/* ============================================
   DelVerse - Responsive Styles
   ============================================ */

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
  .container-lg {
    max-width: 1400px;
  }
}

/* Desktop (1200px and below) */
@media (max-width: 1200px) {
  .hero-illustration {
    width: 45%;
  }

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

  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .classes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-8);
  }
}

/* Tablet Landscape (1024px and below) */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

  .hero-illustration {
    display: none;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .catalog-content {
    grid-template-columns: 1fr;
  }

  .catalog-filters {
    display: none;
  }

  .catalog-filters.mobile-open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    border-radius: 0;
    overflow-y: auto;
  }

  .class-detail-container,
  .class-detail-main {
    grid-template-columns: 1fr;
  }

  .purchase-card {
    position: relative;
    top: 0;
    margin-top: var(--spacing-8);
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .dashboard-main {
    margin-left: 0;
  }

  body.sidebar-collapsed .dashboard-main {
    margin-left: 0;
  }

  body.sidebar-collapsed .sidebar {
    width: 260px;
    padding: var(--spacing-6);
  }

  .auth-right {
    display: none;
  }

  .auth-left {
    flex: none;
    width: 100%;
  }

  .feature-grid-2x3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .skill-radar-shell,
  .support-shell,
  .flex-learn-hero {
    grid-template-columns: 1fr;
  }

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

/* Tablet Portrait (768px and below) */
@media (max-width: 768px) {
  .navbar-menu,
  .navbar-actions .btn {
    display: none;
  }

  .navbar-mobile-toggle {
    display: flex;
  }

  .navbar-mobile-menu {
    display: block;
  }

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

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

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

  .steps-container {
    flex-direction: column;
    gap: var(--spacing-8);
  }

  .steps-container::before {
    display: none;
  }

  .step-item {
    max-width: 100%;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
  }

  .reviews-summary {
    flex-direction: column;
    text-align: center;
  }

  .reviews-average {
    padding-right: 0;
    border-right: none;
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-4);
  }

  .feature-grid-2x3,
  .dashboard-two-col {
    grid-template-columns: 1fr;
  }

  .support-chat-head,
  .support-chat-actions,
  .community-thread-meta,
  .flex-module-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .support-chat-actions .btn {
    width: 100%;
  }

  .profile-info {
    flex-direction: column;
    text-align: center;
  }

  .profile-stats {
    justify-content: center;
  }
}

/* Mobile (576px and below) */
@media (max-width: 576px) {
  :root {
    --spacing-6: 1.25rem;
    --spacing-8: 1.5rem;
    --spacing-12: 2rem;
    --spacing-16: 2.5rem;
    --spacing-20: 3rem;
    --spacing-24: 4rem;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-6);
  }

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

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

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

  .footer-brand {
    grid-column: span 1;
  }

  .modal {
    width: calc(100% - var(--spacing-4));
    max-height: calc(100vh - var(--spacing-8));
  }

  .modal-body {
    max-height: calc(100vh - 200px);
  }

  .btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
  }

  .btn-xl {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
  }

  .class-detail-meta {
    flex-direction: column;
    gap: var(--spacing-3);
  }

  .table-container {
    margin: 0 calc(-1 * var(--spacing-4));
    border-radius: 0;
  }

  .toast-container {
    left: var(--spacing-4);
    right: var(--spacing-4);
    bottom: var(--spacing-4);
  }

  .toast {
    min-width: auto;
  }

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

  .feature-grid-2x3,
  .continue-learning-grid {
    grid-template-columns: 1fr;
  }
}

/* Extra Small Mobile (380px and below) */
@media (max-width: 380px) {
  :root {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-4);
  }

  .navbar-container {
    padding: 0 var(--spacing-4);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .sidebar,
  .footer,
  .btn,
  .toast-container {
    display: none !important;
  }

  .dashboard-main {
    margin-left: 0;
  }

  body {
    background: white;
  }

  .card,
  .dashboard-card {
    box-shadow: none;
    border: 1px solid var(--gray-200);
  }
}

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

/* Dark Mode Support (Optional - for future) */
@media (prefers-color-scheme: dark) {
  /* Add dark mode styles here if needed */
}