/**
 * SpeedInfer Responsive Media Queries
 * Breakpoints: Mobile (<= 768px, optimized for 390px), Tablet (769px - 1024px, optimized for 768px), Desktop (>= 1025px, optimized for 1440px)
 */

/* ==========================================================================
   Tablet Styles (max-width: 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
    --space-6: 1.25rem;
  }

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

  .playground-layout {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - var(--header-height) - var(--space-8));
    gap: var(--space-4);
  }

  .playground-controls {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-3);
  }

  .playground-main {
    min-height: 520px;
  }
}

/* ==========================================================================
   Mobile Styles (max-width: 767px) - Includes iPhone 390px & Android
   ========================================================================== */
@media (max-width: 767px) {
  /* Sidebar off-canvas drawer */
  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

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

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Header compacting */
  .app-header {
    padding: 0 var(--space-4);
  }

  .user-email {
    display: none;
  }

  .balance-pill {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-2xs);
  }

  /* Viewport spacing */
  .view-viewport {
    padding: var(--space-4);
  }

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

  .view-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .view-actions {
    width: 100%;
    justify-content: flex-start;
  }

  /* Playground Mobile Layout */
  .playground-layout {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - var(--header-height) - var(--space-8));
  }

  .playground-controls {
    width: 100%;
    max-height: 280px;
  }

  .playground-main {
    min-height: 480px;
  }

  .chat-message {
    max-width: 95%;
  }

  /* Tables container */
  .table-container {
    -webkit-overflow-scrolling: touch;
  }

  /* Modals */
  .modal-card {
    max-width: 100%;
    margin: var(--space-2);
  }

  /* Auth Page */
  .auth-card {
    padding: var(--space-5);
  }
}

/* ==========================================================================
   Ultra-Compact Mobile (max-width: 420px) - iPhone 12/13/14/15 390px
   ========================================================================== */
@media (max-width: 420px) {
  .view-viewport {
    padding: var(--space-3);
  }

  .card {
    padding: var(--space-4);
  }

  .metric-value {
    font-size: var(--text-2xl);
  }

  .quick-prompts-bar {
    display: none; /* Hide quick prompts chips to save vertical space on 390px */
  }

  .playground-controls {
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .chat-thread {
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .message-metrics-tag {
    flex-wrap: wrap;
    gap: var(--space-1);
  }
}

/* ==========================================================================
   Large Desktop Screens (min-width: 1440px)
   ========================================================================== */
@media (min-width: 1440px) {
  :root {
    --max-content-width: 1360px;
  }

  .playground-controls {
    width: 360px;
  }

  .view-content-wrapper {
    gap: var(--space-8);
  }
}