/* -------------------------------------------------------------
       Design System & CSS Variables (Figma / Linear Dark Aesthetic)
       ------------------------------------------------------------- */
    :root, [data-theme="glass"] {
      --bg-base: #08090d;
      --bg-surface: rgba(16, 19, 28, 0.72);
      --bg-surface-hover: rgba(22, 27, 40, 0.85);
      --bg-glass: rgba(255, 255, 255, 0.03);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(99, 102, 241, 0.45);
      --border-glow: rgba(99, 102, 241, 0.25);

      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;

      --accent-indigo: #6366f1;
      --accent-cyan: #06b6d4;
      --accent-violet: #8b5cf6;
      --accent-emerald: #10b981;
      --accent-amber: #f59e0b;
      --accent-rose: #f43f5e;

      --grad-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
      --grad-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);

      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
      --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06);
      --shadow-lg: 0 20px 45px -15px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.1);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
    }

    /* -------------------------------------------------------------
       ArtCraft Theme Theme (Identical to getartcraft.com/apps)
       ------------------------------------------------------------- */
    [data-theme="artcraft"] {
      --bg-base: #0c0d12;
      --bg-surface: #0c0d12;
      --bg-surface-hover: #10121a;
      --bg-glass: rgba(18, 21, 30, 0.95);
      --border-subtle: #1a1e29;
      --border-hover: #4e7bfb;
      --border-glow: rgba(78, 123, 251, 0.35);

      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;

      --accent-indigo: #4e7bfb;
      --accent-cyan: #38bdf8;
      --accent-violet: #6366f1;
      --accent-emerald: #10b981;
      --accent-amber: #f59e0b;
      --accent-rose: #f43f5e;

      --grad-primary: linear-gradient(135deg, #4e7bfb 0%, #38bdf8 100%);
      --grad-accent: linear-gradient(135deg, #4e7bfb 0%, #7c3aed 100%);

      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
      --shadow-md: none;
      --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.8);
      --radius-sm: 3px;
      --radius-md: 4px;
      --radius-lg: 4px;
      --radius-full: 4px;
    }

    /* Ambient Lighting suppression in ArtCraft Theme Theme */
    [data-theme="artcraft"] .ambient-glow-1,
    [data-theme="artcraft"] .ambient-glow-2,
    [data-theme="artcraft"] .ambient-glow-3 {
      display: none;
    }

    [data-theme="artcraft"] .ambient-grid {
      background-image: radial-gradient(rgba(78, 123, 251, 0.05) 1px, transparent 1px);
      background-size: 20px 20px;
      opacity: 0.6;
      mask-image: none;
      -webkit-mask-image: none;
    }

    /* Section Subnav and Lineup Bars as Grid Section Headers */
    .artcraft-subnav-bar {
      display: none;
      align-items: center;
      justify-content: space-between;
      padding: 0.65rem 0.2rem;
      border-top: 1px solid #1a1e29;
      border-bottom: 1px solid #1a1e29;
      margin-bottom: 1.25rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      color: #64748b;
      text-transform: uppercase;
    }

    [data-theme="artcraft"] .artcraft-subnav-bar {
      display: flex;
    }

    .artcraft-subnav-num {
      color: #cbd5e1;
      font-weight: 700;
    }

    .artcraft-lineup-bar {
      display: none;
      align-items: center;
      justify-content: space-between;
      padding: 0.65rem 0.2rem;
      border-top: 1px solid #1a1e29;
      border-bottom: 1px solid #1a1e29;
      margin-bottom: 1.25rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      color: #64748b;
      text-transform: uppercase;
    }

    [data-theme="artcraft"] .artcraft-lineup-bar {
      display: flex;
    }

    .artcraft-lineup-title {
      color: #cbd5e1;
      font-weight: 700;
    }

    .artcraft-subnav-meta,
    .artcraft-lineup-action {
      color: #64748b;
      font-weight: 600;
      letter-spacing: 0.08em;
    }

    /* Suppress generic Glass grid headers in ArtCraft Theme */
    [data-theme="artcraft"] .grid-section-header {
      display: none;
    }

    /* Top Navigation Action Buttons */
    [data-theme="artcraft"] #btn-sync-all {
      background: #ffffff;
      color: #000000;
      border: 1px solid #ffffff;
      border-radius: 3px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 700;
      font-size: 0.76rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      padding: 0.5rem 1.15rem;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
      transition: all 0.18s ease;
    }

    [data-theme="artcraft"] #btn-sync-all:hover:not(:disabled) {
      background: #e2e8f0;
      color: #000000;
      border-color: #e2e8f0;
      box-shadow: 0 0 18px rgba(255, 255, 255, 0.35);
    }

    [data-theme="artcraft"] #btn-sync-all svg {
      stroke: #000000;
    }

    [data-theme="artcraft"] #btn-theme-toggle {
      background: #12151f;
      color: #cbd5e1;
      border: 1px solid #242c3e;
      border-radius: 3px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 600;
      font-size: 0.76rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 0.5rem 1rem;
      transition: all 0.18s ease;
    }

    [data-theme="artcraft"] #btn-theme-toggle:hover {
      background: #191e2c;
      color: #ffffff;
      border-color: #4e7bfb;
    }

    [data-theme="artcraft"] #btn-edit-mode {
      background: #12151f;
      color: #cbd5e1;
      border: 1px solid #242c3e;
      border-radius: 3px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 600;
      font-size: 0.76rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 0.5rem 1rem;
      transition: all 0.18s ease;
    }

    [data-theme="artcraft"] #btn-edit-mode:hover {
      background: #191e2c;
      color: #ffffff;
      border-color: #4e7bfb;
    }

    [data-theme="artcraft"] #btn-edit-mode.active {
      background: rgba(245, 158, 11, 0.16);
      color: #fbbf24;
      border-color: #f59e0b;
      box-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
    }

    /* Category Filter Pills */
    [data-theme="artcraft"] .category-pills {
      gap: 0.45rem;
    }

    [data-theme="artcraft"] .filter-pill {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.74rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      border-radius: 3px;
      border: 1px solid #1e2433;
      background: transparent;
      color: #8b98ac;
      padding: 0.45rem 0.85rem;
    }

    [data-theme="artcraft"] .filter-pill:hover {
      background: #141824;
      border-color: #2e374f;
      color: #f1f5f9;
    }

    [data-theme="artcraft"] .filter-pill.active {
      background: #ffffff;
      color: #000000;
      border-color: #ffffff;
      font-weight: 700;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
    }

    [data-theme="artcraft"] .filter-pill.active .pill-count {
      background: rgba(0, 0, 0, 0.12);
      color: #000000;
      border-radius: 2px;
    }

    [data-theme="artcraft"] .filter-pill .pill-count {
      background: #1a1e2b;
      color: #8b98ac;
      border-radius: 2px;
    }

    /* Search Box */
    [data-theme="artcraft"] .search-input {
      background: #0d0f17;
      border: 1px solid #1e2433;
      border-radius: 3px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.8rem;
    }

    [data-theme="artcraft"] .search-input:focus {
      background: #111420;
      border-color: #4e7bfb;
      box-shadow: 0 0 0 2px rgba(78, 123, 251, 0.25);
    }

    /* Continuous Architectural Technical Grid */
    [data-theme="artcraft"] .apps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1px;
      background: #1a1e29;
      border: 1px solid #1a1e29;
      border-radius: 0;
    }

    @media (min-width: 1280px) {
      [data-theme="artcraft"] .apps-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    /* Studio Card */
    [data-theme="artcraft"] .app-card {
      background: #0c0d12;
      border: none;
      border-radius: 0;
      padding: 0;
      box-shadow: none;
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: background 0.18s ease, outline 0.18s ease;
    }

    [data-theme="artcraft"] .app-card:hover {
      background: #0f1118;
      transform: none;
      outline: 1px solid #4e7bfb;
      z-index: 10;
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.8);
    }

    [data-theme="artcraft"] .app-card::before {
      display: none;
    }

    [data-theme="artcraft"] .app-card.is-pinned {
      outline: 1px solid rgba(245, 158, 11, 0.4);
    }

    /* Card Top Bar (Number Box + Category Label) */
    .artcraft-card-topbar {
      display: none;
      align-items: center;
      justify-content: space-between;
      padding: 0.55rem 0.85rem;
      border-bottom: 1px solid #1a1e29;
      background: #0c0d12;
    }

    [data-theme="artcraft"] .artcraft-card-topbar {
      display: flex;
    }

    .artcraft-num-box {
      width: 22px;
      height: 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.72rem;
      font-weight: 800;
      color: #ffffff;
      border-radius: 2px;
    }

    .artcraft-category-tag {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.68rem;
      font-weight: 700;
      color: #8a96a8;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    /* Card Preview Artwork */
    .artcraft-card-preview {
      display: none;
      width: 100%;
      aspect-ratio: 16 / 10;
      min-height: 155px;
      max-height: 220px;
      overflow: hidden;
      position: relative;
      border-bottom: 1px solid #1a1e29;
      background: #08090d;
      cursor: pointer;
    }

    [data-theme="artcraft"] .artcraft-card-preview {
      display: block;
    }

    .artcraft-preview-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .artcraft-card-preview svg {
      width: 100%;
      height: 100%;
      display: block;
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    [data-theme="artcraft"] .app-card:hover .artcraft-preview-img,
    [data-theme="artcraft"] .app-card:hover .artcraft-card-preview svg {
      transform: scale(1.03);
    }

    /* Card Inner Body */
    [data-theme="artcraft"] .card-inner-content {
      display: flex;
      flex-direction: column;
      flex: 1;
      justify-content: space-between;
      position: relative;
    }

    /* Icon overlapping preview */
    [data-theme="artcraft"] .artcraft-icon-wrapper {
      margin-top: -26px;
      margin-left: 1.15rem;
      margin-bottom: 0.75rem;
      position: relative;
      z-index: 5;
      width: fit-content;
    }

    [data-theme="artcraft"] .app-icon-slot {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      padding: 0;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    [data-theme="artcraft"] .app-card:hover .app-icon-slot {
      transform: scale(1.05);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.85);
    }

    [data-theme="artcraft"] .app-icon-slot img,
    [data-theme="artcraft"] .app-icon-slot svg {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    [data-theme="artcraft"] .card-meta {
      padding: 0 1.15rem;
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }

    [data-theme="artcraft"] .card-title-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.5rem;
    }

    [data-theme="artcraft"] .app-title {
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.015em;
      color: #ffffff;
      line-height: 1.2;
    }

    [data-theme="artcraft"] .app-title-link {
      text-decoration: none;
      display: inline-flex;
      align-items: center;
    }

    [data-theme="artcraft"] .app-title-link:hover .app-title {
      color: #4e7bfb;
    }

    [data-theme="artcraft"] .app-desc {
      font-size: 0.84rem;
      color: #94a3b8;
      line-height: 1.45;
      margin-top: 0.25rem;
    }

    [data-theme="artcraft"] .card-meta .app-tagline,
    [data-theme="artcraft"] .card-badge-actions .app-category-pill {
      display: none;
    }

    /* Status & Release Badges in ArtCraft Theme */
    .artcraft-badges-row,
    .artcraft-platforms-row {
      display: none;
    }

    [data-theme="artcraft"] .artcraft-badges-row {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      padding: 0.85rem 1.15rem 0.65rem;
      margin-top: 0.5rem;
      flex-wrap: wrap;
    }

    [data-theme="artcraft"] .artcraft-pill-stage {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 2px 7px;
      border-radius: 2px;
      background: #111420;
      border: 1px solid #4e7bfb;
      color: #4e7bfb;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      outline: none;
      transition: background 0.15s ease, filter 0.15s ease;
    }

    [data-theme="artcraft"] .artcraft-date-text {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.68rem;
      font-weight: 600;
      color: #64748b;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      user-select: none;
    }

    /* Active Version Dropdown Chip in ArtCraft Theme */
    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 2px 7px;
      border-radius: 2px;
      background: #111420;
      outline: none;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      transition: background 0.15s ease, filter 0.15s ease;
    }

    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage.has-dropdown {
      cursor: pointer;
    }

    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage.has-dropdown:hover {
      background: #171b2b;
      filter: brightness(1.2);
    }

    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage.single-version {
      cursor: default;
    }

    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage.single-version:hover {
      background: #111420;
      filter: none;
    }

    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage .chip-chevron {
      width: 9px;
      height: 9px;
      color: currentColor;
      transition: transform 0.2s ease;
      flex-shrink: 0;
    }

    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage.open .chip-chevron,
    [data-theme="artcraft"] .active-version-btn.artcraft-pill-stage.has-dropdown:hover .chip-chevron {
      transform: rotate(180deg);
    }

    [data-theme="artcraft"] .version-menu {
      background: #0d0f17;
      border-color: #242c3d;
      border-radius: 3px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.85);
    }

    [data-theme="artcraft"] .version-menu-item:hover {
      background: rgba(78, 123, 251, 0.12);
      color: #81a1fd;
    }

    [data-theme="artcraft"] .version-menu-item.active {
      background: rgba(78, 123, 251, 0.18);
      color: #ffffff;
    }

    /* Card Bottom Action: Explore Button */
    .artcraft-explore-btn {
      display: none;
      align-items: center;
      justify-content: space-between;
      padding: 0.85rem 1.15rem;
      margin-top: 0.85rem;
      border-top: 1px solid #1a1e29;
      background: #0c0d12;
      color: #94a3b8;
      text-decoration: none;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.74rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      transition: all 0.18s ease;
    }

    [data-theme="artcraft"] .artcraft-explore-btn {
      display: flex;
    }

    [data-theme="artcraft"] .artcraft-explore-btn:hover,
    [data-theme="artcraft"] .app-card:hover .artcraft-explore-btn {
      background: #121520;
      color: #ffffff;
    }

    .artcraft-arrow {
      font-size: 0.95rem;
      transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
      color: #64748b;
    }

    [data-theme="artcraft"] .app-card:hover .artcraft-arrow {
      transform: translate(3px, -3px);
      color: #4e7bfb;
    }

    [data-theme="artcraft"] .brand-badge {
      background: rgba(78, 123, 251, 0.15);
      color: #81a1fd;
      border-color: rgba(78, 123, 251, 0.35);
      border-radius: 2px;
    }

    [data-theme="artcraft"] .btn-pin {
      background: transparent;
      border: 1px solid #202738;
      border-radius: 2px;
      color: #64748b;
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.15s ease;
      flex-shrink: 0;
    }

    [data-theme="artcraft"] .btn-pin:hover {
      background: #171b2b;
      border-color: #4e7bfb;
      color: #ffffff;
    }

    [data-theme="artcraft"] .btn-pin.pinned {
      background: rgba(245, 158, 11, 0.15);
      border-color: #f59e0b;
      color: #f59e0b;
    }

    [data-theme="artcraft"] .btn-pin svg {
      width: 14px;
      height: 14px;
    }

    [data-theme="artcraft"] .empty-state,
    [data-theme="artcraft"] .skeleton-card {
      background: #0c0d12;
      border: 1px solid #1a1e29;
      border-radius: 0;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
      background-color: var(--bg-base);
      color: var(--text-primary);
      min-height: 100vh;
      overflow-x: hidden;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* Ambient Lighting Mesh Background */
    .ambient-bg {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .ambient-glow-1 {
      position: absolute;
      top: -150px;
      left: 20%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
      filter: blur(80px);
    }

    .ambient-glow-2 {
      position: absolute;
      top: 30%;
      right: -100px;
      width: 550px;
      height: 550px;
      background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
      filter: blur(90px);
    }

    .ambient-glow-3 {
      position: absolute;
      bottom: -150px;
      left: 10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
      filter: blur(80px);
    }

    .ambient-grid {
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: 0.5;
      mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
      -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
    }

    /* Layout Container */
    .app-shell {
      position: relative;
      z-index: 1;
      max-width: 1400px;
      margin: 0 auto;
      padding: 1.5rem 2rem 4rem;
    }

    /* -------------------------------------------------------------
       Top Navigation Bar
       ------------------------------------------------------------- */
    .navbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      padding: 0.85rem 0;
      background: transparent;
      border: none;
      border-radius: 0;
      box-shadow: none;
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      margin-bottom: 1.5rem;
    }

    .brand-group {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      text-decoration: none;
      color: inherit;
    }

    .logo-container {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
      flex-shrink: 0;
      padding: 5px;
      transition: all 0.2s ease;
    }

    .brand-group:hover .logo-container {
      background: rgba(78, 123, 251, 0.16);
      border-color: rgba(78, 123, 251, 0.45);
      box-shadow: 0 0 15px rgba(78, 123, 251, 0.3);
      transform: scale(1.04);
    }

    .custom-logo-img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .default-logo-svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.15rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      display: flex;
      align-items: center;
      gap: 0.45rem;
      color: var(--text-primary);
    }

    .brand-badge {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 2px 7px;
      border-radius: var(--radius-full);
      background: rgba(99, 102, 241, 0.15);
      color: #a5b4fc;
      border: 1px solid rgba(99, 102, 241, 0.3);
    }

    .brand-subtitle {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* Navbar Right Actions */
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .btn-sync {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.45rem 0.95rem;
      background: var(--bg-glass);
      color: var(--text-primary);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      backdrop-filter: blur(8px);
    }

    .btn-sync:hover:not(:disabled) {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--border-hover);
      color: #ffffff;
      box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
    }

    .btn-sync:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }

    .btn-sync svg {
      width: 14px;
      height: 14px;
      transition: transform 0.3s ease;
    }

    .btn-sync.spinning svg {
      animation: spinAnimation 1s linear infinite;
    }

    @keyframes spinAnimation {
      from {
        transform: rotate(0deg);
      }

      to {
        transform: rotate(360deg);
      }
    }

    /* Theme Toggle Switcher Button */
    .btn-theme-toggle {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.45rem 0.95rem;
      background: var(--bg-glass);
      color: var(--text-primary);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      backdrop-filter: blur(8px);
    }

    .btn-theme-toggle:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--border-hover);
      color: #ffffff;
      box-shadow: 0 0 15px var(--border-glow);
    }

    .btn-theme-toggle svg {
      width: 14px;
      height: 14px;
      flex-shrink: 0;
      transition: transform 0.25s ease;
    }

    .btn-theme-toggle:hover svg {
      transform: scale(1.12);
    }

    /* Pin / Favorite Button (Glass Theme: Pill-sized matching category pill) */
    .btn-pin {
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-full);
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.18s ease;
      flex-shrink: 0;
      padding: 0;
      box-sizing: border-box;
    }

    .btn-pin svg {
      width: 12px;
      height: 12px;
      transition: transform 0.2s ease, fill 0.2s ease;
    }

    .btn-pin:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--border-hover);
      transform: scale(1.08);
    }

    .btn-pin.pinned {
      color: #fbbf24;
      background: rgba(245, 158, 11, 0.15);
      border-color: rgba(245, 158, 11, 0.35);
      box-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
    }

    .btn-pin.pinned svg {
      fill: currentColor;
      transform: rotate(15deg);
    }

    .section-container {
      margin-bottom: 2.8rem;
    }

    .section-heading {
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .section-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.01em;
    }

    .section-icon {
      font-size: 1.05rem;
    }

    .section-badge {
      font-size: 0.72rem;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-secondary);
      padding: 1px 7px;
      border-radius: var(--radius-full);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .app-card.is-pinned {
      border-color: rgba(99, 102, 241, 0.35);
      background: rgba(18, 22, 34, 0.85);
      box-shadow: 0 12px 35px -10px rgba(99, 102, 241, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    }

    .app-card.is-pinned::before {
      opacity: 1;
      background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.45), transparent);
    }

    /* -------------------------------------------------------------
       Controls Toolbar: Search & Category Filter
       ------------------------------------------------------------- */
    .toolbar-container {
      background: transparent;
      border: none;
      border-radius: 0;
      padding: 0.5rem 0;
      box-shadow: none;
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      margin-bottom: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    @media (min-width: 860px) {
      .toolbar-container {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }
    }

    /* Category Filter Tabs */
    .category-pills {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      overflow-x: auto;
      padding-bottom: 4px;
      scrollbar-width: none;
    }

    .category-pills::-webkit-scrollbar {
      display: none;
    }

    .filter-pill {
      background: transparent;
      color: var(--text-secondary);
      border: 1px solid transparent;
      padding: 0.45rem 0.95rem;
      border-radius: var(--radius-full);
      font-size: 0.82rem;
      font-weight: 500;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.18s ease;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    .filter-pill:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.04);
    }

    .filter-pill.active {
      background: rgba(99, 102, 241, 0.18);
      color: #c7d2fe;
      border-color: rgba(99, 102, 241, 0.4);
      box-shadow: 0 0 12px rgba(99, 102, 241, 0.2);
    }

    .pill-count {
      font-size: 0.7rem;
      background: rgba(255, 255, 255, 0.08);
      padding: 1px 6px;
      border-radius: var(--radius-full);
      color: inherit;
    }

    /* Search Input Box */
    .search-box {
      position: relative;
      min-width: 280px;
    }

    .search-input {
      width: 100%;
      background: rgba(10, 13, 20, 0.6);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-full);
      padding: 0.5rem 2.4rem 0.5rem 2.2rem;
      color: var(--text-primary);
      font-size: 0.84rem;
      outline: none;
      transition: all 0.2s ease;
    }

    .search-input:focus {
      border-color: var(--border-hover);
      background: rgba(14, 18, 28, 0.85);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

    .search-icon {
      position: absolute;
      left: 0.8rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      pointer-events: none;
      width: 14px;
      height: 14px;
    }

    .search-shortcut {
      position: absolute;
      right: 0.75rem;
      top: 50%;
      transform: translateY(-50%);
      font-size: 0.68rem;
      font-weight: 600;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.08);
      padding: 2px 5px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      pointer-events: none;
    }

    .search-clear {
      position: absolute;
      right: 0.75rem;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      font-size: 1rem;
      display: none;
      line-height: 1;
    }

    .search-clear:hover {
      color: var(--text-primary);
    }

    /* -------------------------------------------------------------
       App Cards Grid
       ------------------------------------------------------------- */
    .grid-section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1rem;
      padding: 0 0.5rem;
    }

    .grid-count {
      font-size: 0.82rem;
      color: var(--text-secondary);
      font-weight: 500;
    }

    .apps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 1.5rem;
    }

    /* Individual App Card */
    .app-card {
      background: var(--bg-surface);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 1.4rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 1.2rem;
      box-shadow: var(--shadow-md);
      transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
        border-color 0.22s ease,
        box-shadow 0.22s ease;
      position: relative;
      overflow: visible;
    }

    .app-card.has-menu-open {
      z-index: 200;
    }

    .app-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      border-top-left-radius: var(--radius-lg);
      border-top-right-radius: var(--radius-lg);
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
      opacity: 0;
      transition: opacity 0.2s ease;
    }

    .app-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-hover);
      box-shadow: var(--shadow-lg);
    }

    .app-card:hover::before {
      opacity: 1;
    }

    /* Card Top Header */
    .card-top {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
    }

    /* App Icon Slot */
    .app-icon-slot {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      flex-shrink: 0;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .app-icon-img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .app-icon-fallback {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.15rem;
      color: #ffffff;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
      letter-spacing: -0.02em;
    }

    .card-meta {
      flex: 1;
      min-width: 0;
    }

    .card-title-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.5rem;
      margin-bottom: 0.25rem;
      flex-wrap: wrap;
    }

    .app-title {
      font-size: 1.15rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .app-category-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 22px;
      font-size: 0.68rem;
      font-weight: 600;
      padding: 0 8px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-secondary);
      border: 1px solid rgba(255, 255, 255, 0.08);
      white-space: nowrap;
      box-sizing: border-box;
      line-height: 1;
    }

    .app-tagline {
      font-size: 0.78rem;
      color: #a5b4fc;
      font-weight: 500;
      margin-bottom: 0.45rem;
    }

    .app-desc {
      font-size: 0.82rem;
      color: var(--text-secondary);
      line-height: 1.45;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* Card Mid Details */
    .card-details {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.65rem 0.85rem;
      background: rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.04);
      font-size: 0.75rem;
    }

    .release-info {
      display: flex;
      flex-direction: column;
      gap: 0.15rem;
    }

    .active-badge-group {
      display: flex;
      align-items: center;
      gap: 0.35rem;
    }

    .active-tag-chip {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 700;
      color: #67e8f9;
      background: rgba(6, 182, 212, 0.12);
      padding: 1px 7px;
      border-radius: 4px;
      border: 1px solid rgba(6, 182, 212, 0.25);
      font-size: 0.73rem;
    }

    .updated-date {
      color: var(--text-muted);
      font-size: 0.7rem;
    }

    .releases-count-badge {
      color: var(--text-muted);
      font-size: 0.7rem;
    }

    /* Clickable Launch Links */
    .app-icon-link {
      display: block;
      text-decoration: none;
      color: inherit;
      border-radius: 14px;
      transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
      cursor: pointer;
    }

    .app-icon-link:hover {
      transform: scale(1.06);
      box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    }

    .app-title-link {
      text-decoration: none;
      color: inherit;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      transition: color 0.15s ease;
      cursor: pointer;
    }

    .app-title-link:hover .app-title {
      color: #818cf8;
    }

    .app-title-link .launch-icon-mini {
      width: 12px;
      height: 12px;
      color: var(--text-muted);
      opacity: 0;
      transform: translate(-3px, 3px);
      transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .app-title-link:hover .launch-icon-mini {
      opacity: 1;
      transform: translate(0, 0);
      color: #818cf8;
    }

    /* Clickable Active Version Dropdown */
    .version-dropdown-container {
      position: relative;
      display: inline-block;
    }

    .active-version-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-secondary);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      padding: 0.2rem 0.5rem;
      font-size: 0.72rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.18s ease;
      outline: none;
    }

    .active-version-btn:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.16);
      color: var(--text-primary);
    }

    .chip-chevron {
      width: 10px;
      height: 10px;
      color: var(--text-muted);
      transition: transform 0.2s ease, color 0.18s ease;
    }

    .active-version-btn:hover .chip-chevron,
    .active-version-btn.open .chip-chevron {
      color: var(--text-secondary);
      transform: rotate(180deg);
    }

    .version-menu {
      position: absolute;
      top: calc(100% + 6px);
      left: 0;
      min-width: 190px;
      max-height: 230px;
      overflow-y: auto;
      overscroll-behavior: contain;
      scrollbar-width: thin;
      scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
      background: rgba(14, 18, 28, 0.98);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-md);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.08);
      padding: 0.35rem;
      display: none;
      flex-direction: column;
      gap: 2px;
      z-index: 210;
      animation: menuIn 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    .version-menu::-webkit-scrollbar {
      width: 5px;
    }

    .version-menu::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.2);
      border-radius: 4px;
    }

    .version-menu.dropup {
      top: auto;
      bottom: calc(100% + 6px);
      animation: menuInDropup 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    @keyframes menuIn {
      from {
        opacity: 0;
        transform: translateY(-4px) scale(0.97);
      }

      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @keyframes menuInDropup {
      from {
        opacity: 0;
        transform: translateY(4px) scale(0.97);
      }

      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    .version-menu-header {
      font-size: 0.65rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-muted);
      padding: 4px 8px 2px;
    }

    .version-menu-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      background: none;
      border: none;
      border-radius: 6px;
      padding: 0.4rem 0.65rem;
      font-size: 0.78rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      color: var(--text-secondary);
      cursor: pointer;
      text-align: left;
      transition: all 0.15s ease;
    }

    .version-menu-item:hover {
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-primary);
    }

    .version-menu-item.active {
      color: var(--text-primary);
      font-weight: 600;
      background: rgba(255, 255, 255, 0.08);
    }

    /* -------------------------------------------------------------
       Empty State & Skeletons
       ------------------------------------------------------------- */
    .empty-state {
      grid-column: 1 / -1;
      text-align: center;
      padding: 4rem 1.5rem;
      background: var(--bg-surface);
      border: 1px dashed var(--border-subtle);
      border-radius: var(--radius-lg);
    }

    .empty-icon {
      font-size: 2.5rem;
      margin-bottom: 0.8rem;
    }

    .empty-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      color: var(--text-primary);
    }

    .empty-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      max-width: 480px;
      margin: 0 auto 1.5rem;
    }

    /* Skeleton Loading Cards */
    .skeleton-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 1.4rem;
      height: 240px;
      position: relative;
      overflow: hidden;
    }

    .skeleton-card::after {
      content: "";
      position: absolute;
      inset: 0;
      transform: translateX(-100%);
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
      animation: shimmer 1.5s infinite;
    }

    @keyframes shimmer {
      100% {
        transform: translateX(100%);
      }
    }

    /* -------------------------------------------------------------
       Footer Section
       ------------------------------------------------------------- */
    .hub-footer {
      margin-top: 4rem;
      padding-top: 2rem;
      border-top: 1px solid var(--border-subtle);
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    @media (min-width: 768px) {
      .hub-footer {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }
    }

    .footer-left {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }

    .footer-meta-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .footer-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    /* -------------------------------------------------------------
       Interactive Toast System
       ------------------------------------------------------------- */
    .toast-container {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      z-index: 9999;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      pointer-events: none;
    }

    .toast {
      pointer-events: auto;
      min-width: 300px;
      max-width: 420px;
      background: rgba(18, 22, 34, 0.95);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 0.85rem 1.1rem;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      transform: translateY(20px) scale(0.95);
      opacity: 0;
      animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    @keyframes toastIn {
      to {
        transform: translateY(0) scale(1);
        opacity: 1;
      }
    }

    .toast.toast-success {
      border-left: 4px solid var(--accent-emerald);
    }

    .toast.toast-info {
      border-left: 4px solid var(--accent-cyan);
    }

    .toast.toast-error {
      border-left: 4px solid var(--accent-rose);
    }

    .toast-icon {
      font-size: 1.1rem;
      flex-shrink: 0;
      margin-top: 1px;
    }

    .toast-content {
      flex: 1;
    }

    .toast-title {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 2px;
    }

    .toast-message {
      font-size: 0.76rem;
      color: var(--text-secondary);
      line-height: 1.4;
    }


    /* =============================================================
       Edit Suite Mode & App Management Controls
       ============================================================= */

    /* Edit Mode Toggle Button (Glass Theme default) */
    .btn-edit-mode {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.45rem 0.95rem;
      background: var(--bg-glass);
      color: var(--text-primary);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 500;
      font-family: inherit;
      text-transform: none;
      letter-spacing: normal;
      cursor: pointer;
      transition: all 0.2s ease;
      backdrop-filter: blur(8px);
    }

    .btn-edit-mode:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--border-hover);
      color: #ffffff;
      box-shadow: 0 0 15px var(--border-glow);
    }

    .btn-edit-mode svg {
      width: 14px;
      height: 14px;
      flex-shrink: 0;
      transition: transform 0.25s ease;
    }

    .btn-edit-mode:hover svg {
      transform: scale(1.12);
    }

    .btn-edit-mode.active {
      background: rgba(245, 158, 11, 0.18);
      color: #fbbf24;
      border-color: rgba(245, 158, 11, 0.5);
      box-shadow: 0 0 15px rgba(245, 158, 11, 0.25);
    }

    /* Edit Mode Toolbar Banner */
    .edit-mode-bar {
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.65rem 1.5rem;
      background: rgba(245, 158, 11, 0.08);
      border-bottom: 1px solid rgba(245, 158, 11, 0.25);
      backdrop-filter: blur(8px);
      position: sticky;
      top: 60px;
      z-index: 40;
      animation: fadeInDown 0.2s ease-out;
    }

    .edit-mode-bar.active {
      display: flex;
    }

    .edit-mode-info {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      flex-wrap: wrap;
    }

    .edit-mode-badge {
      display: inline-block;
      padding: 0.2rem 0.55rem;
      background: #f59e0b;
      color: #0c0d12;
      font-size: 0.68rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      border-radius: 3px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }

    .edit-mode-text {
      font-size: 0.82rem;
      color: #fbbf24;
      font-weight: 500;
    }

    .edit-mode-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    /* Card Edit Overlays & Action Buttons */
    .card-edit-overlay {
      position: absolute;
      top: 10px;
      right: 10px;
      display: flex;
      align-items: center;
      gap: 4px;
      z-index: 15;
      background: rgba(12, 13, 18, 0.88);
      padding: 3px 6px;
      border-radius: 6px;
      border: 1px solid var(--border-subtle);
      backdrop-filter: blur(6px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    .card-action-btn {
      width: 28px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: 1px solid transparent;
      border-radius: 4px;
      color: var(--text-secondary);
      font-size: 0.82rem;
      cursor: pointer;
      transition: all 0.15s ease;
      padding: 0;
    }

    .card-action-btn:hover {
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.15);
      transform: translateY(-1px);
    }

    .card-action-btn.btn-delete:hover {
      background: rgba(244, 63, 94, 0.2);
      border-color: rgba(244, 63, 94, 0.4);
      color: #fda4af;
    }

    .card-action-btn.btn-edit:hover {
      background: rgba(99, 102, 241, 0.2);
      border-color: rgba(99, 102, 241, 0.4);
      color: #c7d2fe;
    }

    .card-action-btn.btn-visibility:hover {
      background: rgba(245, 158, 11, 0.2);
      border-color: rgba(245, 158, 11, 0.4);
    }

    /* Hidden App Card State */
    .app-card.is-hidden {
      opacity: 0.55;
    }

    .app-card.is-hidden:hover {
      opacity: 0.55 !important;
      border-color: var(--border-subtle);
      box-shadow: none;
      transform: none;
    }

    .app-card.is-hidden:hover::before {
      opacity: 0 !important;
    }

    [data-theme="artcraft"] .app-card.is-hidden:hover {
      outline: none !important;
      border-color: #1a1e29;
      background: #0c0d12;
      box-shadow: none;
    }

    .hidden-badge {
      display: inline-flex;
      align-items: center;
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 2px 6px;
      border-radius: 3px;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-muted);
      border: 1px solid var(--border-subtle);
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      margin-left: 6px;
    }

    /* Add App Tile (Grid Item in Edit Mode) */
    .app-card.add-app-tile {
      display: flex !important;
      flex-direction: column !important;
      align-items: center !important;
      justify-content: center !important;
      min-height: 280px;
      background: rgba(255, 255, 255, 0.02);
      border: 2px dashed rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-md);
      cursor: pointer;
      text-align: center;
      padding: 2.5rem 1.5rem !important;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
    }

    .app-card.add-app-tile:hover,
    .app-card.add-app-tile:focus-visible {
      border-color: var(--accent-indigo);
      background: rgba(99, 102, 241, 0.06);
      transform: translateY(-2px);
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 16px rgba(99, 102, 241, 0.15);
      outline: none;
    }

    [data-theme="artcraft"] .app-card.add-app-tile {
      border-radius: 0 !important;
      border: 1px dashed #283044 !important;
      background: #0d0f17 !important;
      justify-content: center !important;
      align-items: center !important;
      padding: 2.5rem 1.5rem !important;
      min-height: 380px;
      transform: none;
    }

    [data-theme="artcraft"] .app-card.add-app-tile:hover {
      border-color: #4e7bfb !important;
      outline: 1px solid #4e7bfb;
      background: #111420 !important;
      box-shadow: 0 0 24px rgba(78, 123, 251, 0.2);
      transform: none;
    }

    /* Inner Container: ALWAYS Vertically and Horizontally Centered */
    .add-app-tile-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      margin: auto !important;
      gap: 0.85rem;
      width: 100%;
      max-width: 260px;
    }

    .add-app-tile-icon {
      width: 52px;
      height: 52px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      border: 1px dashed var(--border-subtle);
      color: var(--text-primary);
      margin-bottom: 0.2rem;
      transition: all 0.25s ease;
    }

    .add-app-tile-icon svg {
      width: 24px;
      height: 24px;
    }

    .app-card.add-app-tile:hover .add-app-tile-icon {
      background: rgba(78, 123, 251, 0.15);
      border-color: #4e7bfb;
      color: #4e7bfb;
      transform: scale(1.1);
    }

    [data-theme="glass"] .app-card.add-app-tile:hover .add-app-tile-icon {
      background: rgba(99, 102, 241, 0.15);
      border-color: var(--accent-indigo);
      color: var(--accent-indigo);
    }

    .add-app-tile-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0;
      letter-spacing: -0.01em;
    }

    .add-app-tile-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      max-width: 240px;
      line-height: 1.45;
      margin: 0;
    }

    .btn-add-tile-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-top: 0.4rem;
      padding: 0.45rem 1.1rem;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-subtle);
      border-radius: 4px;
      color: var(--text-primary);
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.74rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      cursor: pointer;
      pointer-events: none;
      transition: all 0.2s ease;
    }

    [data-theme="glass"] .btn-add-tile-action {
      border-radius: var(--radius-full);
      font-family: inherit;
      text-transform: none;
      letter-spacing: normal;
      font-size: 0.8rem;
      font-weight: 500;
    }

    .app-card.add-app-tile:hover .btn-add-tile-action {
      background: #4e7bfb;
      border-color: #4e7bfb;
      color: #ffffff;
      box-shadow: 0 0 16px rgba(78, 123, 251, 0.35);
    }

    [data-theme="glass"] .app-card.add-app-tile:hover .btn-add-tile-action {
      background: var(--accent-indigo);
      border-color: var(--accent-indigo);
      color: #ffffff;
      box-shadow: 0 0 16px rgba(99, 102, 241, 0.35);
    }

    /* Modal System */
    .modal-backdrop {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(6px);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      padding: 1.25rem;
      overflow-y: auto;
      animation: fadeIn 0.18s ease-out;
    }

    .modal-card {
      background: #11131a;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      width: 100%;
      max-width: 580px;
      box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.08);
      position: relative;
      overflow: hidden;
      animation: scaleUp 0.2s ease-out;
    }

    [data-theme="artcraft"] .modal-card {
      background: #0d0f15;
      border: 1px solid #242c3e;
      border-radius: 4px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.95);
    }

    .modal-card-sm {
      max-width: 440px;
    }

    .modal-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.35rem 1.5rem;
      border-bottom: 1px solid var(--border-subtle);
    }

    .modal-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0;
      letter-spacing: -0.01em;
    }

    .modal-subtitle {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 3px;
      display: block;
    }

    .modal-close {
      background: transparent;
      border: none;
      color: var(--text-muted);
      font-size: 1.4rem;
      line-height: 1;
      cursor: pointer;
      padding: 0.2rem 0.4rem;
      border-radius: 4px;
      transition: all 0.15s ease;
    }

    .modal-close:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.08);
    }

    .modal-body {
      padding: 1.35rem 1.5rem;
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .delete-warning {
      margin-top: 0.85rem;
      padding: 0.75rem 0.95rem;
      border-radius: 6px;
      background: rgba(244, 63, 94, 0.1);
      border: 1px solid rgba(244, 63, 94, 0.25);
      color: #fda4af;
      font-size: 0.82rem;
      line-height: 1.4;
    }

    .auth-error-message {
      margin-top: 0.65rem;
      padding: 0.65rem 0.85rem;
      border-radius: 4px;
      background: rgba(244, 63, 94, 0.12);
      border: 1px solid rgba(244, 63, 94, 0.3);
      color: #fda4af;
      font-size: 0.82rem;
      line-height: 1.4;
    }

    .modal-form {
      padding: 1.35rem 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1.1rem;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 0.45rem;
    }

    .form-row {
      display: flex;
      gap: 1rem;
    }

    .form-row .flex-1 {
      flex: 1;
    }

    .form-label {
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--text-secondary);
      letter-spacing: 0.02em;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .form-label .required {
      color: #f43f5e;
    }

    .form-tip {
      font-size: 0.72rem;
      color: var(--text-muted);
      font-weight: normal;
      margin-left: auto;
    }

    .form-input, .form-textarea {
      width: 100%;
      background: rgba(0, 0, 0, 0.35);
      border: 1px solid var(--border-subtle);
      border-radius: 6px;
      padding: 0.55rem 0.8rem;
      color: var(--text-primary);
      font-size: 0.86rem;
      font-family: inherit;
      transition: all 0.15s ease;
      box-sizing: border-box;
    }

    [data-theme="artcraft"] .form-input,
    [data-theme="artcraft"] .form-textarea {
      background: #08090d;
      border: 1px solid #1e2433;
      border-radius: 3px;
    }

    .form-input:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--accent-indigo);
      box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
    }

    [data-theme="artcraft"] .form-input:focus,
    [data-theme="artcraft"] .form-textarea:focus {
      border-color: #4e7bfb;
      box-shadow: 0 0 0 2px rgba(78, 123, 251, 0.25);
    }

    .form-textarea {
      resize: vertical;
      min-height: 56px;
    }

    .input-with-action {
      display: flex;
      gap: 0.5rem;
    }

    .input-with-action .form-input {
      flex: 1;
    }

    .btn-auto-detect {
      padding: 0.55rem 0.9rem;
      background: rgba(99, 102, 241, 0.15);
      border: 1px solid rgba(99, 102, 241, 0.35);
      color: #c7d2fe;
      border-radius: 6px;
      font-size: 0.78rem;
      font-weight: 600;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.15s ease;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }

    .btn-auto-detect:hover {
      background: rgba(99, 102, 241, 0.25);
      color: #ffffff;
      border-color: #6366f1;
    }

    .category-select-wrap {
      position: relative;
    }

    .color-picker-wrap {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .color-swatch-input {
      -webkit-appearance: none;
      appearance: none;
      width: 36px;
      height: 34px;
      border: 1px solid var(--border-subtle);
      border-radius: 4px;
      background: transparent;
      cursor: pointer;
      padding: 0;
      overflow: hidden;
    }

    .color-swatch-input::-webkit-color-swatch-wrapper {
      padding: 0;
    }

    .color-swatch-input::-webkit-color-swatch {
      border: none;
    }

    .color-hex-input {
      flex: 1;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      text-transform: uppercase;
    }

    .form-options {
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      padding-top: 0.25rem;
    }

    .checkbox-label {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      cursor: pointer;
      font-size: 0.84rem;
      color: var(--text-secondary);
      user-select: none;
    }

    .checkbox-label input[type="checkbox"] {
      width: 16px;
      height: 16px;
      accent-color: var(--accent-indigo);
      cursor: pointer;
    }

    .modal-footer {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 0.75rem;
      padding-top: 0.75rem;
      border-top: 1px solid var(--border-subtle);
    }

    /* Modal Button Styles */
    .btn-primary {
      background: #ffffff;
      color: #000000;
      border: 1px solid #ffffff;
      border-radius: 4px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 700;
      font-size: 0.78rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 0.55rem 1.15rem;
      cursor: pointer;
      transition: all 0.18s ease;
    }

    .btn-primary:hover:not(:disabled) {
      background: #e2e8f0;
      border-color: #e2e8f0;
      box-shadow: 0 0 16px rgba(255, 255, 255, 0.3);
    }

    .btn-secondary {
      background: transparent;
      color: var(--text-secondary);
      border: 1px solid var(--border-subtle);
      border-radius: 4px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 600;
      font-size: 0.78rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 0.55rem 1rem;
      cursor: pointer;
      transition: all 0.18s ease;
    }

    .btn-secondary:hover:not(:disabled) {
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.2);
    }

    .btn-danger {
      background: #dc2626;
      color: #ffffff;
      border: 1px solid #ef4444;
      border-radius: 4px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 700;
      font-size: 0.78rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 0.55rem 1.15rem;
      cursor: pointer;
      transition: all 0.18s ease;
    }

    .btn-danger:hover:not(:disabled) {
      background: #b91c1c;
      border-color: #dc2626;
      box-shadow: 0 0 16px rgba(239, 68, 68, 0.35);
    }

    @keyframes fadeInDown {
      from {
        opacity: 0;
        transform: translateY(-8px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes scaleUp {
      from {
        opacity: 0;
        transform: scale(0.96);
      }
      to {
        opacity: 1;
        transform: scale(1);
      }
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
      }
      to {
        opacity: 1;
      }
    }