/* --- Base layout and theme --- */
    html {
      /* Aviation-inspired gradient: dusk sky blue - lighter but still easy on eyes */
      background: linear-gradient(135deg, #1a2d4a 0%, #2a4060 50%, #1e3550 100%);
      /* Reserve scrollbar gutter to avoid layout shift when scrollbar appears */
      scrollbar-gutter: stable;
    }
    body {
      min-height: 100vh;
      overflow-x: hidden;
      font-family: 'Exo 2', system-ui, sans-serif;
      transition: filter 1500ms ease;
    }
    /* Aviation mono font for data, codes, and numbers */
    .font-mono, code, .data-value, td, th {
      font-family: 'Share Tech Mono', monospace;
    }
    .glass {
      background: rgba(20, 45, 80, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(100, 180, 255, 0.25);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    }
    .table-glass {
      background: rgba(18, 38, 65, 0.75);
      backdrop-filter: blur(8px);
      box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
    }

    /* --- Background weather overlay --- */
    #wx-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      overflow: hidden;
      z-index: 0;
      pointer-events: none;
      opacity: 0.25;
    }

    /* Reduce flicker by promoting heavy layers to their own compositor layers */
    #fx-overlay, #wx-overlay, .glass, .table-glass, #routes-table, #routes-body, #routes-cards {
      will-change: transform, opacity;
      -webkit-transform: translateZ(0);
      transform: translateZ(0);
      backface-visibility: hidden;
    }
    /* Containment & paint hints to reduce repaint scope */
    .glass, .table-glass { contain: paint; }

    /* On narrow screens, backdrop-filter and heavy FX can cause jank/flicker
       Disable the expensive blur/animations and simplify backgrounds to
       avoid forcing continuous repaints on mobile GPUs. */
    @media (max-width: 900px) {
      .glass, .table-glass {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(0,0,0,0.28) !important;
        border: 1px solid rgba(255,255,255,0.06) !important;
      }

      /* Reduce FX overlay complexity on small viewports */
      #fx-overlay .fog, #fx-overlay .clouds, #fx-overlay .snow, #fx-overlay .rain, #fx-overlay .lightning {
        display: none !important;
        opacity: 0 !important;
        pointer-events: none !important;
      }

      /* Hide animated decorative lines to avoid repaint churn */
      #wx-overlay .wx-line { display: none !important; }

      /* Cards & table rows: prefer simple backgrounds */
      #routes-table, #routes-body, #routes-cards, tr, .glass { box-shadow: none !important; }
    }

    /* Fixed table layout on desktop to keep column widths stable and avoid
       table auto-sizing reflows during scroll/resize which can cause jitter. */
    @media (min-width: 768px) {
      #routes-table { table-layout: fixed; width: 100%; min-width: 1100px; }
      /* Example column widths (adjust if you prefer different proportions) */
      #routes-table th:nth-child(1) { width: 7%; } /* From */
      #routes-table th:nth-child(2) { width: 7%; } /* To */
      #routes-table th:nth-child(3) { width: 5%; } /* Severity */
      #routes-table th:nth-child(4) { width: 5%;  } /* Dist */
      #routes-table th:nth-child(5) { width: 5%;  } /* ETA (hrs) */
      #routes-table th:nth-child(6) { width: 5%;  } /* ETA UTC */
      #routes-table th:nth-child(7) { width: 6%;  } /* ETA Local */
      #routes-table th:nth-child(8) { width: 4%;  } /* Conf. */
      #routes-table th:nth-child(9) { width: 10%; } /* Dep WX */
      #routes-table th:nth-child(10) { width: 10%; } /* Arr WX */
      #routes-table th:nth-child(11){ width: 11%; } /* Arr Window */
      #routes-table th:nth-child(12){ width: 4%;  } /* Details */
      #routes-table th:nth-child(13){ width: 4%;  } /* Plan */
    }

    /* Horizontal scroll container with fade indicators */
    .table-scroll-container {
      position: relative;
      overflow: hidden;
      border-radius: 0.5rem;
    }
    .table-scroll-container .scroll-inner {
      overflow-x: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(100, 180, 255, 0.3) transparent;
    }
    .table-scroll-container .scroll-inner::-webkit-scrollbar {
      height: 8px;
    }
    .table-scroll-container .scroll-inner::-webkit-scrollbar-track {
      background: rgba(0, 0, 0, 0.2);
      border-radius: 4px;
    }
    .table-scroll-container .scroll-inner::-webkit-scrollbar-thumb {
      background: rgba(100, 180, 255, 0.3);
      border-radius: 4px;
    }
    .table-scroll-container .scroll-inner::-webkit-scrollbar-thumb:hover {
      background: rgba(100, 180, 255, 0.5);
    }
    /* Shadow indicators */
    .table-scroll-container::before,
    .table-scroll-container::after {
      content: '';
      position: absolute;
      top: 0;
      bottom: 8px; /* Account for scrollbar */
      width: 40px;
      pointer-events: none;
      z-index: 10;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .table-scroll-container::before {
      left: 0;
      background: linear-gradient(to right, rgba(26, 45, 74, 0.95), transparent);
    }
    .table-scroll-container::after {
      right: 0;
      background: linear-gradient(to left, rgba(26, 45, 74, 0.95), transparent);
    }
    .table-scroll-container.can-scroll-left::before { opacity: 1; }
    .table-scroll-container.can-scroll-right::after { opacity: 1; }

    /* Sortable column headers */
    .sortable-header {
      cursor: pointer;
      user-select: none;
      transition: background-color 0.15s ease;
    }
    .sortable-header:hover {
      background: rgba(100, 180, 255, 0.1);
    }
    .sortable-header .sort-icon {
      opacity: 0.3;
      transition: opacity 0.15s ease, transform 0.15s ease;
      margin-left: 4px;
      font-size: 14px;
    }
    .sortable-header:hover .sort-icon {
      opacity: 0.6;
    }
    .sortable-header.sort-active .sort-icon {
      opacity: 1;
      color: #67e8f9; /* cyan-300 */
    }
    .sortable-header.sort-desc .sort-icon {
      transform: rotate(180deg);
    }
    .wx-line {
      position: absolute;
      white-space: nowrap;
      color: rgba(255, 255, 255, 0.6);
      font-family: 'Share Tech Mono', monospace;
      opacity: 0; /* Start invisible until animation kicks in */
      animation: rise linear forwards;
    }
    /* Weather icon layout: allow wrapping inside the cell and prevent overlap */
    .wx-icons { display:flex; flex-wrap:wrap; gap:0.25rem; align-items:center; }
    .wx-icon-btn { flex: 0 0 auto; }
    .routes-wx-cell { overflow: hidden; }
    @keyframes rise {
      0% { transform: translateY(0); opacity: 0.7; }
      95% { opacity: 0.7; }
      100% { transform: translateY(-120vh); opacity: 0; }
    }
    /* Subtle link style for ICAO codes */
    .icao-link {
      color: rgba(180, 230, 255, 0.92);
      text-decoration-line: underline;
      text-decoration-style: dotted;
      text-decoration-color: rgba(100, 200, 255, 0.35);
      text-underline-offset: 2px;
      transition: color .15s ease, text-decoration-color .15s ease;
      cursor: pointer;
    }
    .icao-link:hover { text-decoration-color: rgba(100, 200, 255, 0.8); color: #e0f4ff; }
    .icao-link:focus { outline: none; box-shadow: 0 0 0 3px rgba(100, 200, 255, 0.25); border-radius: 4px; }

    /* Fly Now toast animation */
    @keyframes slideIn { 0% { transform: translateX(100%); opacity: 0; } 100% { transform: translateX(0); opacity: 1; } }
    @keyframes slideOut { 0% { transform: translateX(0); opacity: 1; } 100% { transform: translateX(100%); opacity: 0; } }
    .toast-enter { animation: slideIn 0.3s ease-out forwards; }
    .toast-exit { animation: slideOut 0.3s ease-in forwards; }

    /* Clickable weather icon buttons */
    .wx-icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 2px;
      border-radius: 6px;
      border: 1px solid rgba(255,255,255,0.15);
      background: rgba(255,255,255,0.06);
      cursor: pointer;
      transition: background-color .15s ease, transform .06s ease, border-color .15s ease;
    }
    .wx-icon-btn:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); }
    .wx-icon-btn:active { transform: translateY(1px); }
    .wx-icon-btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,255,255,0.25); }

    /* --- Theming for time of day --- */
    body.theme-morning { background: radial-gradient(120% 120% at 80% 0%, rgba(255,205,105,0.45) 0%, rgba(255,205,105,0) 40%), linear-gradient(135deg, #f6d365 0%, #fda085 100%); }
    body.theme-day { background: linear-gradient(135deg, #254b88 0%, #3b6cc2 100%); }
    body.theme-evening { background: radial-gradient(120% 120% at 80% 0%, rgba(255,160,122,0.35) 0%, rgba(255,160,122,0) 45%), linear-gradient(135deg, #5f72bd 0%, #9b23ea 100%); }
    body.theme-night { background: radial-gradient(120% 120% at 80% -10%, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 35%), linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%); }

    /* --- FX overlay --- */
    #fx-overlay { position: fixed; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
    #fx-overlay .veil { position: absolute; inset: 0; background: rgba(0,0,0,0.0); transition: background 800ms ease; }
    body.theme-night #fx-overlay .veil { background: rgba(0,0,0,0.18); }
    body.theme-day #fx-overlay .veil {
      background:
        radial-gradient(55% 40% at 75% 12%, rgba(255,255,255,0.06), rgba(255,255,255,0) 60%),
        rgba(0,0,0,0.06);
    }

    /* Sun / Moon */
    #fx-sun, #fx-moon { position: absolute; right: 4%; top: 6%; opacity: 0; transform: translateY(0px); transition: opacity 600ms ease, transform 600ms ease; filter: drop-shadow(0 6px 12px rgba(255,255,255,0.18)); }
    #fx-sun.show, #fx-moon.show { opacity: 0.9; transform: translateY(-4px); }
    @keyframes floatSoft { 0% { transform: translateY(0px);} 50% { transform: translateY(-3px);} 100% { transform: translateY(0px);} }
    #fx-sun iconify-icon, #fx-moon iconify-icon { animation: floatSoft 6s ease-in-out infinite; }

    /* Fog */
    .fog { position:absolute; inset:-5%; opacity:0; transition: opacity 1200ms ease; background:
      radial-gradient(600px 300px at 20% 80%, rgba(255,255,255,0.06), transparent 70%),
      radial-gradient(500px 250px at 70% 20%, rgba(255,255,255,0.05), transparent 70%),
      radial-gradient(700px 350px at 50% 60%, rgba(255,255,255,0.04), transparent 70%);
      filter: blur(6px);
    }
    .show-fog .fog { opacity: 0.45; }
    @keyframes fogMove { 0% { background-position: 0 0, 0 0, 0 0; } 100% { background-position: 80px 0, -60px 0, 40px 0; } }
    .fog { animation: fogMove 20s linear infinite; }

    /* Rain */
    .rain { position:absolute; inset:0; opacity:0; transition: opacity 1200ms ease; }
    .show-rain .rain { opacity: 0.35; }
    .drop { position:absolute; width:1.5px; height:14px; background: linear-gradient(to bottom, rgba(255,255,255,0.5), rgba(255,255,255,0.05)); border-radius: 1px; animation: drop 1.2s linear infinite; transform: translateY(-20%); }
    @keyframes drop { to { transform: translateY(130vh); } }

    /* Snow (optional, subtle) */
    .snow { position:absolute; inset:0; opacity:0; transition: opacity 1200ms ease; }
    .show-snow .snow { opacity: 0.4; }
    .flake { position:absolute; width:2px; height:2px; background: rgba(255,255,255,0.9); border-radius:50%; animation: flake 6s linear infinite; filter: drop-shadow(0 0 2px rgba(255,255,255,0.6)); }
    @keyframes flake { to { transform: translate3d(10px, 100vh, 0); opacity: 0.4; } }

    /* Clouds */
    .clouds { position:absolute; inset:0; opacity:0; transition: opacity 1400ms ease; }
    .show-clouds .clouds { opacity: 0.25; }
    .cloud { position:absolute; width:180px; height:60px; background: radial-gradient(ellipse 100% 100% at 50% 50%, rgba(150,180,200,0.3), rgba(150,180,200,0.05) 70%, transparent 100%); filter: blur(8px); border-radius: 50%; box-shadow: 50px 10px 30px 15px rgba(150,180,200,0.12), -30px -5px 20px 10px rgba(150,180,200,0.08); animation: cloudDrift 50s linear infinite; }
    @keyframes cloudDrift { 0% { transform: translateX(-40vw);} 100% { transform: translateX(120vw);} }

    /* Lightning (TS) */
    .lightning { position:absolute; inset:0; opacity:0; transition: opacity 140ms ease; mix-blend-mode: screen; pointer-events: none; }
    .lightning.flash { opacity: 0.22; }

    /* --- Mini sticky header --- */
    #mini-header { position: fixed; top: 0; left: 0; right: 0; z-index: 40; transform: translateY(-100%); transition: transform 300ms ease; padding-top: env(safe-area-inset-top); }
    #mini-header.show { transform: translateY(0); }
    #mini-header .mini-bar { background: rgba(0,0,0,0.25); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,0.2); box-shadow: 0 4px 18px rgba(0,0,0,0.15); }
    #mini-header a:hover { text-decoration: underline; }
    #mini-header .edge { position: absolute; left: 0; right: 0; bottom: -14px; height: 14px; background: linear-gradient(to bottom, rgba(0,0,0,0.18), rgba(0,0,0,0)); pointer-events: none; }

    /* --- Tutorial modal --- */
    #tutorial-modal .scroll-inner {
      scrollbar-width: thin;
      scrollbar-color: rgba(100, 180, 255, 0.3) transparent;
    }
    #tutorial-modal ::-webkit-scrollbar { width: 8px; }
    #tutorial-modal ::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); border-radius: 4px; }
    #tutorial-modal ::-webkit-scrollbar-thumb { background: rgba(100, 180, 255, 0.3); border-radius: 4px; }
    #tutorial-modal ::-webkit-scrollbar-thumb:hover { background: rgba(100, 180, 255, 0.5); }

    /* --- Hero Section with Fog & Runway Lights --- */
    .hero-section {
      position: relative;
      min-height: 420px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      max-width: 80rem;
      margin-left: auto;
      margin-right: auto;
    }
    
    /* Fog layers */
    .hero-fog {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 1;
    }
    .hero-fog-layer {
      position: absolute;
      inset: 0;
      background: 
        radial-gradient(ellipse 120% 60% at 50% 100%, rgba(180, 200, 220, 0.25) 0%, transparent 60%),
        radial-gradient(ellipse 80% 40% at 30% 80%, rgba(160, 180, 200, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 90% 50% at 70% 90%, rgba(170, 190, 210, 0.18) 0%, transparent 55%);
    }
    .hero-fog-layer:nth-child(1) { animation: heroFog1 18s ease-in-out infinite; }
    .hero-fog-layer:nth-child(2) { animation: heroFog2 22s ease-in-out infinite; opacity: 0.7; }
    .hero-fog-layer:nth-child(3) { animation: heroFog3 15s ease-in-out infinite; opacity: 0.5; }
    
    @keyframes heroFog1 {
      0%, 100% { transform: translateX(-5%) translateY(0); opacity: 0.8; }
      50% { transform: translateX(5%) translateY(-3%); opacity: 1; }
    }
    @keyframes heroFog2 {
      0%, 100% { transform: translateX(3%) translateY(2%); opacity: 0.6; }
      50% { transform: translateX(-4%) translateY(-2%); opacity: 0.8; }
    }
    @keyframes heroFog3 {
      0%, 100% { transform: translateX(0) scale(1); opacity: 0.4; }
      50% { transform: translateX(-3%) scale(1.05); opacity: 0.6; }
    }
    
    /* Runway perspective container */
    .runway-container {
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      height: 70%;
      perspective: 400px;
      pointer-events: none;
      z-index: 0;
    }
    
    /* Runway surface */
    .runway {
      position: absolute;
      bottom: -20%;
      left: 50%;
      width: 120px;
      height: 300%;
      background: linear-gradient(to top, 
        rgba(40, 50, 60, 0.9) 0%, 
        rgba(50, 60, 70, 0.7) 30%,
        rgba(60, 70, 80, 0.4) 60%,
        transparent 100%);
      transform: translateX(-50%) rotateX(75deg);
      transform-origin: bottom center;
    }
    
    /* Centerline markings */
    .runway::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      width: 4px;
      height: 100%;
      transform: translateX(-50%);
      background: repeating-linear-gradient(to top,
        rgba(255, 255, 255, 0.6) 0px,
        rgba(255, 255, 255, 0.6) 30px,
        transparent 30px,
        transparent 60px);
    }
    
    /* Approach lights container */
    .approach-lights {
      position: absolute;
      bottom: 5%;
      left: 50%;
      transform: translateX(-50%) rotateX(70deg);
      transform-origin: bottom center;
      width: 300px;
      height: 400px;
    }
    
    /* Individual approach light */
    .approach-light {
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: radial-gradient(circle, #fff 0%, rgba(255, 200, 100, 0.8) 40%, transparent 70%);
      box-shadow: 
        0 0 10px 3px rgba(255, 220, 150, 0.6),
        0 0 20px 6px rgba(255, 180, 100, 0.3),
        0 0 30px 10px rgba(255, 150, 50, 0.15);
      animation: lightPulse 2s ease-in-out infinite;
    }
    
    /* Sequenced flashing lights (rabbit) */
    .approach-light.sequenced {
      animation: sequencedFlash 1s linear infinite;
    }
    
    @keyframes lightPulse {
      0%, 100% { opacity: 0.7; transform: scale(1); }
      50% { opacity: 1; transform: scale(1.15); }
    }
    
    @keyframes sequencedFlash {
      0%, 20% { opacity: 1; box-shadow: 0 0 15px 5px rgba(255, 255, 255, 0.9), 0 0 30px 10px rgba(255, 220, 150, 0.6); }
      25%, 100% { opacity: 0.4; box-shadow: 0 0 8px 2px rgba(255, 200, 100, 0.4); }
    }
    
    /* PAPI lights (red/white) */
    .papi-container {
      position: absolute;
      bottom: 8%;
      left: 50%;
      transform: translateX(-50%) translateX(-100px) rotateX(65deg);
      display: flex;
      gap: 8px;
    }
    .papi-container.right {
      transform: translateX(-50%) translateX(100px) rotateX(65deg);
    }
    .papi-light {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      animation: papiGlow 3s ease-in-out infinite;
    }
    .papi-light.red {
      background: radial-gradient(circle, #ff4444 0%, #cc0000 50%, transparent 70%);
      box-shadow: 0 0 10px 3px rgba(255, 50, 50, 0.7), 0 0 20px 6px rgba(255, 0, 0, 0.3);
    }
    .papi-light.white {
      background: radial-gradient(circle, #ffffff 0%, #dddddd 50%, transparent 70%);
      box-shadow: 0 0 10px 3px rgba(255, 255, 255, 0.7), 0 0 20px 6px rgba(255, 255, 255, 0.3);
    }
    @keyframes papiGlow {
      0%, 100% { opacity: 0.8; }
      50% { opacity: 1; }
    }
    
    /* Edge lights */
    .edge-lights {
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%) rotateX(75deg);
      transform-origin: bottom center;
      width: 200px;
      height: 350px;
    }
    .edge-light {
      position: absolute;
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: rgba(255, 255, 200, 0.9);
      box-shadow: 0 0 8px 2px rgba(255, 255, 150, 0.5);
      animation: edgePulse 2.5s ease-in-out infinite;
    }
    .edge-light.left { left: 0; }
    .edge-light.right { right: 0; }
    
    @keyframes edgePulse {
      0%, 100% { opacity: 0.5; }
      50% { opacity: 0.9; }
    }
    
    /* Hero content overlay */
    .hero-content {
      position: relative;
      z-index: 10;
      text-align: center;
      padding: 2rem 1rem;
    }
    
    /* Subtle vignette */
    .hero-vignette {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, rgba(10, 20, 35, 0.5) 100%);
      pointer-events: none;
      z-index: 2;
    }
    
    /* Scroll indicator */
    .scroll-indicator {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 10;
      animation: bounce 2s ease-in-out infinite;
    }
    .scroll-indicator iconify-icon {
      color: rgba(100, 200, 255, 0.5);
      font-size: 28px;
    }
    @keyframes bounce {
      0%, 100% { transform: translateX(-50%) translateY(0); }
      50% { transform: translateX(-50%) translateY(8px); }
    }
    
    /* Reduce hero effects on mobile */
    @media (max-width: 900px) {
      .hero-section { min-height: 350px; }
      .runway-container, .approach-lights, .edge-lights, .papi-container { opacity: 0.5; }
      .hero-fog-layer { animation: none !important; }
    }

    /* --- Stats Cards --- */
    .stat-card {
      background: linear-gradient(135deg, rgba(30, 58, 95, 0.6), rgba(20, 40, 70, 0.8));
      border: 1px solid rgba(100, 180, 255, 0.15);
    }
    .stat-value {
      font-size: 2rem;
      font-weight: 700;
      background: linear-gradient(135deg, #67e8f9, #22d3ee);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* --- Aviation Glossary Tooltips --- */
    .avterm {
      text-decoration: underline;
      text-decoration-style: dotted;
      text-decoration-color: rgba(103, 232, 249, 0.5);
      text-underline-offset: 2px;
      cursor: help;
      transition: color 0.15s ease, text-decoration-color 0.15s ease;
    }
    .avterm:hover {
      color: #67e8f9;
      text-decoration-color: rgba(103, 232, 249, 0.9);
    }
    
    /* Tooltip container */
    #av-tooltip {
      position: fixed;
      z-index: 9999;
      max-width: 320px;
      padding: 10px 14px;
      background: linear-gradient(135deg, rgba(15, 30, 55, 0.98), rgba(25, 45, 75, 0.98));
      backdrop-filter: blur(12px);
      border: 1px solid rgba(103, 232, 249, 0.4);
      border-radius: 10px;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(103, 232, 249, 0.15);
      pointer-events: none;
      opacity: 0;
      transform: translateY(6px) scale(0.96);
      transition: opacity 0.18s ease, transform 0.18s ease;
    }
    #av-tooltip.show {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
    #av-tooltip .tt-abbr {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.85rem;
      color: #67e8f9;
      letter-spacing: 0.5px;
      margin-bottom: 2px;
    }
    #av-tooltip .tt-full {
      font-size: 0.95rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
    }
    #av-tooltip .tt-desc {
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.75);
      line-height: 1.4;
    }
    #av-tooltip::before {
      content: '';
      position: absolute;
      top: -6px;
      left: 20px;
      width: 12px;
      height: 12px;
      background: linear-gradient(135deg, rgba(15, 30, 55, 0.98), rgba(25, 45, 75, 0.98));
      border-left: 1px solid rgba(103, 232, 249, 0.4);
      border-top: 1px solid rgba(103, 232, 249, 0.4);
      transform: rotate(45deg);
    }
    #av-tooltip.arrow-bottom::before {
      top: auto;
      bottom:-6px;
      transform: rotate(225deg);
    }