,
  .ap-progress-bar::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid var(--surface-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    cursor: pointer;
  }

  .ap-current { margin-left: 5px; }
}

@media (max-width: 480px) {
  .flashcards-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .flashcard { height: 180px; }
  .flashcard-front,
  .flashcard-back { padding: var(--spacing-md); }

  .italian-word,
  .translation { font-size: var(--font-size-large); }

  .instructions-content { gap: var(--spacing-xs); }
  .instructions-content p { font-size: var(--font-size-small); }

  .single-flashcard {
    width: 300px;
    height: 200px;
  }

  .single-flashcard .italian-word { font-size: 2rem; }
  .single-flashcard .translation { font-size: 1.8rem; }
  .flashcard-navigation { gap: var(--spacing-md); }
  .nav-btn { width: 45px; height: 45px; }

  .quiz-toggle-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
  }

  .italian-word-display h2 { font-size: 2rem; }
  .popup-content { width: 95%; }
  .progress-detail { font-size: 1rem; }
  .progress-detail span:last-child { font-size: 1.05rem; }

  .questions-section { padding: var(--spacing-md); }

  .reading-exercise,
  .grammar-exercise { padding: var(--spacing-md) 0; }

  .text-section { padding: var(--spacing-mmd); }

  .question-item {
    background: var(--surface-color);
    padding: var(--spacing-mmd);
    border: 0 solid var(--border-color);
  }

  h3 { font-size: var(--font-size-xl); }
  h4 { font-size: var(--font-size-large); }
  p { font-size: var(--font-size-base); }
  .question-text { font-size: var(--font-size-base); }

  .btn {
    padding: 10px 14px;
    min-height: 42px;
  }
}

@media (max-width: 420px) {
  .nav-menu,
  .language-dropdown {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }

  .nav-menu__inner { gap: 24px; }

  .nav-menu__section-title {
    margin-top: 20px;
    margin-left: 18px;
    font-size: 0.72rem;
  }

  .nav-card,
  .language-option:first-of-type {
    border-top-left-radius: 22px !important;
    border-top-right-radius: 22px !important;
  }

  .nav-card,
  .language-option:last-of-type {
    border-bottom-left-radius: 22px !important;
    border-bottom-right-radius: 22px !important;
  }

  .nav-row,
  .language-option {
    min-height: 70px;
    gap: 14px;
    padding: 11px 18px 11px 14px !important;
  }

  .nav-row__icon {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
    border-radius: 16px;
  }

  .nav-row__icon .material-symbols-rounded { font-size: 28px; }
  .nav-row__chevron { font-size: 29px !important; }

  .language-option img {
    width: 29px !important;
    height: 29px !important;
    flex-basis: 29px;
  }

  .teacher-dashboard .student-actions .btn {
    min-width: 0;
    width: 100%;
  }

  #streakUpdatedPopup.vm-streak-popup { padding: var(--spacing-md); }

  #streakUpdatedPopup .vm-streak-popup__card {
    grid-template-columns: 40px 1fr;
    padding: var(--spacing-md);
    gap: 12px;
  }

  #streakUpdatedPopup .vm-streak-popup__icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }
}

@media (max-width: 900px) {
  .teacher-dashboard .students-grid { grid-template-columns: 1fr !important; }
}

@media (display-mode: browser) and (max-width: 767px) {
  .nav-menu {
    padding:
      calc(var(--header-height) + 10px)
      max(14px, env(safe-area-inset-right))
      calc(10px + env(safe-area-inset-bottom))
      max(14px, env(safe-area-inset-left)) !important;
  }

  .nav-menu__inner {
    min-height: calc(100dvh - var(--header-height) - 20px - env(safe-area-inset-bottom)) !important;
    max-width: 560px !important;
    gap: clamp(12px, 1.8dvh, 20px) !important;
    padding-bottom: calc(8px + env(safe-area-inset-bottom)) !important;
  }

  .nav-menu__section-title {
    margin: 0 0 8px 22px !important;
    font-size: clamp(0.66rem, 1.55dvh, 0.74rem) !important;
    letter-spacing: 0.16em !important;
  }

  .nav-row {
    min-height: clamp(58px, 8.8dvh, 72px) !important;
    padding: 10px 18px 10px 14px !important;
    gap: clamp(11px, 2dvh, 14px) !important;
    font-size: clamp(1rem, 2.55dvh, 1.18rem) !important;
  }

  .nav-row__icon {
    width: clamp(42px, 6.4dvh, 50px) !important;
    height: clamp(42px, 6.4dvh, 50px) !important;
    flex-basis: clamp(42px, 6.4dvh, 50px) !important;
    border-radius: 15px !important;
  }

  .nav-row__icon .material-symbols-rounded {
    font-size: clamp(23px, 4dvh, 29px) !important;
  }

  .nav-row__chevron {
    font-size: clamp(25px, 4.2dvh, 30px) !important;
  }

  .nav-card {
    border-radius: clamp(20px, 3.3dvh, 24px) !important;
  }

  .nav-menu__footer {
    margin-top: auto !important;
    padding-top: 6px !important;
    gap: 3px !important;
  }

  .nav-menu__footer-icon { height: clamp(18px, 3dvh, 24px) !important; }
  .nav-menu__footer-icon .material-symbols-rounded { font-size: clamp(22px, 3.8dvh, 27px) !important; }

  .nav-menu__tagline {
    font-size: clamp(0.82rem, 2dvh, 0.96rem) !important;
    line-height: 1.12 !important;
  }
}

@media (display-mode: browser) and (max-width: 767px) and (max-height: 740px) {
  .nav-menu__inner { gap: 10px !important; }
  .nav-row { min-height: 52px !important; font-size: 0.96rem !important; }
  .nav-row__icon { width: 38px !important; height: 38px !important; flex-basis: 38px !important; }
  .nav-row__icon .material-symbols-rounded { font-size: 23px !important; }
  .nav-menu__section-title { margin-bottom: 5px !important; }
  .nav-menu__footer { padding-top: 3px !important; }
}

@media (display-mode: browser) and (max-width: 767px) and (max-height: 720px) {
  .nav-menu { padding-top: calc(var(--header-height) + 8px) !important; }
  .nav-menu__inner { gap: 10px !important; }
  .nav-row { min-height: 54px !important; font-size: 0.98rem !important; }
  .nav-row__icon { width: 39px !important; height: 39px !important; flex-basis: 39px !important; }
  .nav-menu__footer-icon { display: none !important; }
}

@media (display-mode: standalone) {
  .nav-menu {
    height: 100dvh !important;
    max-height: 100dvh !important;
    min-height: 100dvh !important;
  }
}

@media screen and (orientation: landscape) and (max-width: 430px) {
  body::before {
    content: "Per favore, ruota il dispositivo in verticale.\A Questo sito funziona solo in modalità verticale.";
    white-space: pre-line;
    position: fixed;
    inset: 0;
    z-index: 2147483647;
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(24px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));
    font-family: inherit;
    font-weight: 600;
    line-height: 1.35;
    font-size: clamp(16px, 2.4vw, 20px);
    pointer-events: all;
  }

  html,
  body { overflow: hidden; }

  main,
  .page-root,
  #app,
  .content { filter: blur(2px); }
}

@media (hover: hover) and (pointer: fine) {
  .nav-row:hover {
    background: var(--vm-menu-row-hover);
    color: var(--vm-menu-text) !important;
  }

  .nav-row:hover .nav-row__chevron {
    transform: translateX(3px);
    color: var(--vm-menu-chevron-hover) !important;
  }

  .language-option:hover {
    background: var(--vm-menu-row-hover), var(--vm-menu-card-bg) !important;
    color: var(--vm-menu-text) !important;
  }

  .language-option:hover::after {
    color: var(--vm-menu-chevron-hover);
    transform: translateX(3px);
  }

  .audio-btn:hover { background-color: #357abd; }
  .audio-btn:hover .material-icons { color: #fff; }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
    --shadow-color: rgba(0, 0, 0, 0.5);
  }

  .btn-secondary { border-width: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .footer .progress-bar,
  .footer .progress-percent,
  .footer .progress-fill { transition: none; }

  .icon-btn .mi,
  .nav-menu,
  .language-dropdown,
  .nav-row,
  .nav-row__chevron,
  .language-option,
  .language-option::after {
    transition: none !important;
    transform: none !important;
  }
}

/* =========================================================
   14. DARK MODE
========================================================= */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #42B0BB;
    --secondary-color: #5C6BAF;
    --accent-color: #5C6BAF;
    --background-color: #1a1a1a;
    --surface-color: #1f1f1f;
    --surface-color-transparent: rgba(255,255,255,0.08);
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-light: #666666;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --icon-color: #e8e8e8;
    --icon-secondary: #b8b8b8;
    --icon-muted: #888888;
    --bg-color-blur: rgba(40, 40, 40, 0.8);

    --bg-atmos-1: radial-gradient(900px 600px at 15% 25%, rgba(92,107,175,0.30), transparent 60%);
    --bg-atmos-2: radial-gradient(900px 600px at 80% 20%, rgba(54,146,155,0.28), transparent 55%);
    --bg-atmos-3: radial-gradient(900px 700px at 70% 75%, rgba(54,146,155,0.22), transparent 60%);
    --bg-atmos-base: linear-gradient(180deg, rgba(10,12,18,1), rgba(8,10,14,1));

    --vm-menu-glass-bg: rgba(8, 11, 19, 0.70);
    --vm-menu-atmosphere:
      radial-gradient(800px 520px at 22% 0%, rgba(92, 107, 175, 0.28), transparent 58%),
      radial-gradient(700px 520px at 85% 22%, rgba(54, 146, 155, 0.20), transparent 54%),
      linear-gradient(180deg, rgba(8, 11, 19, 0.32), rgba(8, 11, 19, 0.48));
    --vm-menu-header-bg: rgba(8, 11, 19, 0.86);
    --vm-menu-header-border: rgba(255, 255, 255, 0.07);
    --vm-menu-header-icon: rgba(255, 255, 255, 0.94);
    --vm-menu-card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.060), rgba(255, 255, 255, 0.030)), rgba(18, 23, 35, 0.84);
    --vm-menu-card-border: rgba(255, 255, 255, 0.08);
    --vm-menu-card-shadow: 0 24px 60px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.055);
    --vm-menu-text: rgba(255, 255, 255, 0.92);
    --vm-menu-muted: rgba(255, 255, 255, 0.52);
    --vm-menu-section-title: rgba(255, 255, 255, 0.52);
    --vm-menu-footer-text: rgba(255, 255, 255, 0.42);
    --vm-menu-row-border: rgba(255, 255, 255, 0.075);
    --vm-menu-row-hover: rgba(255, 255, 255, 0.045);
    --vm-menu-row-active: linear-gradient(100deg, rgba(54, 146, 155, 0.34), rgba(92, 107, 175, 0.44)), rgba(255, 255, 255, 0.035);
    --vm-menu-icon-bg: rgba(255, 255, 255, 0.035);
    --vm-menu-icon-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045), 0 8px 20px rgba(0, 0, 0, 0.16);
    --vm-menu-chevron: rgba(255, 255, 255, 0.42);
    --vm-menu-chevron-hover: rgba(255, 255, 255, 0.70);
    --vm-menu-danger: #fb7185;
    --vm-menu-danger-bg: linear-gradient(90deg, rgba(248, 113, 113, 0.13), rgba(255, 255, 255, 0.025)), rgba(18, 23, 35, 0.84);
    --vm-lang-row-active: linear-gradient(100deg, rgba(54, 146, 155, 0.34), rgba(92, 107, 175, 0.38)), rgba(255, 255, 255, 0.035);
  }

  .logo img,
  .site-logo img,
  .header-logo img,
  .navbar-logo img,
  .brand-logo img,
  img[alt*="Nuova"],
  img[alt*="Mente"] {
    filter: brightness(1.13) contrast(1.07) saturate(1.14);
    transition: filter 220ms ease, transform 220ms ease;
  }

  .logo img:hover,
  .site-logo img:hover,
  .header-logo img:hover,
  .navbar-logo img:hover,
  .brand-logo img:hover,
  img[alt*="Nuova"]:hover,
  img[alt*="Mente"]:hover {
    filter:
      brightness(1.30)
      contrast(1.08)
      saturate(1.24)
      drop-shadow(0 0 13px rgba(54, 214, 201, 0.28))
      drop-shadow(0 0 22px rgba(139, 92, 246, 0.18));
    transform: translateY(-1px);
  }

  .breadcrumb,
  .nav-menu {
    background-color: var(--bg-color-blur);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
  }

  .hero {
    box-shadow: 0 18px 44px rgba(0,0,0,0.45);
    border: 1px solid rgba(255,255,255,0.10);
  }

  .hero::before {
    background:
      radial-gradient(700px 420px at 18% 30%, rgba(255,255,255,0.10), transparent 60%),
      radial-gradient(700px 420px at 80% 15%, rgba(0,0,0,0.25), transparent 55%);
    opacity: 1;
  }

  .level-card,
  .exercise-card,
  .stat-card,
  .exercise-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 16px 40px rgba(0,0,0,0.45);
  }

  .level-card:hover,
  .exercise-card:hover,
  .stat-card:hover,
  .exercise-item:hover {
    box-shadow: 0 20px 55px rgba(0,0,0,0.55);
    border-color: rgba(255,255,255,0.14);
  }

  .btn-primary { box-shadow: 0 14px 34px rgba(0,0,0,0.45); }
  .btn-primary:hover { box-shadow: 0 18px 44px rgba(0,0,0,0.55); }

  .teacher-dashboard .td-kpi,
  .teacher-dashboard .td-search,
  .teacher-dashboard .td-filters select { background: #1f1f1f; }

  .feature-lock {
    background: linear-gradient(180deg, var(--fl-premium-dark-bg-top), var(--fl-premium-dark-bg-bottom));
    border: 1px solid var(--fl-premium-dark-border);
    box-shadow: var(--fl-premium-dark-shadow-main), var(--fl-premium-dark-shadow-inset);
  }

  .feature-lock__icon,
  .feature-lock__btn.primary {
    background: var(--fl-premium-dark-grad-main);
    color: #1a1a1a;
  }

  .feature-lock__title { color: var(--fl-premium-dark-text-main); }
  .feature-lock__text { color: var(--fl-premium-dark-text-secondary); }
  .feature-lock__btn.primary { box-shadow: var(--fl-premium-dark-shadow-btn); }
  .feature-lock__btn { border: 1px dashed var(--fl-premium-dark-text-accent); color: var(--fl-premium-dark-text-accent); }

  .feature-lock.feature-lock--paid {
    --fl-premium-dark-bg-top: var(--fl-paid-dark-bg-top);
    --fl-premium-dark-bg-bottom: var(--fl-paid-dark-bg-bottom);
    --fl-premium-dark-border: var(--fl-paid-dark-border);
    --fl-premium-dark-shadow-main: var(--fl-paid-dark-shadow-main);
    --fl-premium-dark-shadow-inset: var(--fl-paid-dark-shadow-inset);
    --fl-premium-dark-shadow-icon: var(--fl-paid-dark-shadow-icon);
    --fl-premium-dark-shadow-btn: var(--fl-paid-dark-shadow-btn);
    --fl-premium-dark-grad-main: var(--fl-paid-dark-grad-main);
    --fl-premium-dark-text-main: var(--fl-paid-dark-text-main);
    --fl-premium-dark-text-secondary: var(--fl-paid-dark-text-secondary);
    --fl-premium-dark-text-accent: var(--fl-paid-dark-text-accent);
  }

  section { border-radius: 14px; }

  .level-progress-card,
  .activity-item,
  .achievement-card {
    background: var(--surface-color-transparent) !important;
    border: 0 solid black !important;
  }

  #languageDropdown.language-dropdown {
    background:
      radial-gradient(800px 520px at 22% 0%, rgba(92, 107, 175, 0.28), transparent 58%),
      radial-gradient(700px 520px at 85% 22%, rgba(54, 146, 155, 0.22), transparent 54%),
      rgba(8, 11, 19, 0.78) !important;
    backdrop-filter: blur(38px) saturate(170%) !important;
    -webkit-backdrop-filter: blur(38px) saturate(170%) !important;
  }

  body:has(#languageDropdown.active) .breadcrumb,
  body:has(#languageDropdown.active) .main-content,
  body:has(#languageDropdown.active) .footer { opacity: 0.34 !important; }

  body:has(#languageDropdown.active) #languageToggle .mi-b { color: rgba(255,255,255,0.94) !important; }
}

/* =========================================================
   15. PRINT E FALLBACKS
========================================================= */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .nav-menu::before,
  .language-dropdown::before {
    background: var(--vm-menu-atmosphere), rgba(248, 251, 255, 0.96) !important;
  }

  @media (prefers-color-scheme: dark) {
    .nav-menu::before,
    .language-dropdown::before {
      background: var(--vm-menu-atmosphere), rgba(8, 11, 19, 0.94) !important;
    }
  }
}

@media print {
  .header,
  .footer,
  .nav-menu,
  .hamburger,
  .language-toggle,
  .modal {
    display: none !important;
  }

  * {
    position: static !important;
    filter: none !important;
    backdrop-filter: none !important;
  }

  body {
    padding-top: 0;
    padding-bottom: 0;
    background: #fff !important;
  }

  .main-content {
    padding: 0;
    margin: 0;
    max-width: none;
  }

  .btn {
    border: 1px solid var(--text-primary);
    color: var(--text-primary) !important;
    background: transparent !important;
  }
}

/* =========================================================
   PATCH IPAD/SAFARI — SOMENTE FUNDO ESTÁVEL
   Objetivo:
   - Corrigir fundo preto/quebrado no print "Tela inteira" do iPad.
   - Mexer somente no fundo global da página.
   - Manter gradientes de botões, cards, badges, progresso e outros elementos.
   - Não forçar light mode.
========================================================= */

@supports (-webkit-touch-callout: none) {
  @media screen and (min-width: 700px) {
    :root {
      color-scheme: light dark !important;

      --bg-atmos-1: none !important;
      --bg-atmos-2: none !important;
      --bg-atmos-3: none !important;
      --bg-atmos-base: var(--background-color) !important;
    }

    html {
      color-scheme: light dark !important;
      background: var(--background-color) !important;
      background-color: var(--background-color) !important;
      background-image: none !important;
      background-attachment: scroll !important;
      background-size: auto !important;
      min-height: 100% !important;
      overflow-x: hidden !important;
    }

    body {
      color-scheme: light dark !important;
      background: var(--background-color) !important;
      background-color: var(--background-color) !important;
      background-image: none !important;
      background-attachment: scroll !important;
      background-size: auto !important;
      min-height: 100vh !important;
      overflow-x: hidden !important;
    }

    body::before,
    body::after,
    html::before,
    html::after {
      content: none !important;
      display: none !important;
      background: none !important;
      background-image: none !important;
    }

    .main-content,
    main,
    .page-root,
    #app {
      background: transparent !important;
      background-color: transparent !important;
      background-image: none !important;
      position: relative !important;
      z-index: 1 !important;
    }

    .header {
      background: var(--surface-color) !important;
      background-color: var(--surface-color) !important;
    }

    .breadcrumb,
    .footer {
      background: var(--bg-color-blur) !important;
      background-color: var(--bg-color-blur) !important;
    }
  }
}










/* =========================================================
   Modal global de notificações - versão consolidada
   Afeta somente o onboarding de notificações
   ========================================================= */

/* Overlay */
.nm-notification-onboarding-overlay {
  position: fixed !important;
  inset: 0 !important;
  z-index: 99999 !important;

  display: flex !important;
  align-items: center !important;
  justify-content: center !important;

  padding: 14px !important;
  background: rgba(15, 29, 34, 0.72) !important;

  overflow: hidden !important;
}

/* Card principal */
.nm-notification-onboarding-card {
  width: min(92vw, 720px) !important;
  height: min(760px, calc(100svh - 28px)) !important;
  max-height: calc(100svh - 28px) !important;

  display: flex !important;
  flex-direction: column !important;

  padding: 30px !important;
  border-radius: 28px !important;

  background: #ffffff !important;
  color: #263445 !important;

  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;

  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24) !important;
}

/* Ordem fixa */
.nm-notification-onboarding-kicker {
  order: 1 !important;
}

.nm-notification-onboarding-title {
  order: 2 !important;
}

.nm-notification-onboarding-text {
  order: 3 !important;
}

.nm-notification-onboarding-options,
.nm-notification-onboarding-content,
.nm-notification-onboarding-body,
.nm-notification-onboarding-reminders,
.nm-notification-onboarding-times,
.nm-notification-onboarding-manual-times {
  order: 4 !important;
}

.nm-notification-onboarding-profile-note,
[data-key="push_onboarding_profile_note"] {
  order: 5 !important;
}

/* As barrinhas agora ficam perto dos botões */
.nm-notification-onboarding-steps {
  order: 6 !important;
}

.nm-notification-onboarding-actions {
  order: 7 !important;
}

/* Kicker */
.nm-notification-onboarding-kicker {
  width: fit-content !important;
  max-width: 100% !important;

  margin: 0 0 18px 0 !important;
  padding: 8px 14px !important;

  border-radius: 999px !important;
  background: rgba(54, 146, 155, 0.10) !important;
  color: #207078 !important;

  font-weight: 800 !important;
  line-height: 1.2 !important;

  flex: 0 0 auto !important;
}

/* Título */
.nm-notification-onboarding-title {
  margin: 0 0 14px 0 !important;

  color: #263445 !important;
  font-size: clamp(30px, 6vw, 46px) !important;
  line-height: 1.08 !important;
  letter-spacing: -0.03em !important;

  flex: 0 0 auto !important;
}

/* Texto principal */
.nm-notification-onboarding-text {
  margin: 0 0 20px 0 !important;

  color: #607071 !important;
  font-size: clamp(18px, 4.5vw, 28px) !important;
  line-height: 1.42 !important;

  flex: 0 0 auto !important;
}

/* Nota do perfil */
.nm-notification-onboarding-profile-note,
[data-key="push_onboarding_profile_note"] {
  display: block !important;

  margin: 14px 0 0 0 !important;
  color: #607071 !important;

  font-size: clamp(15px, 3.8vw, 18px) !important;
  line-height: 1.45 !important;

  flex: 0 0 auto !important;
}

/* Opções */
.nm-notification-onboarding-options {
  display: grid !important;
  gap: 12px !important;

  width: 100% !important;
  margin: 16px 0 0 0 !important;

  flex: 0 0 auto !important;
}

/* Cards das opções */
.nm-notification-onboarding-card .nm-notification-onboarding-option,
.nm-notification-onboarding-card label.nm-notification-onboarding-option,
.nm-notification-onboarding-card button.nm-notification-onboarding-option {
  display: grid !important;
  grid-template-columns: 32px 1fr !important;
  gap: 14px !important;
  align-items: flex-start !important;

  width: 100% !important;
  min-height: auto !important;

  padding: 18px !important;
  margin: 0 !important;

  border: 2px solid rgba(127, 140, 141, 0.22) !important;
  border-radius: 20px !important;

  background: rgba(248, 251, 251, 0.96) !important;
  color: #173333 !important;

  text-align: left !important;
  font-family: inherit !important;
  font-weight: 400 !important;
  line-height: 1.35 !important;

  box-shadow: none !important;
  cursor: pointer !important;
}

/* Card selecionado */
.nm-notification-onboarding-card .nm-notification-onboarding-option.is-selected,
.nm-notification-onboarding-card .nm-notification-onboarding-option:has(input:checked) {
  border-color: rgba(54, 146, 155, 0.72) !important;
  background: rgba(54, 146, 155, 0.08) !important;
}

/* Radio */
.nm-notification-onboarding-card .nm-notification-onboarding-option input[type="radio"] {
  width: 24px !important;
  height: 24px !important;

  margin: 3px 0 0 0 !important;
  padding: 0 !important;

  accent-color: #36929b !important;
  flex: 0 0 auto !important;
}

/* Texto interno das opções */
.nm-notification-onboarding-card .nm-notification-onboarding-option > span,
.nm-notification-onboarding-card .nm-notification-onboarding-option .nm-notification-onboarding-option-text {
  display: block !important;
  width: 100% !important;
  min-width: 0 !important;
}

.nm-notification-onboarding-card .nm-notification-onboarding-option strong {
  display: block !important;

  margin: 0 !important;

  color: #173333 !important;
  font-size: clamp(19px, 4.8vw, 27px) !important;
  font-weight: 900 !important;
  line-height: 1.18 !important;
  letter-spacing: -0.01em !important;
}

.nm-notification-onboarding-card .nm-notification-onboarding-option span span,
.nm-notification-onboarding-card .nm-notification-onboarding-option small,
.nm-notification-onboarding-card .nm-notification-onboarding-option p {
  display: block !important;

  margin: 8px 0 0 0 !important;

  color: #607071 !important;
  font-size: clamp(16px, 4vw, 22px) !important;
  font-weight: 500 !important;
  line-height: 1.38 !important;
  letter-spacing: normal !important;
}

/* Hover leve */
.nm-notification-onboarding-card .nm-notification-onboarding-option:hover {
  border-color: rgba(54, 146, 155, 0.50) !important;
  background: rgba(54, 146, 155, 0.06) !important;
}

/* Área dos horários */
.nm-notification-onboarding-times,
.nm-notification-onboarding-manual-times,
.nm-notification-onboarding-time-list {
  display: grid !important;
  gap: 12px !important;

  width: 100% !important;
  margin: 16px 0 0 0 !important;

  flex: 0 0 auto !important;
}

.nm-notification-onboarding-time-row {
  display: grid !important;
  grid-template-columns: minmax(120px, 170px) 1fr !important;
  gap: 10px !important;
  align-items: center !important;

  width: 100% !important;
}

.nm-notification-onboarding-time-row input[type="time"],
.nm-notification-onboarding-card input[type="time"] {
  width: 100% !important;
  min-height: 52px !important;

  padding: 10px 14px !important;

  border: 1px solid rgba(127, 140, 141, 0.28) !important;
  border-radius: 14px !important;

  background: #ffffff !important;
  color: #173333 !important;

  font-family: inherit !important;
  font-size: 20px !important;
}

/* Barrinhas como divisor antes dos botões */
.nm-notification-onboarding-steps {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 10px !important;

  width: 100% !important;

  margin-top: auto !important;
  margin-bottom: 16px !important;
  padding-top: 24px !important;

  flex: 0 0 auto !important;
}

.nm-notification-onboarding-dot {
  display: block !important;
  width: 100% !important;
  height: 7px !important;
  min-height: 7px !important;

  border-radius: 999px !important;
  background: rgba(54, 146, 155, 0.16) !important;
}

.nm-notification-onboarding-dot.is-active {
  background: linear-gradient(135deg, #36929b, #5266c9) !important;
}

/* Botões */
.nm-notification-onboarding-actions {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;

  width: 100% !important;
  margin-top: 0 !important;
  padding-top: 0 !important;

  border-top: 0 !important;

  flex: 0 0 auto !important;
}

.nm-notification-onboarding-button,
.nm-notification-onboarding-card button:not(.nm-notification-onboarding-option) {
  min-height: 54px !important;

  border: 0 !important;
  border-radius: 999px !important;

  font-family: inherit !important;
  font-size: 18px !important;
  font-weight: 900 !important;
  line-height: 1.1 !important;

  cursor: pointer !important;
}

.nm-notification-onboarding-button,
.nm-notification-onboarding-button-primary,
.nm-notification-onboarding-actions button:first-child {
  width: 100% !important;

  background: linear-gradient(135deg, #36929b, #5266c9) !important;
  color: #ffffff !important;
}

.nm-notification-onboarding-button-secondary,
.nm-notification-onboarding-actions button:not(:first-child) {
  width: 100% !important;

  background: #edf4f4 !important;
  color: #173333 !important;
}

/* Botões pequenos dos horários */
.nm-notification-onboarding-time-row button,
.nm-notification-onboarding-add-time,
.nm-notification-onboarding-remove-time {
  min-height: 52px !important;

  padding: 10px 16px !important;

  background: #edf4f4 !important;
  color: #173333 !important;

  font-size: 16px !important;
  font-weight: 900 !important;
}

.nm-notification-onboarding-add-time {
  width: 100% !important;
}

/* Estados */
.nm-notification-onboarding-card button:disabled {
  opacity: 0.55 !important;
  cursor: not-allowed !important;
}

/* Mobile */
@media (max-width: 640px) {
  .nm-notification-onboarding-overlay {
    padding: 12px !important;
  }

  .nm-notification-onboarding-card {
    width: 100% !important;
    height: calc(100svh - 24px) !important;
    max-height: calc(100svh - 24px) !important;

    padding: 22px !important;
    border-radius: 24px !important;
  }

  .nm-notification-onboarding-title {
    font-size: clamp(30px, 8vw, 42px) !important;
  }

  .nm-notification-onboarding-text {
    font-size: clamp(18px, 5vw, 26px) !important;
  }

  .nm-notification-onboarding-card .nm-notification-onboarding-option,
  .nm-notification-onboarding-card label.nm-notification-onboarding-option,
  .nm-notification-onboarding-card button.nm-notification-onboarding-option {
    grid-template-columns: 30px 1fr !important;
    gap: 13px !important;

    padding: 16px !important;
    border-radius: 18px !important;
  }

  .nm-notification-onboarding-card .nm-notification-onboarding-option input[type="radio"] {
    width: 23px !important;
    height: 23px !important;
  }

  .nm-notification-onboarding-time-row {
    grid-template-columns: 1fr !important;
  }

  .nm-notification-onboarding-steps {
    gap: 8px !important;
    margin-bottom: 14px !important;
    padding-top: 18px !important;
  }

  .nm-notification-onboarding-dot {
    height: 6px !important;
    min-height: 6px !important;
  }
}

/* Telas baixas */
@media (max-height: 760px) {
  .nm-notification-onboarding-card {
    height: calc(100svh - 18px) !important;
    max-height: calc(100svh - 18px) !important;

    padding-top: 18px !important;
    padding-bottom: 18px !important;
  }

  .nm-notification-onboarding-title {
    font-size: clamp(28px, 7vw, 38px) !important;
  }

  .nm-notification-onboarding-text {
    font-size: clamp(17px, 4.7vw, 23px) !important;
  }

  .nm-notification-onboarding-steps {
    padding-top: 16px !important;
  }
}

/* Fallback para navegadores sem 100svh */
@supports not (height: 100svh) {
  .nm-notification-onboarding-card {
    height: min(760px, calc(100vh - 28px)) !important;
    max-height: calc(100vh - 28px) !important;
  }

  @media (max-width: 640px) {
    .nm-notification-onboarding-card {
      height: calc(100vh - 24px) !important;
      max-height: calc(100vh - 24px) !important;
    }
  }
}

/* =========================================================
   Patch final do onboarding de notificações
   Corrige: altura, espaços, cards, bolinhas e horários manuais
   ========================================================= */

/* Card menos alto quando não precisa ser alto */
.nm-notification-onboarding-card {
  height: auto !important;
  min-height: 0 !important;
  max-height: calc(100svh - 28px) !important;

  display: flex !important;
  flex-direction: column !important;

  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;
}

/* Nunca mostrar blocos marcados como hidden */
.nm-notification-onboarding-card [hidden],
.nm-notification-onboarding-times[hidden],
.nm-notification-onboarding-times-dropdown[hidden] {
  display: none !important;
}

/* Ordem limpa */
.nm-notification-onboarding-kicker {
  order: 1 !important;
}

.nm-notification-onboarding-title {
  order: 2 !important;
}

.nm-notification-onboarding-text {
  order: 3 !important;
}

.nm-notification-onboarding-options {
  order: 4 !important;
}

.nm-notification-onboarding-profile-note {
  order: 5 !important;
}

.nm-notification-onboarding-steps {
  order: 6 !important;
}

.nm-notification-onboarding-actions {
  order: 7 !important;
}

/* Barrinhas agora funcionam como divisor antes do botão */
.nm-notification-onboarding-steps {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 10px !important;

  width: 100% !important;

  margin: 26px 0 14px 0 !important;
  padding: 0 !important;

  flex: 0 0 auto !important;
}

.nm-notification-onboarding-dot {
  display: block !important;

  width: 100% !important;
  height: 7px !important;
  min-height: 7px !important;

  border-radius: 999px !important;
  background: rgba(54, 146, 155, 0.16) !important;
}

.nm-notification-onboarding-dot.is-active {
  background: linear-gradient(135deg, #36929b, #5266c9) !important;
}

/* Remove o espaço gigante antes das barrinhas */
.nm-notification-onboarding-steps {
  margin-top: 26px !important;
}

/* Botões finais */
.nm-notification-onboarding-actions {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;

  width: 100% !important;

  margin-top: 0 !important;
  padding-top: 0 !important;
  border-top: 0 !important;

  flex: 0 0 auto !important;
}

/* Botões normais continuam em formato pílula */
.nm-notification-onboarding-actions button,
.nm-notification-onboarding-primary,
.nm-notification-onboarding-secondary:not(.nm-notification-onboarding-remove-time):not(.nm-notification-onboarding-add-time) {
  min-height: 54px !important;

  border: 0 !important;
  border-radius: 999px !important;

  font-family: inherit !important;
  font-size: 18px !important;
  font-weight: 900 !important;
  line-height: 1.1 !important;
}

/* Cards de opção: não podem virar pílula */
.nm-notification-onboarding-card .nm-notification-onboarding-option,
.nm-notification-onboarding-card button.nm-notification-onboarding-option {
  display: grid !important;
  grid-template-columns: 32px 1fr !important;
  gap: 14px !important;
  align-items: flex-start !important;

  width: 100% !important;
  min-height: auto !important;

  padding: 18px !important;
  margin: 0 !important;

  border: 2px solid rgba(127, 140, 141, 0.22) !important;
  border-radius: 20px !important;

  background: rgba(248, 251, 251, 0.96) !important;
  color: #173333 !important;

  text-align: left !important;
  font-family: inherit !important;
  font-weight: 400 !important;
  line-height: 1.35 !important;

  box-shadow: none !important;
  cursor: pointer !important;
}

/* Card selecionado */
.nm-notification-onboarding-card .nm-notification-onboarding-option.is-selected {
  border-color: rgba(54, 146, 155, 0.72) !important;
  background: rgba(54, 146, 155, 0.08) !important;
}

/* Bolinha falsa das opções */
.nm-notification-onboarding-option-marker {
  display: block !important;

  width: 24px !important;
  height: 24px !important;
  min-width: 24px !important;
  min-height: 24px !important;
  max-width: 24px !important;
  max-height: 24px !important;

  aspect-ratio: 1 / 1 !important;

  margin: 3px 0 0 0 !important;

  border: 3px solid rgba(54, 146, 155, 0.38) !important;
  border-radius: 50% !important;

  background: transparent !important;
  box-shadow: none !important;
}

/* Bolinha selecionada */
.nm-notification-onboarding-option.is-selected .nm-notification-onboarding-option-marker {
  border-color: #36929b !important;
  background:
    radial-gradient(circle at center, #36929b 0 42%, transparent 45% 100%) !important;
}

/* Texto dentro dos cards */
.nm-notification-onboarding-option-text {
  display: block !important;
  width: 100% !important;
  min-width: 0 !important;
}

.nm-notification-onboarding-card .nm-notification-onboarding-option strong {
  display: block !important;

  margin: 0 !important;

  color: #173333 !important;
  font-size: clamp(19px, 4.8vw, 27px) !important;
  font-weight: 900 !important;
  line-height: 1.18 !important;
  letter-spacing: -0.01em !important;
}

.nm-notification-onboarding-card .nm-notification-onboarding-option span span,
.nm-notification-onboarding-card .nm-notification-onboarding-option small,
.nm-notification-onboarding-card .nm-notification-onboarding-option p {
  display: block !important;

  margin: 8px 0 0 0 !important;

  color: #607071 !important;
  font-size: clamp(16px, 4vw, 22px) !important;
  font-weight: 500 !important;
  line-height: 1.38 !important;
}

/* Área de horários manuais: aparece como dropdown entre as opções */
.nm-notification-onboarding-times-dropdown {
  display: grid !important;
  gap: 12px !important;

  width: 100% !important;

  margin: -2px 0 0 0 !important;
  padding: 14px !important;

  border: 1px solid rgba(54, 146, 155, 0.22) !important;
  border-radius: 18px !important;

  background: rgba(54, 146, 155, 0.045) !important;
}

/* Lista de horários */
.nm-notification-onboarding-time-list {
  display: grid !important;
  gap: 10px !important;

  width: 100% !important;
}

/* Linha de horário */
.nm-notification-onboarding-time-row {
  display: grid !important;
  grid-template-columns: minmax(116px, 140px) 1fr !important;
  gap: 10px !important;
  align-items: center !important;

  width: 100% !important;
}

/* Input de horário */
.nm-notification-onboarding-time-row input[type="time"],
.nm-notification-onboarding-card input[type="time"] {
  width: 100% !important;
  min-height: 50px !important;

  padding: 8px 12px !important;

  border: 1px solid rgba(127, 140, 141, 0.28) !important;
  border-radius: 14px !important;

  background: #ffffff !important;
  color: #173333 !important;

  font-family: inherit !important;
  font-size: 18px !important;
  text-align: center !important;
}

/* Botões de remover/adicionar horário */
.nm-notification-onboarding-remove-time,
.nm-notification-onboarding-add-time {
  min-height: 50px !important;

  padding: 8px 14px !important;

  border: 0 !important;
  border-radius: 999px !important;

  background: #edf4f4 !important;
  color: #173333 !important;

  font-family: inherit !important;
  font-size: 16px !important;
  font-weight: 900 !important;
}

.nm-notification-onboarding-add-time {
  width: 100% !important;
}

/* Primeira tela: reduz o espaço em branco */
.nm-notification-onboarding-card:not(:has(.nm-notification-onboarding-options)) {
  min-height: 0 !important;
}

/* Mobile */
@media (max-width: 640px) {
  .nm-notification-onboarding-overlay {
    padding: 12px !important;
  }

  .nm-notification-onboarding-card {
    width: 100% !important;
    max-height: calc(100svh - 24px) !important;

    padding: 22px !important;
    border-radius: 24px !important;
  }

  .nm-notification-onboarding-title {
    font-size: clamp(30px, 8vw, 42px) !important;
  }

  .nm-notification-onboarding-text {
    font-size: clamp(18px, 5vw, 26px) !important;
  }

  .nm-notification-onboarding-card .nm-notification-onboarding-option,
  .nm-notification-onboarding-card button.nm-notification-onboarding-option {
    grid-template-columns: 30px 1fr !important;
    gap: 13px !important;

    padding: 16px !important;
    border-radius: 18px !important;
  }

  .nm-notification-onboarding-option-marker {
    width: 23px !important;
    height: 23px !important;
    min-width: 23px !important;
    min-height: 23px !important;
    max-width: 23px !important;
    max-height: 23px !important;
  }

  .nm-notification-onboarding-time-row {
    grid-template-columns: minmax(108px, 130px) 1fr !important;
  }

  .nm-notification-onboarding-time-row input[type="time"],
  .nm-notification-onboarding-card input[type="time"] {
    font-size: 17px !important;
  }

  .nm-notification-onboarding-steps {
    gap: 8px !important;
    margin-top: 22px !important;
    margin-bottom: 14px !important;
  }

  .nm-notification-onboarding-dot {
    height: 6px !important;
    min-height: 6px !important;
  }
}

/* Telas muito estreitas */
@media (max-width: 390px) {
  .nm-notification-onboarding-time-row {
    grid-template-columns: 1fr !important;
  }
}

/* Telas baixas */
@media (max-height: 760px) {
  .nm-notification-onboarding-card {
    max-height: calc(100svh - 18px) !important;

    padding-top: 18px !important;
    padding-bottom: 18px !important;
  }

  .nm-notification-onboarding-title {
    font-size: clamp(28px, 7vw, 38px) !important;
  }

  .nm-notification-onboarding-text {
    font-size: clamp(17px, 4.7vw, 23px) !important;
  }
}

/* Fallback sem 100svh */
@supports not (height: 100svh) {
  .nm-notification-onboarding-card {
    max-height: calc(100vh - 28px) !important;
  }

  @media (max-width: 640px) {
    .nm-notification-onboarding-card {
      max-height: calc(100vh - 24px) !important;
    }
  }
}













/* =========================================================
   PATCH ÚNICO — A1/A2/B1 MOBILE + SIMULAZIONE B1
   Objetivo:
   - Esconder breadcrumb no mobile.
   - Remover o espaço reservado do breadcrumb no mobile.
   - Dar mais respiro ao topo no mobile.
   - Compactar os cards de exercícios no mobile.
   - Posicionar a Simulazione B1 abaixo de "Escolha o Tipo de Exercício".
   - Manter o fundo da Simulazione B1 igual aos outros cards.
   - Usar destaque apenas na borda colorida e no botão.
========================================================= */

/* =========================
   Simulazione B1 — base
========================= */

.b1-simulation-section {
  width: 100%;
  margin: 0 auto var(--spacing-lg) auto;
}

.b1-simulation-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--spacing-md);

  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: var(--spacing-lg);

  background: var(--surface-color-transparent) !important;
  border: 2px solid rgba(54, 146, 155, 0.72) !important;
  border-radius: var(--border-radius-lg);

  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.10),
    0 0 0 1px rgba(54, 146, 155, 0.06) inset !important;

  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;

  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.b1-simulation-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  border-color: rgba(54, 146, 155, 0.95) !important;
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.13),
    0 0 0 1px rgba(54, 146, 155, 0.10) inset !important;
}

.b1-simulation-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;

  display: flex;
  align-items: center;
  justify-content: center;

  background: var(--surface-color) !important;
  border: 2px solid rgba(54, 146, 155, 0.42) !important;

  box-shadow:
    0 5px 12px rgba(0, 0, 0, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.34) !important;
}

.b1-simulation-icon .material-icons {
  font-size: 34px;
}

.b1-simulation-icon .gradient-icon {
  filter: saturate(1.25) contrast(1.08) brightness(1.03) !important;
}

.b1-simulation-content {
  min-width: 0;
}

.b1-simulation-content h3 {
  margin: 0 0 4px 0;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
}

.b1-simulation-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.45;
}

.b1-simulation-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;

  padding: 10px 16px;
  border-radius: 999px;

  background: var(--progress-fill);
  color: #ffffff;

  font-weight: 800;
  white-space: nowrap;

  filter: saturate(1.18) contrast(1.08) brightness(1.02) !important;
  box-shadow: 0 6px 14px rgba(54, 146, 155, 0.24) !important;
}

.b1-simulation-action .material-icons {
  color: #ffffff;
  font-size: 20px;
}

/* =========================
   Mobile
========================= */

@media (max-width: 768px) {
  body {
    padding-top: var(--header-height) !important;
  }

  .breadcrumb {
    display: none !important;
  }

  .main-content {
    padding-top: 26px !important;
  }

  .level-header {
    gap: 12px !important;
    margin-bottom: 26px !important;
  }

  .level-header .level-badge,
  .level-badge {
    margin-bottom: 0 !important;
  }

  .level-header h2 {
    margin-bottom: 0 !important;
    font-size: clamp(1.85rem, 7vw, 2.35rem) !important;
    line-height: 1.12 !important;
  }

  .level-header p {
    margin-top: 8px !important;
    margin-bottom: 0 !important;
    line-height: 1.45 !important;
  }

  .exercise-types {
    margin-bottom: var(--spacing-lg) !important;
  }

  .exercise-types h3 {
    margin-bottom: 18px !important;
    font-size: clamp(1.42rem, 6.4vw, 1.86rem) !important;
    line-height: 1.15 !important;
  }

  .b1-simulation-section {
    width: 100% !important;
    margin: 0 0 14px 0 !important;
  }

  .b1-simulation-card {
    display: grid !important;
    grid-template-columns: 46px 1fr auto !important;
    grid-template-areas: "icon content action" !important;
    align-items: center !important;
    column-gap: 14px !important;

    width: 100% !important;
    max-width: none !important;
    min-height: 96px !important;
    height: auto !important;
    margin: 0 !important;
    padding: 16px !important;

    text-align: left !important;
    border-radius: 18px !important;
    border-width: 2px !important;
  }

  .b1-simulation-card:hover {
    transform: none !important;
  }

  .b1-simulation-icon {
    grid-area: icon !important;

    width: 46px !important;
    height: 46px !important;
    border-radius: 14px !important;

    margin: 0 !important;
  }

  .b1-simulation-icon .material-icons {
    font-size: 30px !important;
  }

  .b1-simulation-content {
    grid-area: content !important;
    min-width: 0 !important;
  }

  .b1-simulation-content h3 {
    margin: 0 !important;
    font-size: 1.16rem !important;
    line-height: 1.15 !important;
  }

  .b1-simulation-content p {
    margin: 2px 0 0 0 !important;

    color: var(--text-secondary);
    font-size: 0.98rem !important;
    line-height: 1.35 !important;

    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }

  .b1-simulation-action {
    grid-area: action !important;

    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    min-height: 38px !important;

    padding: 0 !important;
    border-radius: 999px !important;

    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .b1-simulation-action span:first-child {
    display: none !important;
  }

  .b1-simulation-action .material-icons {
    font-size: 20px !important;
  }

  .exercise-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    margin-bottom: var(--spacing-lg) !important;
  }

  .exercise-card {
    display: grid !important;
    grid-template-columns: 46px 1fr !important;
    grid-template-areas:
      "icon title"
      "icon description"
      "progress progress" !important;
    align-items: center !important;
    column-gap: 14px !important;
    row-gap: 4px !important;

    width: 100% !important;
    min-height: 96px !important;
    padding: 16px !important;

    text-align: left !important;
    border-radius: 18px !important;
  }

  .exercise-card:hover {
    transform: none !important;
  }

  .exercise-card .exercise-icon {
    grid-area: icon !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;

    margin: 0 !important;
  }

  .exercise-card .exercise-icon .material-icons,
  .exercise-card .exercise-icon .gradient-icon {
    font-size: 30px !important;
  }

  .exercise-card h4 {
    grid-area: title !important;

    margin: 0 !important;
    font-size: 1.16rem !important;
    line-height: 1.15 !important;
  }

  .exercise-card p {
    grid-area: description !important;

    margin: 2px 0 0 0 !important;

    color: var(--text-secondary);
    font-size: 0.98rem !important;
    line-height: 1.35 !important;

    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }

  .exercise-card .exercise-progress {
    grid-area: progress !important;

    display: grid !important;
    grid-template-columns: 1fr auto !important;
    align-items: center !important;
    gap: 10px !important;

    width: 100% !important;
    margin-top: 12px !important;
  }

  .exercise-card .progress-bar {
    width: 100% !important;
    height: 7px !important;
    margin: 0 !important;
  }

  .exercise-card .progress-text {
    display: inline-block !important;

    min-width: max-content !important;

    color: var(--text-secondary);
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }
}

/* =========================
   Mobile estreito
========================= */

@media (max-width: 420px) {
  .b1-simulation-card {
    grid-template-columns: 40px 1fr auto !important;
    min-height: 92px !important;
    padding: 14px !important;
    column-gap: 12px !important;
  }

  .b1-simulation-icon {
    width: 40px !important;
    height: 40px !important;
  }

  .b1-simulation-icon .material-icons {
    font-size: 28px !important;
  }

  .b1-simulation-content h3 {
    font-size: 1.08rem !important;
  }

  .b1-simulation-content p {
    font-size: 0.94rem !important;
  }

  .b1-simulation-action {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
  }

  .exercise-card {
    grid-template-columns: 40px 1fr !important;
    min-height: 92px !important;
    padding: 14px !important;
    column-gap: 12px !important;
  }

  .exercise-card .exercise-icon .material-icons,
  .exercise-card .exercise-icon .gradient-icon {
    font-size: 28px !important;
  }

  .exercise-card h4 {
    font-size: 1.08rem !important;
  }

  .exercise-card p {
    font-size: 0.94rem !important;
  }
}

/* =========================
   Dark mode
========================= */

@media (prefers-color-scheme: dark) {
  .b1-simulation-card {
    background: var(--surface-color-transparent) !important;
    border-color: rgba(66, 176, 187, 0.54) !important;

    box-shadow:
      0 12px 28px rgba(0, 0, 0, 0.44),
      0 0 0 1px rgba(255, 255, 255, 0.025) inset !important;
  }

  .b1-simulation-card:hover {
    border-color: rgba(66, 176, 187, 0.72) !important;
  }

  .b1-simulation-icon {
    background: rgba(8, 14, 22, 0.96) !important;
    border-color: rgba(66, 176, 187, 0.42) !important;

    box-shadow:
      0 6px 16px rgba(0, 0, 0, 0.38),
      inset 0 0 0 1px rgba(255, 255, 255, 0.035) !important;
  }

  .b1-simulation-icon .gradient-icon {
    filter: saturate(1.32) contrast(1.08) brightness(1.12) !important;
  }
}

/* =========================
   Dark mode via data-theme
========================= */

[data-theme="dark"] .b1-simulation-card {
  background: var(--surface-color-transparent) !important;
  border-color: rgba(66, 176, 187, 0.54) !important;

  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.44),
    0 0 0 1px rgba(255, 255, 255, 0.025) inset !important;
}

[data-theme="dark"] .b1-simulation-card:hover {
  border-color: rgba(66, 176, 187, 0.72) !important;
}

[data-theme="dark"] .b1-simulation-icon {
  background: rgba(8, 14, 22, 0.96) !important;
  border-color: rgba(66, 176, 187, 0.42) !important;

  box-shadow:
    0 6px 16px rgba(0, 0, 0, 0.38),
    inset 0 0 0 1px rgba(255, 255, 255, 0.035) !important;
}

[data-theme="dark"] .b1-simulation-icon .gradient-icon {
  filter: saturate(1.32) contrast(1.08) brightness(1.12) !important;
}