/**
 * ZenithIstanbul - UI Components, Header & Modals
 */
    /* TOP HEADER BAR */
    header.top-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      backdrop-filter: blur(16px);
      padding: 12px 20px;
      border-radius: 14px;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
      gap: 16px;
      flex-wrap: wrap;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-icon {
      font-size: 26px;
      filter: drop-shadow(0 0 10px var(--accent-cyan));
    }

    .brand-text h1 {
      font-size: 19px;
      font-weight: 700;
      letter-spacing: 1px;
      background: linear-gradient(90deg, #ffffff 0%, var(--accent-cyan) 60%, var(--accent-pink) 100%);
      background-clip: text;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .brand-text p {
      font-size: 10px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

    .header-controls {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    /* GitHub Input Bar */
    .github-fetch-bar {
      display: flex;
      align-items: center;
      background: rgba(14, 23, 44, 0.85);
      border: 1px solid rgba(0, 240, 255, 0.35);
      border-radius: 8px;
      padding: 2px 4px;
    }

    .github-fetch-bar input {
      background: transparent;
      border: none;
      color: var(--text-main);
      padding: 6px 10px;
      font-size: 12px;
      outline: none;
      width: 170px;
      font-family: 'JetBrains Mono', monospace;
    }

    .github-fetch-bar button {
      background: var(--accent-cyan);
      color: #060913;
      border: none;
      padding: 5px 10px;
      border-radius: 6px;
      font-size: 11px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s;
    }

    .github-fetch-bar button:hover {
      background: #ffffff;
      box-shadow: 0 0 10px var(--accent-cyan);
    }

    select, button.btn-control {
      background: rgba(16, 26, 48, 0.85);
      border: 1px solid rgba(0, 240, 255, 0.35);
      color: var(--text-main);
      padding: 7px 12px;
      border-radius: 8px;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 12px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s ease;
      outline: none;
    }

    select:hover, button.btn-control:hover {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }

    button.btn-primary {
      background: linear-gradient(135deg, rgba(0, 240, 255, 0.25), rgba(255, 0, 127, 0.25));
      border: 1px solid var(--accent-cyan);
    }

    button.btn-report {
      border-color: var(--accent-gold);
      color: var(--accent-gold);
    }

    /* SEARCH BAR (CENTER TOP) */
    .search-box {
      display: flex;
      align-items: center;
      background: rgba(14, 23, 44, 0.8);
      border: 1px solid rgba(0, 240, 255, 0.3);
      border-radius: 8px;
      padding: 2px 10px;
    }

    .search-box input {
      background: transparent;
      border: none;
      color: var(--text-main);
      font-size: 12px;
      padding: 6px 4px;
      outline: none;
      width: 140px;
      font-family: 'Space Grotesk', sans-serif;
    }

    /* Filter buttons styling */
    .filter-group-wrapper {
      display: flex;
      gap: 4px;
      background: rgba(6, 11, 24, 0.7);
      padding: 4px;
      border-radius: 6px;
      border: 1px solid rgba(255,255,255,0.06);
    }
    .btn-filter {
      flex: 1;
      padding: 4px 6px;
      font-size: 10px;
      background: transparent;
      color: var(--text-muted);
      border: 1px solid transparent;
      border-radius: 4px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .btn-filter.active {
      background: var(--accent-cyan);
      color: #060913;
    }

    /* ─── Light Mode Overrides (Explicit & Comprehensive) ─── */
    :root[data-theme="light"] .brand-title,
    :root[data-theme="light"] .brand-text h1,
    body.light-theme .brand-title,
    body.light-theme .brand-text h1 {
      background: linear-gradient(135deg, #0f172a 0%, #0284c7 100%) !important;
      background-clip: text !important;
      -webkit-background-clip: text !important;
      -webkit-text-fill-color: transparent !important;
    }
    :root[data-theme="light"] .brand-text p,
    body.light-theme .brand-text p {
      color: #475569 !important;
    }

    :root[data-theme="light"] input,
    :root[data-theme="light"] select,
    :root[data-theme="light"] .search-box,
    :root[data-theme="light"] .github-fetch-bar,
    :root[data-theme="light"] #input-github-repo,
    :root[data-theme="light"] #sample-select,
    :root[data-theme="light"] #input-search,
    body.light-theme input,
    body.light-theme select,
    body.light-theme .search-box,
    body.light-theme .github-fetch-bar,
    body.light-theme #input-github-repo,
    body.light-theme #sample-select,
    body.light-theme #input-search {
      background: #ffffff !important;
      color: #0f172a !important;
      border: 1px solid #cbd5e1 !important;
    }
    :root[data-theme="light"] select option,
    body.light-theme select option {
      background: #ffffff !important;
      color: #0f172a !important;
    }
    :root[data-theme="light"] .search-box input,
    :root[data-theme="light"] .github-fetch-bar input,
    body.light-theme .search-box input,
    body.light-theme .github-fetch-bar input {
      color: #0f172a !important;
    }
    :root[data-theme="light"] .search-box input::placeholder,
    :root[data-theme="light"] .github-fetch-bar input::placeholder,
    body.light-theme .search-box input::placeholder,
    body.light-theme .github-fetch-bar input::placeholder {
      color: #94a3b8 !important;
    }

    :root[data-theme="light"] .gauge-wrapper,
    :root[data-theme="light"] .gauge-card,
    body.light-theme .gauge-wrapper,
    body.light-theme .gauge-card {
      background: rgba(241, 245, 249, 0.85) !important;
      border: 1px solid #cbd5e1 !important;
      color: #0f172a !important;
    }
    :root[data-theme="light"] .gauge-info h3,
    body.light-theme .gauge-info h3 {
      color: #0f172a !important;
    }
    :root[data-theme="light"] .gauge-info p,
    :root[data-theme="light"] #gauge-status-desc,
    body.light-theme .gauge-info p,
    body.light-theme #gauge-status-desc {
      color: #475569 !important;
    }

    :root[data-theme="light"] .filter-group-wrapper,
    body.light-theme .filter-group-wrapper {
      background: rgba(241, 245, 249, 0.9) !important;
      border-color: #cbd5e1 !important;
    }
    :root[data-theme="light"] .btn-filter,
    body.light-theme .btn-filter {
      background: #e2e8f0 !important;
      color: #334155 !important;
      border: 1px solid #cbd5e1 !important;
    }
    :root[data-theme="light"] .btn-filter:hover,
    body.light-theme .btn-filter:hover {
      background: #cbd5e1 !important;
      color: #0f172a !important;
    }
    :root[data-theme="light"] .btn-filter.active,
    body.light-theme .btn-filter.active {
      background: #0284c7 !important;
      color: #ffffff !important;
      border-color: #0284c7 !important;
    }

    :root[data-theme="light"] .radar-pill,
    body.light-theme .radar-pill {
      background: #f1f5f9 !important;
      color: #0f172a !important;
      border: 1px solid #cbd5e1 !important;
    }
    :root[data-theme="light"] .radar-pill:hover,
    body.light-theme .radar-pill:hover {
      background: #0284c7 !important;
      color: #ffffff !important;
      border-color: #0284c7 !important;
      box-shadow: 0 0 8px rgba(2, 132, 199, 0.4) !important;
    }

    :root[data-theme="light"] #building-tooltip,
    body.light-theme #building-tooltip {
      background: rgba(255, 255, 255, 0.95) !important;
      color: #0f172a !important;
      border: 1px solid #cbd5e1 !important;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
    }

    /* Modal Overlay & Cards */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(8px);
      z-index: 999999;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .modal-card {
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 12px;
      padding: 24px;
      box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(16px);
      color: var(--text-main);
    }
    :root[data-theme="light"] .modal-card,
    body.light-theme .modal-card {
      background: #ffffff !important;
      border-color: #cbd5e1 !important;
      box-shadow: 0 16px 48px rgba(15, 23, 42, 0.15) !important;
      color: #0f172a !important;
    }

  
    /* ─── Export Popover Menu Styling ─── */
    .export-dropdown-wrapper {
      position: relative;
      display: inline-block;
    }
    .export-popover {
      position: absolute;
      top: calc(100% + 6px);
      right: 0;
      min-width: 290px;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-radius: 10px;
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5), 0 0 16px var(--hud-shadow);
      padding: 6px;
      z-index: 99999;
      display: flex;
      flex-direction: column;
      gap: 4px;
      animation: popoverFadeIn 0.2s ease;
    }
    @keyframes popoverFadeIn {
      from { opacity: 0; transform: translateY(-4px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .export-popover-header {
      font-size: 10px;
      font-weight: 700;
      color: var(--text-muted);
      padding: 6px 8px 4px 8px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .export-popover-divider {
      height: 1px;
      background: var(--panel-border);
      margin: 3px 0;
    }
    .export-popover-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 10px;
      background: transparent;
      border: 1px solid transparent;
      border-radius: 6px;
      cursor: pointer;
      text-align: left;
      color: var(--text-main);
      transition: all 0.2s ease;
      font-family: inherit;
      width: 100%;
    }
    .export-popover-item:hover {
      background: rgba(0, 240, 255, 0.08);
      border-color: rgba(0, 240, 255, 0.25);
    }
    .export-item-icon {
      font-size: 18px;
      flex-shrink: 0;
    }
    .export-item-text strong {
      display: block;
      font-size: 11px;
      color: var(--text-main);
    }
    .export-item-text small {
      display: block;
      font-size: 9.5px;
      color: var(--text-muted);
      margin-top: 2px;
    }
    :root[data-theme="light"] .export-popover,
    body.light-theme .export-popover {
      background: rgba(255, 255, 255, 0.97) !important;
      border-color: #cbd5e1 !important;
      box-shadow: 0 12px 36px rgba(15, 23, 42, 0.15) !important;
      color: #0f172a !important;
    }
    :root[data-theme="light"] .export-popover-item:hover,
    body.light-theme .export-popover-item:hover {
      background: #f1f5f9 !important;
      border-color: #0284c7 !important;
    }
    :root[data-theme="light"] .export-item-text strong,
    body.light-theme .export-item-text strong {
      color: #0f172a !important;
    }
    :root[data-theme="light"] .export-item-text small,
    body.light-theme .export-item-text small {
      color: #64748b !important;
    }

    /* ─── Responsive Adaptive Clusters ─── */
    header.top-bar, .top-bar {
      display: flex !important;
      align-items: center !important;
      justify-content: space-between !important;
      gap: 8px !important;
      overflow-x: auto !important; /* Küçük ekranlarda bileşenlerin birbirini ezmesini engelle */
      white-space: nowrap !important;
      scrollbar-width: thin !important;
      scrollbar-color: var(--accent-cyan) rgba(6, 11, 24, 0.7) !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-bottom: 7px !important;
      scroll-behavior: smooth;
    }
    header.top-bar::-webkit-scrollbar, .top-bar::-webkit-scrollbar {
      height: 4px !important;
      display: block !important;
    }
    header.top-bar::-webkit-scrollbar-track, .top-bar::-webkit-scrollbar-track {
      background: rgba(6, 11, 24, 0.6) !important;
      border-radius: 4px !important;
      margin: 0 16px !important;
    }
    header.top-bar::-webkit-scrollbar-thumb, .top-bar::-webkit-scrollbar-thumb {
      background: linear-gradient(90deg, #00f0ff, #00e676, #ff007f) !important;
      border-radius: 4px !important;
      box-shadow: 0 0 8px rgba(0, 240, 255, 0.6) !important;
    }
    header.top-bar::-webkit-scrollbar-thumb:hover, .top-bar::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(90deg, #ffffff, #00f0ff, #00e676) !important;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.9) !important;
    }

    :root[data-theme="light"] header.top-bar,
    body.light-theme header.top-bar {
      scrollbar-color: #0284c7 rgba(226, 232, 240, 0.8) !important;
    }
    :root[data-theme="light"] header.top-bar::-webkit-scrollbar-track,
    body.light-theme header.top-bar::-webkit-scrollbar-track {
      background: rgba(226, 232, 240, 0.8) !important;
    }
    :root[data-theme="light"] header.top-bar::-webkit-scrollbar-thumb,
    body.light-theme header.top-bar::-webkit-scrollbar-thumb {
      background: linear-gradient(90deg, #0284c7, #16a34a) !important;
      box-shadow: 0 0 6px rgba(2, 132, 199, 0.4) !important;
    }
    .brand-sub {
      line-height: 1.2 !important;
      white-space: nowrap !important;
    }
    .toolbar-cluster-left {
      flex: 0 0 auto !important;
      display: flex !important;
      align-items: center !important;
      gap: 8px !important;
    }
    .toolbar-cluster-center {
      flex: 0 0 auto !important;
      display: flex !important;
      align-items: center !important;
      gap: 6px !important;
      justify-content: center !important;
    }
    .toolbar-cluster-right {
      flex: 0 0 auto !important;
      display: flex !important;
      align-items: center !important;
      gap: 5px !important;
    }

    .repo-input-wrapper {
      display: flex !important;
      align-items: center !important;
      gap: 6px !important;
      flex: 0 0 auto !important;
    }
    #input-github-repo {
      width: 170px !important;
      flex: 0 0 170px !important;
      padding-right: 8px !important; /* Butonların girdinin içine taşmasını engelle */
      background: rgba(14, 23, 44, 0.85);
      border: 1px solid rgba(0, 240, 255, 0.35);
      border-radius: 8px;
      color: var(--text-main);
      padding: 6px 8px !important;
      font-size: 12px;
      outline: none;
      font-family: 'JetBrains Mono', monospace;
      box-sizing: border-box !important;
    }
    :root[data-theme="light"] #input-github-repo,
    body.light-theme #input-github-repo {
      background: #ffffff !important;
      border-color: #cbd5e1 !important;
      color: #0f172a !important;
    }
    #btn-fetch-github, .btn-ingest {
      background: var(--accent-cyan);
      color: #060913;
      border: none;
      padding: 6px 10px !important;
      border-radius: 8px;
      font-size: 11px;
      font-weight: 700;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.2s;
      flex: 0 0 auto !important;
    }
    #btn-fetch-github:hover, .btn-ingest:hover {
      background: #ffffff;
      box-shadow: 0 0 10px var(--accent-cyan);
    }
    #sample-select {
      min-width: 210px !important;
      flex: 0 0 210px !important;
      text-overflow: ellipsis !important;
      white-space: nowrap !important;
      overflow: hidden !important;
    }
    .search-box {
      flex: 0 0 auto !important;
      min-width: 140px !important;
      display: flex !important;
      align-items: center !important;
      background: rgba(14, 23, 44, 0.8) !important;
      border: 1px solid rgba(0, 240, 255, 0.3) !important;
      border-radius: 8px !important;
      padding: 2px 8px !important;
      box-sizing: border-box !important;
    }
    :root[data-theme="light"] .search-box,
    body.light-theme .search-box {
      background: #ffffff !important;
      border-color: #cbd5e1 !important;
    }
    .search-box input, #input-search {
      min-width: 110px !important;
      width: 110px !important;
      flex: 0 0 110px !important;
      background: transparent !important;
      border: none !important;
      color: var(--text-main) !important;
      font-size: 12px !important;
      padding: 5px 4px !important;
      outline: none !important;
      font-family: 'Space Grotesk', sans-serif !important;
      box-sizing: border-box !important;
    }
    :root[data-theme="light"] #input-search,
    body.light-theme #input-search {
      color: #0f172a !important;
    }

    /* Mobile Overflow Drawer */
    .mobile-overflow-drawer {
      position: fixed;
      top: 52px;
      right: 12px;
      width: calc(100vw - 24px);
      max-width: 330px;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-radius: 12px;
      padding: 12px;
      box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 20px var(--hud-shadow);
      z-index: 999999;
      animation: popoverFadeIn 0.2s ease;
    }
    :root[data-theme="light"] .mobile-overflow-drawer,
    body.light-theme .mobile-overflow-drawer {
      background: rgba(255, 255, 255, 0.98) !important;
      border-color: #cbd5e1 !important;
      box-shadow: 0 16px 48px rgba(15, 23, 42, 0.18) !important;
      color: #0f172a !important;
    }
    .mobile-drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--panel-border);
      padding-bottom: 6px;
      margin-bottom: 8px;
    }
    .mobile-drawer-header strong {
      font-size: 11.5px;
      color: var(--accent-cyan);
    }
    :root[data-theme="light"] .mobile-drawer-header strong,
    body.light-theme .mobile-drawer-header strong {
      color: #0284c7 !important;
    }
    .mobile-group label {
      font-size: 10px;
      font-weight: 600;
      color: var(--text-muted);
    }