/* 
   Main CSS file for Nuovamente
   Contains all responsive styling with CSS variables
   Mobile-first approach with iPad optimization
*/

/* Root CSS variables for consistent theming */
:root {
  color-scheme: light dark;

  /* Color palette */
  /*--primary-color: #2E8B57;          /* Sea green for Italian theme */
  /*--secondary-color: #FF6B35;        /* Orange accent */
  --primary-color: #36929b; /* Sea green for Italian theme */
  --secondary-color: #5c6baf; /* Purple accent */
  --accent-color: #5c6baf; /* Purple links and actions */
  --background-color: #fafafa; /* Light gray background */
  --surface-color: #ffffff; /* White surface */
  --surface-color-transparent: rgba(255, 255, 255, 0.85); /* White surface */
  --text-primary: #2c3e50; /* Dark gray for primary text */
  --text-secondary: #7f8c8d; /* Medium gray for secondary text */
  --text-light: #bdc3c7; /* Light gray for disabled text */
  --border-color: #e1e5e9; /* Light border color */
  --shadow-color: rgba(0, 0, 0, 0.1); /* Subtle shadow */


  /* Status colors */
  --success-color: #27ae76; /* Green for success */
  --warning-color: #f3b212; /* Orange for warning */
  --error-color: #e74c3c; /* Red for error */
  --info-color: #3498db; /* Blue for info */

  /* Icon colors */
  --icon-color: #2c3e50; /* Dark gray icons for light theme */
  --icon-secondary: #7f8c8d; /* Medium gray for secondary icons */
  --icon-muted: #bdc3c7; /* Light gray for muted icons */

  /* Progress colors */
  --progress-excellent: #27ae60; /* Green 80-100% */
  --progress-good: #f39c12; /* Orange 60-79% */
  --progress-poor: #e74c3c; /* Red <60% */
  --progress-not-started: #bdc3c7; /* Gray not started */
  --progress-fill: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );

  /* Typography */
  --font-title: "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;
  --font-brand: "Baloo Bhai 2", "Baloo 2", "Nunito", "Quicksand", "Rubik",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;

  /* Spacing */
  --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; /* ajuste fino: 38–50px dependendo do seu breadcrumb */
  --footer-height: 80px;
  --container-max-width: 1200px;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-50: 18px;

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

  /* Progress footer specific */
  --overall-progress-height: 10px;
  --overall-progress-height-expanded: 30px;

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

  
  
  
  
  
  
 
  /* =========================================================
     FEATURE LOCK — PREMIUM (COLOR TOKENS)
     Usado em banners, cards e áreas bloqueadas
  ========================================================= */

  /* ===== Light mode ===== */

  /* Backgrounds */
  --fl-premium-bg-top: rgba(255, 244, 214, 0.85);
  --fl-premium-bg-bottom: rgba(255, 255, 255, 0.95);

  /* Borders */
  --fl-premium-border: rgba(255, 200, 90, 0.45);

  /* Shadows */
  --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);

  /* Gradients */
  --fl-premium-grad-main: linear-gradient(135deg, #facc15, #f59e0b);
  --fl-premium-grad-badge: linear-gradient(135deg, #f5b942, #f59e0b);

  /* Text colors */
  --fl-premium-text-main: #1f2933;
  --fl-premium-text-secondary: #4b5563;
  --fl-premium-text-accent: #92400e;

  /* Borders (dashed) */
  --fl-premium-border-dashed: rgba(245, 158, 11, 0.6);

  /* =========================================================
     FEATURE LOCK — PREMIUM (DARK MODE)
  ========================================================= */

  /* Backgrounds */
  --fl-premium-dark-bg-top: rgba(60, 45, 10, 0.85);
  --fl-premium-dark-bg-bottom: rgba(20, 20, 20, 0.95);

  /* Borders */
  --fl-premium-dark-border: rgba(245, 158, 11, 0.45);

  /* Shadows */
  --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);

  /* Gradients */
  --fl-premium-dark-grad-main: linear-gradient(135deg, #fbbf24, #f59e0b);

  /* Text colors */
  --fl-premium-dark-text-main: #f9fafb;
  --fl-premium-dark-text-secondary: #d1d5db;
  --fl-premium-dark-text-accent: #fbbf24;
  
  
  
  

  
  
  /* =========================================================
   FEATURE LOCK — PAGO (COLOR TOKENS)
   Usado em banners, cards e áreas bloqueadas
   Tema: verde água / teal (brand)
========================================================= */

/* ===== Light mode ===== */

/* Backgrounds */
--fl-paid-bg-top: rgba(214, 242, 244, 0.85);      /* teal bem claro */
--fl-paid-bg-bottom: rgba(255, 255, 255, 0.95);

/* Borders */
--fl-paid-border: rgba(54, 146, 155, 0.45);

/* Shadows */
--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);

/* Gradients */
--fl-paid-grad-main: linear-gradient(135deg, #4cc3c7, #36929b);
--fl-paid-grad-badge: linear-gradient(135deg, #5fd4d8, #36929b);

/* Text colors */
--fl-paid-text-main: #0b3a3f;          /* teal escuro */
--fl-paid-text-secondary: #3f6f73;
--fl-paid-text-accent: #1b6a70;

/* Borders (dashed) */
--fl-paid-border-dashed: rgba(54, 146, 155, 0.6);

/* =========================================================
   FEATURE LOCK — PAGO (DARK MODE)
========================================================= */

/* Backgrounds */
--fl-paid-dark-bg-top: rgba(20, 55, 58, 0.85);
--fl-paid-dark-bg-bottom: rgba(15, 20, 22, 0.95);

/* Borders */
--fl-paid-dark-border: rgba(54, 146, 155, 0.45);

/* Shadows */
--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);

/* Gradients */
--fl-paid-dark-grad-main: linear-gradient(135deg, #4cc3c7, #36929b);

/* Text colors */
--fl-paid-dark-text-main: #e6f6f7;
--fl-paid-dark-text-secondary: #b7e4e6;
--fl-paid-dark-text-accent: #5fd4d8;






/* =========================================================
   FEATURE LOCK — FREE (COLOR TOKENS)
   Usado em banners, cards e áreas bloqueadas
   Tema: cinza / neutro / desativado
========================================================= */

/* ===== Light mode ===== */

/* Backgrounds */
--fl-free-bg-top: rgba(245, 246, 247, 0.95);
--fl-free-bg-bottom: rgba(255, 255, 255, 0.9);

/* Borders */
--fl-free-border: rgba(156, 163, 175, 0.45);

/* Shadows */
--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);

/* Gradients */
--fl-free-grad-main: linear-gradient(135deg, #e5e7eb, #d1d5db);
--fl-free-grad-badge: linear-gradient(135deg, #d1d5db, #9ca3af);

/* Text colors */
--fl-free-text-main: #374151;
--fl-free-text-secondary: #6b7280;
--fl-free-text-accent: #4b5563;

/* Borders (dashed) */
--fl-free-border-dashed: rgba(156, 163, 175, 0.6);

/* =========================================================
   FEATURE LOCK — FREE (DARK MODE)
========================================================= */

/* Backgrounds */
--fl-free-dark-bg-top: rgba(28, 30, 34, 0.95);
--fl-free-dark-bg-bottom: rgba(18, 20, 24, 0.95);

/* Borders */
--fl-free-dark-border: rgba(156, 163, 175, 0.35);

/* Shadows */
--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);

/* Gradients */
--fl-free-dark-grad-main: linear-gradient(135deg, #9ca3af, #6b7280);

/* Text colors */
--fl-free-dark-text-main: #e5e7eb;
--fl-free-dark-text-secondary: #9ca3af;
--fl-free-dark-text-accent: #d1d5db;
  
}

/* === SHARED (GLOBAL) — used across all pages ================= */

/* Base reset and typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  line-height: 1.6;
  scroll-behavior: smooth;
}

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

/* Esconde o conteúdo enquanto o idioma ainda não foi aplicado */
/* Esconde só por um instante, mas nunca “para sempre” */
body { opacity: 1; } /* default visível */


/* Typography styles */
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;
}

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

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

/* Button styles */
.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: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.5;
  min-height: 44px;
}

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

.btn-primary:hover {
  background-color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.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);
  /*min-height: 36px;*/
}

.btn-full {
  width: 100%;
}

/* Header styles */
.header {
  position: fixed;
  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: 1000;
  box-shadow: 0 2px 4px var(--shadow-color);
}


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

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

/* ===== Language selector — drawer idêntico ao .nav-menu (abre da direita) ===== */
.language-selector { position: relative; }


/* Drawer da língua — MESMA “pegada” do .nav-menu, porém vindo da direita */
.language-dropdown {
  position: fixed;
  top: var(--header-height);
  right: -100vw;                /* escondido fora da tela (direita) */
  width: 100vw;                 /* igual ao seu .nav-menu */
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-color-blur);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-left: 1px solid var(--border-color);
  box-shadow: -2px 0 4px var(--shadow-color);
  z-index: 1100;
  transition: right var(--transition-normal);
  display: block;               /* controlamos via posição, não via display */
  overflow-y: auto;
  font-size: var(--font-size-xl);
  font-family: var(--font-brand);
  padding: var(--spacing-lg) 0; /* mesmo espaçamento do UL do menu */
}

/* Estado aberto (entra da direita para a esquerda) */
.language-dropdown.active { right: 0; }

/* “Links” das opções — espelham .nav-menu a */
.language-option {
  display: block;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  background: none;
  border: none;
  text-align: right;
  font-weight: 600;
  font-size: var(--font-size-large);
  font-family: var(--font-brand);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-right: 0px solid transparent; /* espelhando: menu usa border-left */
}
.language-option:hover {
  border-right-color: var(--primary-color);
  color: var(--primary-color);
}
.language-option.active {
  color: var(--primary-color);
  font-weight: 700;
  background: transparent;
}
.language-option .flag { font-size: 18px; }


/* Navigation menu */
.nav-menu {
  position: fixed;
  top: var(--header-height);
  left: -100%;
  width: 100vw;
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-color-blur);
  backdrop-filter: blur(var(--blur)); /* desfoca o que está atrás */
  -webkit-backdrop-filter: blur(var(--blur));
  border-right: 1px solid var(--border-color);
  transition: left var(--transition-normal);
  z-index: 1000;
  box-shadow: 2px 0 4px var(--shadow-color);
}

.nav-menu.active {
  left: 0;
  width: 100vw;
}

.nav-menu ul {
  list-style: none;
  padding: var(--spacing-lg) 0;
}

.nav-menu li {
  margin: 0;
}

.nav-menu a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
  border-left: 0px 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);
}

/* Breadcrumb navigation */
.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: 999;
  
  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 */
.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 styles — versão inline (mesmo visual, sem overlay) */
.modal {
  display: none;              /* controlado via JS */
  position: static;           /* deixa de ser overlay fixo */
  z-index: auto;
  width: 100%;
  height: auto;
  background: transparent;    /* remove backdrop */
  backdrop-filter: none;
  padding: 0 0;               /* pode ajustar se quiser respiro lateral */
}

.modal-content {
  background-color: var(--surface-color);
  margin: 24px auto 0;        /* aparece abaixo do exercício */
  padding: 0;
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: none;           /* sem recorte vertical */
  overflow: visible;          /* deixa o conteúdo respirar */
  box-shadow: 0 8px 32px var(--shadow-color);
  animation: modalSlideIn var(--transition-normal);
  scroll-margin: 80px;        /* para centralizar ao usar scrollIntoView */
}

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

@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;
}/* Progress bars */
.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 progress bar */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-color-blur);
  backdrop-filter: blur(var(--blur)); /* desfoca o que está atrás */
  -webkit-backdrop-filter: blur(var(--blur));
  border-top: 1px solid var(--border-color);
  z-index: 1100;
  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 notifications */
.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);
}

/* Material Icons styling */
.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;
}

/* Icons */
.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;
}

/* Utility classes */
.baloo {
  font-family: var(--font-title);
}

.bold {
  font-weight: 800;
}

/* Skeleton base */
.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%);
  }
}

.exercises-container {
  transition: opacity 0.15s ease;
}

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

/* === END SHARED (GLOBAL) ===================================== */

/* === PAGE: index.php ================================== */

/* Hero section */
.hero {
  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%);
}

.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;
}

/* Level/Exercise cards */
.levels,
.exercise-types {
  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 {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.level-card:hover,
.exercise-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px var(--shadow-color);
  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; /*era var(--spacing-sm)*/
  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 specific */
.level-progress {
  margin-top: var(--spacing-md);
}

/* Call to action section */
.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);
}

/* === END PAGE: index.php =============================== */

/* === PAGE: a1.php, a2.php, b1.php ================================== */

/* Level header */
.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; /* var(--spacing-sm) */
  /*background-color: var(--background-color);*/
  border-radius: var(--border-radius-lg);
  /*box-shadow: 0 2px 4px var(--background-color);/*/
  text-align: center;

}

/* Só nas páginas de nível, não no dashboard do aluno */
.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 {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: var(--font-size-large);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-title);
}

/* === END PAGE: a1.php, a2.php, b1.php =============================== */

/* === PAGE: exercise-list.php ================================== */

/* Exercise list styles */
.exercise-list-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 {
  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 {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  font-weight: 600;
}

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

.exercise-item {
  display: flex;
  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);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.exercise-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--shadow-color);
  border-color: var(--primary-color);
}

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

.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 status colors */
.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);
}

/* Herdar cor de status para o número do exercício */
.exercise-item.not-started .exercise-number {
  background-color: var(--progress-not-started);
  color: #fff; /* texto branco para contraste */
}

.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;
}

/* Herdar cor de status para o número do exercício */
.exercise-item.not-started .status-text {
  /*color: var(--progress-not-started);*/
}

.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);
}

/* === END PAGE: exercise-list.php =============================== */

/* === PAGE: exercise.php ================================== */

/* Exercise content styles */
.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-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

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

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

.exercise-description {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0;
}

/* Reading exercise styles */
.reading-exercise {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 8px var(--shadow-color);
}

.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);
  }

.audio-player {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.audio-btn {
  display: block; /* somente por enquanto*/
  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 var(--transition-fast);
}

.audio-btn.is-hovered {
  background-color: #357abd;
}

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

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

.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;
}

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

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

.question-item {
  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-lg);
  color: var(--text-primary);
}

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

.option-label {
  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);
}

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

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

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

.option-label input[type="radio"] {
  margin-right: var(--spacing-md);
  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;
}

/* Vocabulary exercise styles */
.vocabulary-exercise {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 8px var(--shadow-color);
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.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 {
  width: 100%;
  height: 200px;
  perspective: 1000px;
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition-normal);
}

.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);
}

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

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

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

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

.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 */
.exercise-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 0px solid var(--border-color); /*borda eliminada por enguanto*/
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

/* Instructions Popup */
.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 */
.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;
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition-normal);
}

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

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

/* Flashcard Navigation */
.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 Button */
.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 {
  font-family: var(--font-title);
  font-size: var(--font-size-xxl);
  font-weight: 600;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.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;
}

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

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

.flip-hint {
  font-size: var(--font-size-small);
  opacity: 0.7;
  margin: 0;
}

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

.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-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);
  color: ;
  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;
}

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

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

.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);
}

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

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

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

/* Quiz Results */
.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;
}


/* === Duas colunas só no VOCABULÁRIO === */
/* === Duas colunas só no VOCABULÁRIO === */
/* === Duas colunas só no VOCABULÁRIO === */
/* === Duas colunas só no VOCABULÁRIO === */
.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%;            /* cada opção ocupa a coluna inteira */
  justify-content: flex-start;
}

/* Em telas pequenas, volta para 1 coluna */
@media (max-width: 600px) {
  .vocabulary-quiz-container .quiz-options {
    grid-template-columns: 1fr;
  }
}

/* === Duas colunas só no VOCABULÁRIO === */
/* === Duas colunas só no VOCABULÁRIO === */
/* === Duas colunas só no VOCABULÁRIO === */
/* === Duas colunas só no VOCABULÁRIO === */




/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */
/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */
/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */
/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */

@media (max-width: 600px) {
  /* Container principal — remove padding e limitações */
  .vocabulary-quiz-container {
    max-width: none;       /* ocupa toda a tela */
    width: 100%;
    padding: 0 !important; /* remove espaço lateral */
  }

  /* Bloco interno com o conteúdo — remove padding lateral */
  .quiz-content {
    padding: 0 !important;
    margin: 0 auto;
    width: 100%;
  }
  
  .single-flashcard-container {
    padding: 0 !important;
    margin: 0 auto;
    width: 100%;
  }

  /* Cada questão — ocupa 100% e perde o fundo e bordas */
  .quiz-question {
    width: 100%;
    margin: 0;
    padding:0 0 var(--spacing-md) 0;  /* só um pouco de espaço vertical */
    background: none !important;   /* remove fundo cinza */
    border: none !important;
    border-radius: 0 !important;
  }

  /* Mantém espaçamento suave entre perguntas */
  .quiz-question + .quiz-question {
    margin-top: 0;    /* era var(--spacing-lg) */
  }

  /* Garante que as opções usem largura total */
  .vocabulary-quiz-container .quiz-options {
    grid-template-columns: 1fr !important; /* sempre 1 coluna no mobile */
    width: 100%;
    gap: var(--spacing-sm);
  }

  /* As opções ocupam toda a largura útil */
  .vocabulary-quiz-container .quiz-option {
    width: 100%;
    justify-content: flex-start;
  }
}

/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */
/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */
/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */
/* === PATCH: Corrigir layout estreito no mobile (VOCABULÁRIO) === */




/* Results modal specific styles */
.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);
}


/* Quando o modal for exibido inline, o botão "Back to List" desce para baixo */
.exercise-navigation {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  transition: all 0.3s ease;
}

/* reposiciona dinamicamente o bloco inteiro */
.modal + .exercise-navigation {
  margin-top: var(--spacing-sm);
  flex-direction: column;
  align-items: center;
}

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


/* === END PAGE: exercise.php =============================== */

/* === PAGE: login.php ================================== */

/* Authentication styles */
.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 {
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.auth-form p {
  text-align: center;
  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 Enhancements */
.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);
}

/* === END PAGE: login.php =============================== */

/* === PAGE: aluno.php, professor.php ================================== */

/* Dashboard styles */
.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 {
  color: white;
}

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

/* Statistics grid */
.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 {
  background-color: var(--surface-color);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: 0 4px 8px var(--shadow-color);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
  min-width: 0;
}

.make-it-white {
  color: white !important;
}

.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 cards */
.level-progress-section {
  margin-bottom: var(--spacing-xl);
}

.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;
}

/* ESCOPADO: só dentro dos cards de progresso */
.level-progress-card .level-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.level-progress-card .level-header .level-badge {
  /*margin-right: var(--spacing-md);*/
  margin-bottom: 0;
}

.level-info h4 {
  margin: 0;
  margin-bottom: var(--spacing-xs);
  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 and achievements */
.recent-activity,
.achievements,
.progress-overview,
.quick-access{
  margin-bottom: var(--spacing-xl);
  
}

.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-weight: 600;
  font-size: var(--font-size-base);
}

.activity-score.excellent {
  color: var(--progress-excellent);
}

.activity-score.good {
  color: var(--progress-good);
}

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

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 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;
}

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

.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);
}

/* Quick actions */
.quick-actions,
.teacher-actions {
  margin-bottom: var(--spacing-xl);
}

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

.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);
}

/* Teacher dashboard specific */
.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 {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.student-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-xs);
}

.student-stats {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.stat-item {
  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-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

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

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

.student-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 8px var(--shadow-color);
}

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

.student-basic-info p {
  color: var(--text-secondary);
  font-size: var(--font-size-small);
  margin-bottom: 0;
}

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

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

/* Teacher Dashboard Styles */
.stats-overview {
  margin-bottom: var(--spacing-xl);
}

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

.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);
}

/* Student Management Styles */
.student-management {
  margin-bottom: var(--spacing-xl);
}

.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);
}

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

.student-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition-normal);
}

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

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

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

.last-activity {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* === END PAGE: aluno.php, professor.php =============================== */

/* === PAGE: minha-conta.php ================================== */

/* Account Page Styles */
.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;
}

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

.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 */
.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 Styles */
.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);
}

/* Modal Styles */
.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;
}

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

/* Empty State Styles */
.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;
}

/* === END PAGE: minha-conta.php =============================== */

/* === PAGE: saiba-mais.php ================================== */

/* About page styles */
.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 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.approach-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

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

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

.exercise-type {
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

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

.level-badge-large {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-title);
}

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

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

.feature-item,
.tip-card {
  text-align: center;
  padding: var(--spacing-lg);
  /*background-color: var(--surface-color);*/
  /*border-radius: var(--border-radius-lg);*/
  /*box-shadow: 0 4px 8px var(--shadow-color);*/
  /*border: 1px solid var(--border-color);*/
}

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

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

.teacher-feature,
.tech-feature {
  padding: var(--spacing-md);
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.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 icons specific styling */
.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);
}

/* === END PAGE: saiba-mais.php =============================== */

/* === FADE-IN ANIMATIONS ================================== */

@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;
    }
  }
}

/* === END FADE-IN ANIMATIONS =============================== */

/* === RESPONSIVE DESIGN ================================== */

/* Small tablets and large phones */
@media (min-width: 576px) {
  .level-grid,
  .exercise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .text-content p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
}
  /*
    .questions-section {
        padding: var(--spacing-lg) 0;
        background: var(--background-color);
        
    }

    .reading-exercise,
    .grammar-exercise{
        padding: var(--spacing-lg) 0;
        background: var(--background-color);
        box-shadow: none;
        
    }
  */
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .lookup-form {
    grid-template-columns: 1fr 1fr auto;
  }

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

/* Medium tablets and small laptops */
@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);
  }
  
  .text-content p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
  }

  .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);
  }
}

/* Large tablets and laptops */
@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);
  }
}

/* Desktop and large screens */
@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;
  }
}

/* iPad specific optimizations */
@media (min-width: 768px) and (max-width: 1024px) {
  .btn {
    min-height: 48px;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .option-label {
    min-height: 48px;
  }

  .flashcard {
    min-height: 240px;
  }

  .question-item {
    padding: var(--spacing-xl);
  }

  .modal-content {
    margin: 8% auto;
    width: 85%;
  }
}

/* Mobile responsiveness for flashcards */
@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);
    /*background: var(--background-color);*/
  }

  .reading-exercise,
  .grammar-exercise {
    padding: var(--spacing-md) 0;
    /*background: var(--background-color);
        box-shadow: none;*/
  }

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

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

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
  .account-form .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .students-grid {
    grid-template-columns: 1fr;
  }

  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .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 {
    width: 100%;
  }

  .student-actions {
    flex-direction: column;
  }

  .student-actions .btn {
    width: 100%;
  }
  
  .text-content {
  max-width: 640px;
  margin: 0 auto;
}

.text-content p {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  line-height: 1.6;
}
  
  .level-card,
.exercise-card {
  padding: var(--spacing-md);
}
  
  
}

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

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

  body {
    padding-top: 0;
    padding-bottom: 0;
  }

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

  .modal {
    display: none !important;
  }

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

/* === END RESPONSIVE DESIGN =============================== */

/* === ACCESSIBILITY ================================== */

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

  .footer .progress-bar {
    transition: none;
  }

  .footer .progress-percent {
    transition: none;
  }

  .footer .progress-fill {
    transition: none;
  }
}

/* Focus styles for keyboard navigation */
.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;
}

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

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

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #42B0BB; /* Sea green for Italian theme */
    --secondary-color: #5C6BAF; /* Purple accent */
    --accent-color: #5C6BAF; /* Purple links and actions */
    --background-color: #1a1a1a;
    --surface-color: #1f1f1f;
    --surface-color-transparent: rgba(255,255,255,0.08); /* dark/black surface */
    --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);
  }

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

/* === END ACCESSIBILITY =============================== */

/* === AUDIO PLAYER (scoped) ================================== */
.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;
}

.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;
}

/* Botões básicos */
.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 {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.ap-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

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

/* Barra de progresso (GLOBAL: centralizada/alinhada) */
.ap-progress-container {
  flex: 1;
  margin: 0 var(--spacing-sm);
  height: auto;

  /* NOVO: garante alinhamento vertical e evita “estouro” em flex/grid */
  display: flex;
  align-items: center;
  min-width: 0;
}

.ap-progress-bar {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  appearance: none;

  /* NOVO: remove espaçamentos colaterais e alinha ao meio */
  -webkit-appearance: none;
  display: block;
  margin: 0;
  padding: 0;
  vertical-align: middle;
}

.ap-progress-bar::-webkit-slider-thumb {
  appearance: none;
  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-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-progress-bar:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.ap-progress-bar:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Controle de velocidade */
.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:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.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;
}

/* Volume expansível */
.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 {
  appearance: none;
  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-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-volume-range:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.ap-volume-range:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Toast de erro */
.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; }
}

/* Responsividade para telas pequenas */
/* Phones até iPhone 14 Pro Max (~430px de largura lógica, usamos 600px como margem de segurança) */
@media only screen and (max-width: 600px) {
  /* Transformamos os controles em GRID de 2 linhas */
  .audio-controls {
    display: grid;
    grid-template-columns: auto auto 1fr auto;  /* play | rewind | espaço | speed */
    grid-template-rows: auto auto;              /* linha 1 (botões) | linha 2 (tempo + barra) */
    grid-template-areas:
      "play rewind . speed"
      "ctime progress progress progress";
    gap: 8px;
    align-items: center;
  }

  /* Mapear cada item para sua área no grid */
  #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;   /* garante alinhamento vertical */
    min-width: 0;
  }

  /* Esconder extras na versão phone */
  #totalTime,
  #volumeControl {
    display: none;
  }

  /* Ajustes gerais do player */
  .audio-player {
    padding: var(--spacing-md);
  }

  /* Alturas iguais p/ botões e speed control */
  .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;
  }

  /* Barra de progresso corrigida no mobile */
  .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;
  }
}

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

/* Corrige padding da barra em todas as telas */
.ap-progress-container {
  padding-inline: var(--spacing-sm);  /* espaço interno dos dois lados */
  box-sizing: border-box;             /* inclui o padding no width:100% */
  display: flex;                      /* mantém o alinhamento vertical */
  align-items: center;
}

/* Ajuste fino para telefones (fica um pouco mais compacto) */
@media only screen and (max-width: 600px) {
  .ap-progress-container {
    padding-inline: 10px;             /* você pode subir/baixar esse valor */
  }
  .ap-current {
  	margin-left: 5px;
  }
}
/* === END AUDIO PLAYER ====================================== */



/* ==========================================================
    Mostrar aviso em celulares quando estiverem em landscape
   (iPhone/Android). Tablets e desktops ficam de fora.
   ========================================================== */

@media screen and (orientation: landscape) and (max-width: 430px) {
  /* Overlay em cima de tudo */
  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;

    /* Espaço seguro para notch do iPhone */
    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));

    /* Tipografia responsiva */
    font-family: inherit;
    font-weight: 600;
    line-height: 1.35;
    font-size: clamp(16px, 2.4vw, 20px);

    /* Bloqueia interação de trás */
    pointer-events: all;
  }

  /* Impede scroll de fundo enquanto o aviso está visível */
  html,
  body {
    overflow: hidden;
  }

  /* (Opcional) Dá um leve blur no conteúdo de fundo */
  main,
  .page-root,
  #app,
  .content {
    filter: blur(2px);
  }
}

/* desktop/tablet: lado a lado */
.exercise-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;      /* não deixa quebrar linha */
  gap: 12px;
  margin-top: 20px;
}

.exercise-navigation .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 1rem;
  white-space: nowrap;    /* mantém o texto em uma linha */
  flex: 1 1 0;            /* permite encolher para caber */
  min-width: 0;           /* evita “travamento” de largura */
}

/* mobile: empilha apenas se for realmente necessário */
@media (max-width: 680px) {
  .exercise-navigation {
    flex-wrap: wrap;      /* agora pode quebrar */
  }
  .exercise-navigation .btn {
    flex: 0 0 auto;        /* metade da largura cada um */
    font-size: 0.9rem;    /* fonte menor para caber */
    padding: 12px;
  }
}

/* ===== Estilo da porcentagem da atividade recente ===== */
.activity-score {
  font-family: 'Baloo Bhai 2', cursive; /* mesma fonte do resto */
  font-size: 1.4rem;                    /* aumenta o tamanho */
  font-weight: 800;                     /* deixa mais marcante */
  color: var(--primary-color, #36929B); /* mantém cor base */
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;                      /* evita colar no texto */
}

/* força Safari iOS a não aumentar automaticamente as fontes */
html {
  -webkit-text-size-adjust: 100%;
}



/* === PATCH: Continuar praticando — centralizar e ajustar padding === */

/* 1) Centraliza QUALQUER botão primário que esteja dentro do card de progresso do nível */
.level-progress-card .btn-primary {
  display: inline-flex;              /* permite centralizar conteúdo e ícone */
  align-items: center;
  justify-content: center;
  margin: 10px auto 0;               /* auto nas laterais => centraliza */
}

/* Se o botão tiver sido marcado como full-width em algum lugar, anulamos aqui */
.level-progress-card .btn-full {
  width: auto;
}

/* 2) Botões mais “finos” em iPad (768–1024), onde o padding estava excessivo */
@media (min-width: 768px) and (max-width: 1024px) {
  .btn {
    min-height: 44px;                /* padrão acessível, mas não exagerado */
    padding: 10px 16px;              /* antes estava mais “gordo” */
    line-height: 1.2;                /* compacta a altura visual */
  }
}

/* 3) (Opcional) Em telas bem pequenas, um pouco mais compacto ainda */
@media (max-width: 480px) {
  .btn {
    padding: 10px 14px;
    min-height: 42px;
  }
}

/* 4) Garantia extra de centralização caso o container use layout flex/grid */
.level-progress-card .navigation-buttons,
.level-progress-card .exercise-navigation {
  justify-content: center;           /* se seu botão estiver dentro desses containers */
}

/* === PATCH: Centralizar botão "Continuar praticando" nos cards de progresso === */

.level-progress-card {
  display: flex;
  flex-direction: column;    /* mantém layout vertical */
  align-items: center;       /* centraliza horizontalmente TUDO dentro */
}

/* garante que o botão não estique horizontalmente */
.level-progress-card .btn-primary {
  width: auto;
  margin-top: var(--spacing-sm);
  align-self: center;        /* reforça a centralização dentro do flex container */
}

/* opcional — se o botão estiver muito largo em iPad */
@media (min-width: 768px) and (max-width: 1024px) {
  .level-progress-card .btn-primary {
    padding: 10px 18px;
    min-height: 42px;
    font-size: 1rem;
  }
}

/* === PATCH MOBILE: alinhar tudo ao mesmo gutter dentro do .level-progress-card === */
@media (max-width: 600px) {

  /* 1) Volta o card a ocupar fluxo normal e alonga filhos a 100% */
  .level-progress-card {
    display: block;                 /* evita centramentos diferentes por flex */
  }

  /* 2) Blocos principais ocupam 100% da largura útil do card */
  .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;                /* não cria “gutter” extra interno */
    padding-right: 0;
    text-align: left;               /* tira centralização dos textos */
  }

  /* 3) Barra de progresso exatamente do tamanho do container */
  .level-progress-card .progress-bar {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  /* 4) Linhas "Reading / Vocabulary / ..." bem alinhadas à esquerda */
  .level-progress-card .exercise-breakdown {
    justify-items: stretch;
  }
  .level-progress-card .exercise-type-progress {
    justify-content: space-between;
  }

  /* 5) O botão continua centralizado sem afetar o resto */
  .level-progress-card .btn-primary {
    display: block;
    margin: var(--spacing-md) auto 0;
    width: auto;
  }
}

/* === PATCH: Dashboard stats em 2 colunas no mobile === */
@media (max-width: 767px) {
  /* garante 2 colunas em mobile */
  .overall-stats,
  .overview-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);  /* 2 colunas */
    gap: var(--spacing-md);                 /* espaço uniforme */
    justify-items: stretch;
  }

  /* cada card se ajusta à largura da coluna */
  .stat-card {
    width: 100%;
    min-width: 0;
    padding: var(--spacing-md);
    box-sizing: border-box;
  }

  /* títulos e números centralizados dentro do card */
  .stat-card .stat-number,
  .stat-card .stat-label {
    text-align: center;
  }
}

/* opcional: em telas super estreitas (ex: <430px), volta para 1 coluna */
@media (max-width: 430px) {
  .overall-stats,
  .overview-stats {
    grid-template-columns: 1fr;  /* uma coluna */
  }
}

/* === PATCH FORÇADO: 4 blocos em 2 colunas no mobile (Exercises, Average, Day Streak, Best Streak) === */
@media (max-width: 767.98px) {
  body .overall-stats,
  body .overview-stats {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;   /* 2 colunas */
    gap: var(--spacing-md) !important;           /* espaçamento uniforme */
    grid-auto-rows: auto;
  }

  /* remove restrições herdadas como min-width vindas do minmax(240px,1fr) */
  body .overall-stats > *,
  body .overview-stats > * {
    min-width: 0 !important;
    width: 100% !important;
    box-sizing: border-box;
  }

  /* ajustes visuais dos cards */
  body .stat-card {
  /*  padding: var(--spacing-md) !important;*/
    text-align: center;
  }
  .stat-label {
    font-size:var(--font-size-base);
  }
  
}



/* === PAGE: professor.php (patch específico) ============================= */

/* Cabeçalho compacto com KPIs */
.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 6px 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: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
}
.teacher-dashboard .td-kpi{
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 2px 10px;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
}
.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);
}

/* Toolbar: busca / filtros / ordenar / ações */
.teacher-dashboard .td-toolbar{
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--spacing-md);
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 900px){
  .teacher-dashboard .td-toolbar{
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

.teacher-dashboard .td-search{
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 8px 12px;
}
.teacher-dashboard .td-search input{
  border: none;
  outline: none;
  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{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.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-actions{
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Grid de alunos (cartões clicáveis) */
.teacher-dashboard .td-list{
  margin-bottom: var(--spacing-xl);
}

.teacher-dashboard .students-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.teacher-dashboard .td-empty{
  grid-column: 1 / -1;
  text-align: center;
}

.teacher-dashboard .student-card{
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px;
  align-items: center;
  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-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;
}

/* Status por desempenho — borda lateral */
.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); }

/* Carregar mais */
.teacher-dashboard .td-loadmore{
  display: flex; justify-content: center; margin-top: var(--spacing-md);
}

/* Analytics seção (respiro extra) */
.teacher-dashboard .td-analytics .analytics-grid{
  gap: var(--spacing-lg);
}

/* Dark mode ajuste fino */
@media (prefers-color-scheme: dark){
  .teacher-dashboard .td-kpi{ background: #242424; }
  .teacher-dashboard .td-search{ background: #2a2a2a; }
  .teacher-dashboard .td-filters select{ background: #2a2a2a; }
}

/* Acessibilidade: foco visível em card inteiro */
.teacher-dashboard .student-card:focus-visible{
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Responsividade de ações no card em telas estreitas */
@media (max-width: 420px){
  .teacher-dashboard .student-actions .btn{
    min-width: 0;
    width: 100%;
  }
}
/* === PATCH professor.php layout refinado === */

.teacher-dashboard {
  --gap: 1.2rem;
}

/* Ajuste do container geral */
.teacher-dashboard main, 
.teacher-dashboard .main-content {
  display: block;
  width: 100%;
  margin: 0 auto;
}

/* Correções visuais nos blocos */
.teacher-dashboard .td-header {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 4px var(--shadow-color);
}

/* Melhor espaçamento das KPIs */
.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);
}

/* Toolbar alinhada */
.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;
  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;
}

/* Botões e selects */
.teacher-dashboard .td-filters select,
.teacher-dashboard .td-actions button {
  cursor: pointer;
}

/* Grid dos alunos */
.teacher-dashboard .students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Estado vazio */
.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);
}

/* --- ANALYTICS --- */
.teacher-dashboard .td-analytics {
  margin-top: 2rem;
}

.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 .td-loadmore {
  text-align: center;
  margin-top: 1rem;
}

/* Melhor integração com dark mode */
@media (prefers-color-scheme: dark) {
  .teacher-dashboard .td-kpi {
    background: #1f1f1f;
  }
}

/* ===== Teacher page: fix grid vs. legacy carousel ===== */
.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;       /* evita nowrap herdado */
  padding: 0;                            /* remove gutters herdados */
}

.teacher-dashboard .student-card{
  width: 100% !important;
  min-width: 0 !important;               /* cancela min-width de carrossel */
  margin: 0 !important;                  /* cancela margin-right de carrossel */
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto 1fr auto;  /* avatar | infos | botão */
  align-items: center;
  gap: 10px;
}

.teacher-dashboard .student-quick-stats{
  justify-self: end;
}

/* Botões dentro dos cards devem ficar estáticos (sem translate/absolute) */
.teacher-dashboard .student-card .btn{
  position: static !important;
  transform: none !important;
}

/* Barra de progresso não parecer “sublinhado” e ganhar respiro */
.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;
}

/* Em telas estreitas, 1 card por linha garantido */
@media (max-width: 900px){
  .teacher-dashboard .students-grid{
    grid-template-columns: 1fr !important;
  }
}

/* ==== THEME HOOKS p/ modal (usa suas vars atuais) ==== */
:root{
  --overlay-bg: rgba(17,24,39,.55);        /* backdrop */
  --modal-surface: var(--surface-color);   /* fundo do modal */
  --modal-text: var(--text-primary);
  --modal-muted: var(--text-secondary);
  --modal-border: var(--border-color);
  --modal-shadow: 0 12px 34px var(--shadow-color);
}

[data-theme="dark"]{
  --overlay-bg: rgba(0,0,0,.6);
  /* as demais já vêm de --surface-color/--text-*, então mantemos */
}

/* ==== MODAL (professor) – cores 100% por var ==== */
.teacher-dashboard .modal-overlay,
#studentModal.modal-overlay,
#addStudentModal.modal-overlay{
  position: fixed;
  inset: 0;
  display: none;                 /* é mostrado via JS */
  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;
}

/* header / footer com divisórias por var */
.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);
}

/* botão fechar e ícones usam currentColor (herdam var) */
.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; }

/* inputs dentro do modal */
.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{ color: var(--modal-muted); }

/* help/feedback */
.teacher-dashboard .form-help{ color: var(--modal-muted); }
.teacher-dashboard #addStudentFeedback.success{ color: #1e7e34; }   /* pode trocar por var se tiver */
.teacher-dashboard #addStudentFeedback.error{ color: #c0392b; }     /* idem */

/* barras de progresso dentro do modal de aluno */
#studentModal .progress-bar{
  width:100%;height:8px;background:#EEF2F7;        /* claro */
  background: color-mix(in srgb, var(--modal-text) 12%, transparent); /* fallback dark-friendly */
  border-radius:999px;overflow:hidden;
}
#studentModal .progress-fill{
  height:100%;background: var(--primary-color);
  transition: width .35s ease;
}

/* cartões/kpis do modal de aluno */
#studentModal .kpi{ background: var(--surface-color); border:1px solid var(--border-color); }
#studentModal .muted{ color: var(--modal-muted); }
#studentModal .lvl{ background: var(--surface-color); border:1px solid var(--border-color); }
#studentModal .badge{ background: color-mix(in srgb, var(--primary-color) 12%, transparent); color: var(--primary-color); }

/* links/itens clicáveis da lista recente */
#studentModal .stm-list .item{ color: var(--modal-text); }
#studentModal .stm-list .item:hover{
  background: color-mix(in srgb, var(--primary-color) 8%, transparent);
}
/* ==== Avatar (Student Modal) – por variáveis ==== */
:root{
  --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);
}

[data-theme="dark"]{
  /* mantém a mesma lógica, mas garante contraste do texto */
  --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);
}

#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);
}



























/* ===== Icon buttons (Material Icons com rotação 90° para "close") ===== */
.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;
}

/* Estilize o elemento que troca (as camadas .mi) */
.icon-btn .mi {
  font-size: 30px;                 /* tamanho do ícone */
  line-height: 1;
  color: var(--text-primary);      /* cor do ícone */
  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;
}

/* ===== ESTADOS FECHADO / ABERTO (com rotação oposta em cada botão) ===== */

/* Estado FECHADO — mostra apenas o ícone base */
.icon-btn .mi-a {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
.icon-btn .mi-b {
  opacity: 0;
  transform: rotate(0deg) scale(0.80);
}

/* ===== LANGUAGE TOGGLE → rotação HORÁRIA (+90°) ===== */
#languageToggle.icon-btn.active .mi-a,
#languageToggle.icon-btn.is-open .mi-a {
  opacity: 0;
  transform: rotate(90deg) scale(0.80); /* language gira horário */
}
#languageToggle.icon-btn.active .mi-b,
#languageToggle.icon-btn.is-open .mi-b {
  opacity: 1;
  transform: rotate(90deg) scale(1); /* close também horário */
}

/* ===== HAMBURGER → rotação ANTI-HORÁRIA (−90°) ===== */
#hamburger.icon-btn.active .mi-a {
  opacity: 0;
  transform: rotate(-90deg) scale(0.80); /* dehaze gira anti-horário */
}
#hamburger.icon-btn.active .mi-b {
  opacity: 1;
  transform: rotate(-90deg) scale(1); /* close também anti-horário */
}

/* Acessibilidade: reduz animações se o usuário pedir */
@media (prefers-reduced-motion: reduce){
  .icon-btn .mi{ transition: none !important; transform: none !important; }
}

/* ---- (Opcional) realce no hover ---- */
.icon-btn:hover .material-icons{ color: var(--text-primary); }

.language-selector {
  position: relative;
  display: flex;
  align-items: center;
  height: 44px;          /* igual ao .icon-btn */
}














/* Card de resultados alinhado com o restante do conteúdo */
#completionModal .modal-content {
  width: calc(100% - var(--spacing-lg) - var(--spacing-lg));                     /* <<< TIRAMOS o 100% */
  margin: var(--spacing-lg) var(--spacing-lg); /* só margem em cima */
  padding: 0 var(--spacing-lg);    /* respiro interno nas laterais */
  box-sizing: border-box;          /* já vem do * { box-sizing: border-box }, mas reforça */
}

/* Mobile: só ajusta a margem superior se quiser mais compacto */
@media (max-width: 600px) {
  #completionModal .modal-content {
    margin-top: var(--spacing-md);
    width: calc(100% - var(--spacing-md) - var(--spacing-md));                     /* <<< TIRAMOS o 100% */
    margin: var(--spacing-xl) var(--spacing-md); /* só margem em cima */

  }
}




  


.level-badge  {
  background: var(--progress-fill);
}




























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

#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;
}






/* =====================================================
   FIX: Centralizar popup de conclusão SOMENTE no desktop
   ===================================================== */

/* Desktop / Web */
@media (min-width: 768px) {
  #completionModal {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #completionModal .modal-content {
    margin: auto !important;       /* centraliza horizontalmente */
    width: auto;                   /* remove largura forçada */
    max-width: 520px;              /* largura elegante no desktop */
    padding: var(--spacing-lg);
  }
}

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










/* ================================
   STREAK POPUP (coerente com o tema do site)
   Substitua TODO o trecho antigo por este
   ================================ */

/* Mantém topo fixo acima do overlay */
.header { z-index: 1000; }
.breadcrumb { z-index: 999; }
#streakReminderBar { z-index: 1000; }

/* Overlay (abaixo do topo fixo) */
#streakUpdatedPopup.vm-streak-popup{
  position: fixed;
  left: 0;
  right: 0;
  top: var(--vm-overlay-top, 0px);
  bottom: 0;

  display: none; /* abre via .is-open */
  align-items: center;
  justify-content: center;

  padding: var(--spacing-lg);
  overflow: auto;

  /* visual: minimalista + suas vars */
  background: var(--bg-color-blur);            /* já muda no dark mode */
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));

  /* abaixo do header/breadcrumb/banner */
  z-index: 900;
}

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

/* Card central */
#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);

  /* layout limpo */
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

/* Ícone “tile” discreto usando a paleta do site */
#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);
}

/* Conteúdo */
#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);
}

/* Badge “record” no estilo dos seus chips (discreto e legível) */
#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);
}

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

/* Botão fechar (minimalista, coerente com ícones do site) */
#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);
}

/* Mobile: card mais “justo” e ícone menor */
@media (max-width: 420px){
  #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;
  }
}


























/* =========================================================
   ATMOSFERA DE FUNDO (Light + Dark) — ItalianLearn
   (sem mexer no HTML)
========================================================= */

/* LIGHT (default) */
:root{
  --bg-atmos-1: radial-gradient(700px 400px at 15% 25%, rgba(92,107,175,0.18), transparent 60%);/* no topo esquerdo*/
  --bg-atmos-2: radial-gradient(900px 600px at 80% 20%, rgba(54,146,155,0.09), transparent 55%);/* no topo direito*/
  --bg-atmos-3: radial-gradient(900px 700px at 70% 85%, rgba(39,174,140,0.15), transparent 60%);/* no centro no fundo*/
  --bg-atmos-base: linear-gradient(180deg, rgba(250,251,255,1), rgba(245,247,252,1));
}

/* DARK */
@media (prefers-color-scheme: dark){
  :root{
    --bg-atmos-1: radial-gradient(900px 600px at 15% 25%, rgba(92,107,175,0.30), transparent 60%);/* no topo esquerdo*/
    --bg-atmos-2: radial-gradient(900px 600px at 80% 20%, rgba(54,146,155,0.28), transparent 55%);/* no topo direito*/
    --bg-atmos-3: radial-gradient(900px 700px at 70% 75%, rgba(54,146,155,0.22), transparent 60%);/* no centro no fundo*/
    --bg-atmos-base: linear-gradient(180deg, rgba(10,12,18,1), rgba(8,10,14,1));
  }
}

/* =========================================================
   ATMOSFERA DE FUNDO — versão correta (cresce com o conteúdo)
========================================================= */

html{
  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;
}

body{
  background: transparent !important;
  min-height: 100vh;
}




/* =========================================================
   HERO (index.php) — mais depth (Light + Dark)
========================================================= */

.hero{
  position: relative;
  overflow: hidden;

  box-shadow: 0 14px 34px rgba(0,0,0,0.12);
  border: 1px solid rgba(255,255,255,0.22);
}

/* brilho/atmosfera dentro do hero */
.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;
}

/* Dark: evita branco estourado */
@media (prefers-color-scheme: dark){
  .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;
  }
}






/* =========================================================
   CARDS — upgrade (seus cards reais)
========================================================= */

.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;
}

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

/* Hover */
.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);
}

/* Dark */
@media (prefers-color-scheme: dark){
  .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);
  }
}








/* =========================================================
   BOTÕES — acabamento premium (seus botões reais)
========================================================= */

.btn{
  border-radius: 12px; /* você já tem 12, aqui só garante */
}

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

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

/* Dark: sombra um pouco mais forte */
@media (prefers-color-scheme: dark){
  .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);
  }
}












































/* ===== Premium Feature Lock (highlighted) ===== */

.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;
}

/* faixa “Premium” no canto */
.feature-lock { 
  position: relative; 
}

.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;
}

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

/* ícone */
.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;
}

/* textos */
.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);
}

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

/* botão principal */
.feature-lock__btn.primary {
  background: var(--fl-premium-grad-main);
  color: var(--fl-premium-text-main);

  font-weight: 800;
  border-radius: 12px;
  padding: 10px 16px;

  border: none;
  box-shadow: var(--fl-premium-shadow-btn);
}

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

/* botão secundário */
.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;
}

/* ===== versão compacta ===== */
.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;
}

/* ===== Premium Feature Lock — Dark Mode ===== */
@media (prefers-color-scheme: dark) {

  .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 {
    background: var(--fl-premium-dark-grad-main);
    color: #1a1a1a;

    box-shadow: var(--fl-premium-dark-shadow-icon);
  }

  .feature-lock__title {
    color: var(--fl-premium-dark-text-main);
  }

  .feature-lock__text {
    color: var(--fl-premium-dark-text-secondary);
  }

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

    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 — PAGO (Light Mode) ===== */

.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);
}

/* ===== Feature Lock — PAGO (DARK MODE) ===== */
@media (prefers-color-scheme: dark) {
  .feature-lock.feature-lock--paid {
    /* Reaponta os tokens "premium" para os tokens "paid dark" */
    --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 {
    padding: 12px;
  border-radius: 14px;
  background: var(--surface-color-transparent);
}*/

@media (prefers-color-scheme: dark) {
section {
    padding: 12px;
  border-radius: 14px;
  background: var(--surface-color-transparent);
  border: 1px solid var(--primary-color);
}
}



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

  body {
    background: #fff !important;
  }
}




/* Hover real só em dispositivos que têm hover (desktop/mouse) */
@media (hover: hover) and (pointer: fine) {
  .audio-btn:hover {
    background-color: #357abd;
  }
  .audio-btn:hover .material-icons {
    color: #fff;
  }
}

/* Efeito temporário via JS (mobile e também pode funcionar no desktop) */
.audio-btn.is-hovered {
  background-color: #357abd;
}
.audio-btn.is-hovered .material-icons {
  color: #fff;
}

/* (opcional) suaviza */
.audio-btn {
  transition: background-color .25s ease, transform .2s ease;
}
.audio-btn.is-hovered {
  transform: scale(1.04);
}


/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */
/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */
/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */
/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) ===
.flashcard .audio-btn,
.single-flashcard .audio-btn {
  display: none !important;
}
=== ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */
/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */
/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */
/* === ESCONDER BOTÃO DE FALA DENTRO DOS FLASHCARDS (temporário) === */