:root {
    --bg: #191127;
    --bg-card: #23133a;
    --bg-card-hover: #1f1232;
    --border: #3a1c63;
    --border-bright: #5e309d;
    --text: #e8e9ed;
    --text-dim: #d6d6d6;
    --text-mid: #d6d6d6;
    --green: #00e676;
    --green-dim: #00e67633;
    --red: #ff1744;
    --red-dim: #ff174433;
    --accent: #883CF0;
    --accent-dim: #1f1232;
    --gold: #ffd740;
    --gold-dim: #ffd74022;
  }

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

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* Grain overlay */
  body::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
  }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 2px; }

  /* ─── TICKER TAPE ─── */
  .ticker-tape {
    background: linear-gradient(90deg, var(--bg-card), #0d0f14, var(--bg-card));
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .ticker-inner {
    display: inline-flex;
    animation: tickerScroll 40s linear infinite;
  }
  .ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.5px;
    border-right: 1px solid var(--border);
  }
  .ticker-item .sym { color: var(--text); font-weight: 600; }
  .ticker-item .price { color: var(--text-mid); }
  .ticker-item .change.up { color: var(--green); }
  .ticker-item .change.down { color: var(--red); }
  @keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* ─── HEADER ─── */
  .header {
    padding: 40px 48px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }
  .logo {
    font-family: 'Instrument Serif', serif;
    font-size: 32px;
    letter-spacing: -1px;
    color: var(--text);
  }
  .logo span { color: var(--accent); }
  .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .search-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    width: 280px;
    transition: border-color 0.3s;
  }
  .search-box:focus-within { border-color: var(--accent); }
  .search-box input {
    background: none;
    border: none;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    outline: none;
    width: 100%;
  }
  .search-box input::placeholder { color: var(--text-dim); }
  .search-icon { color: var(--text-dim); font-size: 14px; }
  .live-dot {
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--green);
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
  }
  .live-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 2px;
  }

  /* ─── MAIN GRID ─── */
  .main {
    padding: 32px 48px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
  }

  /* ─── MARKET OVERVIEW CARDS ─── */
  .market-indices {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
  }
  .index-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .index-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    transition: opacity 0.3s;
  }
  .index-card.up::before { background: var(--green); }
  .index-card.down::before { background: var(--red); }
  .index-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
  .index-name {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
    margin-bottom: 8px;
  }
  .index-price {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 6px;
  }
  .index-change {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
  }
  .index-change.up { color: var(--green); }
  .index-change.down { color: var(--red); }
  .mini-chart {
    margin-top: 12px;
    height: 40px;
  }
  .mini-chart svg { width: 100%; height: 100%; }

  /* ─── INTERACTIVE CHART ─── */
  .chart-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
  }
  .chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
  }
  .chart-title-group { display: flex; align-items: baseline; gap: 12px; }
  .chart-symbol {
    font-family: 'Instrument Serif', serif;
    font-size: 28px;
  }
  .chart-company {
    font-size: 14px;
    color: var(--text-dim);
  }
  .chart-price-group {
    text-align: right;
  }
  .chart-price {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    font-weight: 600;
  }
  .chart-price-change {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
  }
  .timeframe-btns {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
  }
  .tf-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.5px;
  }
  .tf-btn:hover { border-color: var(--border-bright); color: var(--text); }
  .tf-btn.active {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
  }
  .chart-canvas-wrap {
    position: relative;
    height: 280px;
    cursor: crosshair;
  }
  .chart-canvas-wrap canvas {
    width: 100%;
    height: 100%;
  }
  .crosshair-label {
    position: absolute;
    background: var(--accent);
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    pointer-events: none;
    display: none;
    white-space: nowrap;
  }

  /* ─── STOCK TABLE ─── */
  .stocks-table-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
  }
  .table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
  }
  .table-title {
    font-size: 16px;
    font-weight: 600;
  }
  .table-tabs {
    display: flex;
    gap: 4px;
  }
  .tab-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'DM Sans', sans-serif;
    font-size: 12px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .tab-btn:hover { color: var(--text); border-color: var(--border-bright); }
  .tab-btn.active {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
  }
  .stocks-table {
    width: 100%;
    border-collapse: collapse;
  }
  .stocks-table thead th {
    padding: 12px 24px;
    text-align: left;
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
  }
  .stocks-table thead th:hover { color: var(--text-mid); }
  .stocks-table thead th.right { text-align: right; }
  .stocks-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
    cursor: pointer;
  }
  .stocks-table tbody tr:last-child { border-bottom: none; }
  .stocks-table tbody tr:hover { background: var(--bg-card-hover); }
  .stocks-table td {
    padding: 14px 24px;
    font-size: 14px;
  }
  .stocks-table td.right { text-align: right; }
  .stock-name-cell {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .stock-icon {
    width: 36px; height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
  }
  .stock-sym {
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
  }
  .stock-fullname {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
  }
  .stock-price-cell {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
  }
  .stock-change-cell {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
  }
  .stock-change-cell.up {
    color: var(--green);
    background: var(--green-dim);
  }
  .stock-change-cell.down {
    color: var(--red);
    background: var(--red-dim);
  }
  .stock-volume {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
    font-size: 13px;
  }
  .stock-mcap {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-mid);
    font-size: 13px;
  }
  .spark-cell svg {
    width: 80px; height: 30px;
  }

  /* ─── SIDEBAR ─── */
  .sidebar { display: flex; flex-direction: column; gap: 24px; }

  /* News Panel */
  .news-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
  }
  .panel-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .panel-title .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--red);
    animation: pulse 1.5s ease-in-out infinite;
  }
  .news-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: opacity 0.2s;
  }
  .news-item:last-child { border-bottom: none; }
  .news-item:hover { opacity: 0.8; }
  .news-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-dim);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
  }
  .news-headline {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-mid);
  }
  .news-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .news-tag.bullish { background: var(--green-dim); color: var(--green); }
  .news-tag.bearish { background: var(--red-dim); color: var(--red); }
  .news-tag.neutral { background: var(--accent-dim); color: var(--accent); }

  /* Sector Heatmap */
  .heatmap-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
  }
  .heatmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
  .heatmap-cell {
    border-radius: 8px;
    padding: 12px 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .heatmap-cell:hover { transform: scale(1.05); z-index: 2; }
  .heatmap-cell .sector-name {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    color: rgba(255,255,255,0.9);
  }
  .heatmap-cell .sector-change {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
  }

  /* Watchlist */
  .watchlist-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
  }
  .watchlist-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }
  .watchlist-item:last-child { border-bottom: none; }
  .wl-sym {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
  }
  .wl-price {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-mid);
  }
  .wl-change {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 4px;
  }
  .wl-change.up { color: var(--green); background: var(--green-dim); }
  .wl-change.down { color: var(--red); background: var(--red-dim); }

  /* ─── CONVERTER/CALCULATOR ─── */
  .converter-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
  }
  .converter-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
  }
  .converter-input {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
  }
  .converter-input:focus { border-color: var(--accent); }
  .converter-select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    outline: none;
    cursor: pointer;
    appearance: none;
    min-width: 90px;
  }
  .converter-result {
    margin-top: 12px;
    padding: 12px;
    background: var(--accent-dim);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    color: var(--accent);
    text-align: center;
  }

  /* ─── FOOTER ─── */
  .footer {
    padding: 32px 48px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-dim);
  }
  .footer a { color: var(--text-dim); text-decoration: none; }
  .footer a:hover { color: var(--text); }

  /* ─── ANIMATIONS ─── */
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .animate-in {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
  }
  .delay-1 { animation-delay: 0.1s; }
  .delay-2 { animation-delay: 0.2s; }
  .delay-3 { animation-delay: 0.3s; }
  .delay-4 { animation-delay: 0.4s; }
  .delay-5 { animation-delay: 0.5s; }

  /* Responsive */
  @media (max-width: 1100px) {
    .main { grid-template-columns: 1fr; }
    .header { padding: 24px; }
    .main { padding: 24px; }
    .market-indices { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .market-indices { grid-template-columns: 1fr; }
    .header { flex-direction: column; gap: 16px; }
    .search-box { width: 100%; }
  }