/* ==========================================================================
   D-ARTIST — Responsive Layout Styles (responsive.css)
   Mobile, Tablet, Laptop, Desktop Breakpoints
   ========================================================================== */

/* Laptop & Tablet Landscape (<= 1024px) */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .nav-links {
    gap: 16px;
  }

  .nav-search-container {
    max-width: 280px;
  }
}

/* Tablet Portrait & Large Mobile (<= 768px) */
@media (max-width: 768px) {
  :root {
    --nav-top-offset: 8px;
    --nav-height: 56px;
  }

  body {
    padding-bottom: 64px; /* Space for mobile bottom bar */
  }

  .navbar {
    padding: 0 14px;
  }

  .nav-links {
    display: none !important;
  }

  .nav-search-container {
    display: none !important;
  }

  .nav-upload-desktop-btn {
    display: none !important;
  }

  .nav-user-dropdown-wrap {
    display: none !important;
  }

  .mobile-search-btn, .mobile-menu-btn {
    display: inline-flex !important;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .artwork-grid {
    column-count: 2;
    column-gap: 14px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* Studio Sidebar collapses into mobile workspace */
  .studio-layout {
    flex-direction: column;
  }

  .studio-sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
  }

  .studio-sidebar .studio-menu-group {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    margin-bottom: 0;
  }

  .studio-sidebar .studio-menu-label {
    display: none;
  }

  .studio-nav-item {
    white-space: nowrap;
    padding: 6px 12px;
  }

  .studio-workspace-area {
    padding: 20px 16px;
  }

  .modal-dialog {
    max-width: 95vw;
    margin: 10px;
  }

  .date-picker-panel, .time-picker-panel {
    width: 280px;
    left: auto;
    right: 0;
  }
}

/* Small Mobile Phones (<= 480px) */
@media (max-width: 480px) {
  .artwork-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .artist-spotlight-grid {
    grid-template-columns: 1fr;
  }

  .collections-highlight-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-title {
    font-size: 1.7rem;
  }

  .section-title {
    font-size: 1.3rem;
  }
}