/**
 * PAITHON BOOK - ENHANCED TABS STYLING
 * Ottimizzazione speciale per sistema Elementare/Superiore
 */

/* ===== CONTAINER TABS ===== */
.sphinx-tabs {
  margin: 2.5rem 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  background: var(--bg-main, #ffffff);
  border: 1px solid var(--border-color, #e1e8ed);
  transition: box-shadow 0.3s ease;
}

.sphinx-tabs:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* ===== TAB BUTTONS ===== */
.sphinx-tabs-tab-container {
  background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
  border-bottom: 2px solid var(--border-color, #e1e8ed);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0;
}

.sphinx-tabs-tab {
  flex: 1;
  min-width: 120px;
  padding: 1rem 1.5rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  color: var(--text-light, #5a6c7d);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

/* Tab hover effect */
.sphinx-tabs-tab:hover {
  background: linear-gradient(135deg, rgba(189, 95, 255, 0.1) 0%, rgba(189, 95, 255, 0.2) 100%);
  color: var(--primary-dark, #9b3dd4);
  transform: translateY(-2px);
}

/* Active tab - Elementare (verde) */
.sphinx-tabs-tab[aria-selected="true"][data-tab-label*="Elementare"],
.sphinx-tabs-tab[aria-selected="true"][data-tab-label*="elementare"] {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
  border-bottom-color: #2e7d32;
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
  transform: translateY(-2px);
}

/* Active tab - Superiore (blu/viola) */
.sphinx-tabs-tab[aria-selected="true"][data-tab-label*="Superiore"],
.sphinx-tabs-tab[aria-selected="true"][data-tab-label*="superiore"] {
  background: linear-gradient(135deg, var(--primary-color, #BD5FFF) 0%, var(--primary-light, #d89fff) 100%);
  color: white;
  border-bottom-color: var(--primary-dark, #9b3dd4);
  box-shadow: 0 4px 12px rgba(189, 95, 255, 0.4);
  transform: translateY(-2px);
}

/* Icon indicators for tabs */
.sphinx-tabs-tab[data-tab-label*="Elementare"]::before,
.sphinx-tabs-tab[data-tab-label*="elementare"]::before {
  content: "🎓 ";
  margin-right: 0.5rem;
}

.sphinx-tabs-tab[data-tab-label*="Superiore"]::before,
.sphinx-tabs-tab[data-tab-label*="superiore"]::before {
  content: "🔬 ";
  margin-right: 0.5rem;
}

/* Focus state for accessibility */
.sphinx-tabs-tab:focus {
  outline: 3px solid var(--accent-color, #00d4ff);
  outline-offset: -3px;
  z-index: 10;
}

/* ===== TAB PANELS ===== */
.sphinx-tabs-panel {
  padding: 2rem;
  background: var(--bg-main, #ffffff);
  animation: fadeInContent 0.4s ease-out;
  min-height: 200px;
}

/* Panel backgrounds diversi per livello */
.sphinx-tabs-panel[id*="elementare"] {
  background: linear-gradient(to bottom, #ffffff 0%, #f1f8f4 100%);
  border-left: 4px solid #4caf50;
}

.sphinx-tabs-panel[id*="superiore"] {
  background: linear-gradient(to bottom, #ffffff 0%, #f5f0ff 100%);
  border-left: 4px solid var(--primary-color, #BD5FFF);
}

/* Animation */
@keyframes fadeInContent {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CONTENT INSIDE PANELS ===== */
.sphinx-tabs-panel h1,
.sphinx-tabs-panel h2,
.sphinx-tabs-panel h3,
.sphinx-tabs-panel h4 {
  margin-top: 1.5rem;
}

.sphinx-tabs-panel h1:first-child,
.sphinx-tabs-panel h2:first-child,
.sphinx-tabs-panel h3:first-child,
.sphinx-tabs-panel h4:first-child {
  margin-top: 0;
}

.sphinx-tabs-panel p:last-child {
  margin-bottom: 0;
}

/* Code blocks inside panels */
.sphinx-tabs-panel pre {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

/* ===== BADGE INDICATORS ===== */
.sphinx-tabs::before {
  content: "📚 Scegli il tuo livello";
  display: block;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-color, #BD5FFF) 0%, var(--accent-color, #00d4ff) 100%);
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* Tablet */
@media (max-width: 1024px) {
  .sphinx-tabs-tab {
    padding: 0.9rem 1.25rem;
    font-size: 0.85rem;
  }

  .sphinx-tabs-panel {
    padding: 1.5rem;
  }
}

/* Mobile */
@media (max-width: 767px) {
  .sphinx-tabs {
    margin: 1.5rem -0.75rem;
    border-radius: 8px;
  }

  .sphinx-tabs-tab-container {
    flex-direction: column;
  }

  .sphinx-tabs-tab {
    width: 100%;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color, #e1e8ed);
    border-left: 4px solid transparent;
    text-align: left;
  }

  .sphinx-tabs-tab[aria-selected="true"] {
    transform: none;
    border-bottom: 1px solid var(--border-color, #e1e8ed);
  }

  .sphinx-tabs-tab[aria-selected="true"][data-tab-label*="Elementare"],
  .sphinx-tabs-tab[aria-selected="true"][data-tab-label*="elementare"] {
    border-left-color: #4caf50;
  }

  .sphinx-tabs-tab[aria-selected="true"][data-tab-label*="Superiore"],
  .sphinx-tabs-tab[aria-selected="true"][data-tab-label*="superiore"] {
    border-left-color: var(--primary-color, #BD5FFF);
  }

  .sphinx-tabs-panel {
    padding: 1.25rem;
  }

  .sphinx-tabs::before {
    font-size: 0.75rem;
    padding: 0.6rem 1rem;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .sphinx-tabs-tab {
    padding: 0.85rem;
    font-size: 0.8rem;
  }

  .sphinx-tabs-panel {
    padding: 1rem;
  }

  .sphinx-tabs-tab::before {
    font-size: 1rem;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .sphinx-tabs {
    box-shadow: none;
    border: 1px solid #000;
  }

  .sphinx-tabs-tab-container {
    display: none;
  }

  .sphinx-tabs-panel {
    display: block !important;
    page-break-inside: avoid;
    border: 1px solid #000;
    margin: 1rem 0;
  }

  .sphinx-tabs-panel::before {
    content: attr(id);
    display: block;
    font-weight: bold;
    margin-bottom: 1rem;
    text-transform: capitalize;
  }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
  .sphinx-tabs {
    background: var(--bg-secondary, #242526);
    border-color: var(--border-color, #3e4042);
  }

  .sphinx-tabs-tab-container {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
  }

  .sphinx-tabs-tab {
    color: var(--text-light, #b0b3b8);
  }

  .sphinx-tabs-panel {
    background: var(--bg-main, #18191a);
  }

  .sphinx-tabs-panel[id*="elementare"] {
    background: linear-gradient(to bottom, #18191a 0%, #1a2f1e 100%);
  }

  .sphinx-tabs-panel[id*="superiore"] {
    background: linear-gradient(to bottom, #18191a 0%, #2a1a3a 100%);
  }

  .sphinx-tabs-panel pre {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
  .sphinx-tabs-tab,
  .sphinx-tabs-panel {
    animation: none;
    transition: none;
  }

  .sphinx-tabs-tab:hover {
    transform: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .sphinx-tabs {
    border: 2px solid currentColor;
  }

  .sphinx-tabs-tab[aria-selected="true"] {
    border-bottom-width: 4px;
  }
}