:root {
    --bg-primary: #f0f2f5;
    --bg-secondary: #e5e7eb;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    --border: #d1d5db;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --accent-blue: #2563eb;
    --accent-cyan: #0891b2;
    --accent-green: #059669;
    --accent-red: #dc2626;
    --accent-yellow: #d97706;
    --accent-purple: #7c3aed;
    --accent-orange: #ea580c;
    --accent-pink: #db2777;
    --positive: #059669;
    --negative: #dc2626;
    --neutral: #6b7280;
  }

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

  html {
    overflow-x: hidden;
    max-width: 100vw;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'SF Mono', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    max-width: 100vw;
  }

  /* Header */
  .header {
    background: linear-gradient(135deg, #ffffff 0%, #f0f2f5 100%);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
  }

  .header-left {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .logo {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
  }

  .logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  /* Navigation */
  .nav {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 3px;
  }

  .nav-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    padding: 7px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: inherit;
  }

  .nav-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
  }

  .nav-btn.active {
    background: var(--accent-blue);
    color: white;
  }

  /* Dropdown navigation */
  .nav-dropdown {
    position: relative;
  }

  .nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-dropdown-trigger .dropdown-arrow {
    font-size: 8px;
    transition: transform 0.2s;
  }

  .nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
  }

  .nav-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
    min-width: 180px;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .nav-dropdown:hover .nav-dropdown-menu {
    display: block;
  }
  .nav-dropdown.force-close .nav-dropdown-menu {
    display: none !important;
  }

  /* Invisible bridge so mouse can travel from trigger to menu */
  .nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
  }

  .nav-dropdown-item {
    display: block;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    white-space: nowrap;
    font-family: inherit;
  }

  .nav-dropdown-item:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
  }

  .nav-dropdown-item.active {
    color: var(--accent-blue);
    background: rgba(59,130,246,0.1);
  }

  /* Page visibility */
  .page { display: none; }
  .page.active { display: block; }

  .btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .btn:hover { background: #2563eb; transform: translateY(-1px); }
  .btn:active { transform: translateY(0); }
  .btn-secondary { background: var(--bg-card); border: 1px solid var(--border); }
  .btn-secondary:hover { background: var(--bg-card-hover); }

  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse 2s infinite;
  }

  .status-dot.error { background: var(--accent-red); }
  .status-dot.loading { background: var(--accent-yellow); }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }

  .last-updated {
    font-size: 11px;
    color: var(--text-muted);
  }

  /* Main Layout */
  .dashboard {
    padding: 24px 32px;
    max-width: 1600px;
    margin: 0 auto;
  }

  /* Section */
  .section {
    margin-bottom: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    overflow: visible;
  }

  .section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    transition: background 0.15s ease;
    border-radius: 14px 14px 0 0;
  }

  .section-header:hover {
    background: var(--bg-card-hover);
  }

  .section-header:active {
    opacity: 0.8;
  }

  .section-toggle {
    margin-left: auto;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(127,127,127,0.08);
    color: var(--text-muted);
    font-size: 11px;
    transition: transform 0.25s ease, background 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
  }

  .section-header:hover .section-toggle {
    background: rgba(127,127,127,0.14);
    color: var(--text-secondary);
  }

  .section.collapsed .section-toggle {
    transform: rotate(-90deg);
  }

  .section-body {
    padding: 16px 20px 20px;
  }

  .section.collapsed .section-body {
    display: none;
  }

  .section.collapsed .section-header {
    border-bottom-color: transparent;
    border-radius: 14px;
  }

  .section-refresh-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
  }
  .section-refresh-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
  }
  .section.collapsed .section-refresh-btn {
    display: none;
  }

  .section-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
  }

  .section-icon.fed { background: rgba(59,130,246,0.15); }
  .section-icon.us { background: rgba(16,185,129,0.15); }
  .section-icon.vn { background: rgba(239,68,68,0.15); }
  .section-icon.global { background: rgba(139,92,246,0.15); }

  .section-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
  }

  .section-badge {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(59,130,246,0.15);
    color: var(--accent-blue);
    font-weight: 600;
  }

  /* Cards Grid */
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
  }

  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }

  .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--card-accent, var(--accent-blue));
    opacity: 0;
    transition: opacity 0.2s;
  }

  .card:hover {
    border-color: var(--card-accent, var(--accent-blue));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

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

  .card-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .card-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
  }

  .card-value.loading {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    color: transparent;
    user-select: none;
  }

  @keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }

  .card-change {
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .card-change.positive { color: var(--positive); }
  .card-change.negative { color: var(--negative); }
  .card-change.neutral { color: var(--neutral); }

  .card-detail {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
  }

  .card-sparkline {
    margin-top: 8px;
    height: 30px;
  }

  /* Charts Grid */
  .charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(480px, 100%), 1fr));
    gap: 16px;
  }

  .chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0;
    overflow: visible;
    min-width: 0;
  }

  .chart-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    transition: background 0.15s ease;
  }

  .chart-container.chart-collapsed .chart-title .timeframe-btns,
  .chart-container.chart-collapsed .chart-title .chart-btns-wrap,
  .chart-container.chart-collapsed .chart-title .tf-dropdown {
    display: none;
  }

  .chart-title:hover {
    background: var(--bg-card-hover);
  }

  .chart-title:active {
    opacity: 0.8;
  }

  .chart-toggle {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: rgba(127,127,127,0.08);
    color: var(--text-muted);
    font-size: 9px;
    transition: transform 0.25s ease, background 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
    margin-left: 8px;
  }

  .chart-title:hover .chart-toggle {
    background: rgba(127,127,127,0.14);
    color: var(--text-secondary);
  }

  .chart-container.chart-collapsed .chart-toggle {
    transform: rotate(-90deg);
  }

  .chart-body {
    padding: 0 16px 16px;
  }

  .chart-container.chart-collapsed .chart-body {
    display: none;
  }

  .chart-container.chart-collapsed .chart-title {
    border-bottom: none;
  }

  .chart-title span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
  }

  .chart-source {
    font-size: 10px;
    font-weight: 400;
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 6px;
    opacity: 0.7;
    transition: opacity 0.2s, color 0.2s;
  }

  .chart-source:hover {
    opacity: 1;
    color: var(--accent-cyan);
  }

  /* Clickable chart title text */
  .chart-title-text {
    cursor: pointer;
    transition: color 0.2s;
  }
  .chart-title-text:hover {
    color: var(--text-primary);
  }

  /* Fullscreen chart overlay */
  .chart-fullscreen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 1000;
    flex-direction: column;
    overscroll-behavior: contain;
    touch-action: none;
  }

  .chart-fullscreen.active {
    display: flex;
  }

  .chart-fullscreen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    flex-shrink: 0;
  }

  .chart-fullscreen-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .chart-fullscreen-title .chart-source {
    font-size: 12px;
  }

  .chart-fullscreen-controls {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .chart-fullscreen-body {
    flex: 1;
    padding: 24px 32px;
    position: relative;
    min-height: 0;
    touch-action: manipulation;
  }

  .chart-fullscreen-body canvas {
    width: 100% !important;
    height: 100% !important;
  }

  .btn-close {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s;
  }
  .btn-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
  }

  .chart-wrapper {
    position: relative;
    height: 250px;
    overflow: hidden;
    min-width: 0;
    touch-action: none;
  }

  .chart-wrapper canvas {
    transform-origin: 0 0;
  }

  /* Data Table */
  .data-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    margin-top: 16px;
  }

  .data-table {
    width: 100%;
    border-collapse: collapse;
  }

  .data-table th {
    background: rgba(0,0,0,0.2);
    padding: 8px 10px;
    text-align: left;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
  }

  .data-table td {
    padding: 8px 10px;
    font-size: 12.5px;
    border-bottom: 1px solid rgba(42,58,78,0.5);
    font-variant-numeric: tabular-nums;
  }

  .data-table td:first-child {
    white-space: nowrap;
  }

  .data-table tr:last-child td { border-bottom: none; }
  .data-table tr:hover td { background: rgba(59,130,246,0.05); }

  /* Tab Navigation */
  .tab-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
  }

  .tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    margin-bottom: -1px;
  }

  .tab-btn:hover { color: var(--text-secondary); }
  .tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
  }

  /* Indicator Bar */
  .indicator-bar {
    display: flex;
    gap: 24px;
    padding: 10px 0;
    overflow-x: auto;
    margin-bottom: 16px;
  }

  .indicator-item {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    font-size: 13px;
  }

  .indicator-label {
    color: var(--text-muted);
    font-size: 11px;
  }

  .indicator-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }

  /* Yield Curve */
  .yield-curve-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
  }

  /* (alert-banner CSS removed — API key is hardcoded) */

  /* Gauge */
  .gauge-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }

  .gauge-label {
    font-size: 12px;
    color: var(--text-secondary);
    width: 140px;
    flex-shrink: 0;
  }

  .gauge-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
  }

  .gauge-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s ease;
  }

  .gauge-value {
    font-size: 12px;
    font-weight: 600;
    width: 60px;
    text-align: right;
    font-variant-numeric: tabular-nums;
  }

  /* Footer */
  .footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 11px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
  }

  .footer a {
    color: var(--accent-blue);
    text-decoration: none;
  }

  /* Tooltip */
  .tooltip-container {
    position: relative;
    cursor: help;
  }

  .tooltip-text {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    z-index: 200;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }

  .tooltip-container:hover .tooltip-text { display: block; }

  /* Responsive */
  @media (max-width: 768px) {
    .header { padding: 12px 16px; flex-direction: column; gap: 8px; align-items: stretch; }
    .header-left { flex-direction: column; align-items: center; gap: 8px; }
    .header-left > div:first-child { text-align: center; }
    .logo { font-size: 17px; }
    .logo-sub { font-size: 9px; text-align: center; }
    .nav { justify-content: center; flex-wrap: wrap; gap: 4px; }
    .nav-btn { font-size: 11px; padding: 5px 10px; }
    .header-right { justify-content: center; }
    .dashboard { padding: 8px; }
    .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .charts-grid { grid-template-columns: 1fr; }
    .chart-container { padding: 0; }
    .chart-title { flex-wrap: wrap; gap: 6px; padding: 10px 12px; }
    .chart-body { padding: 0 12px 12px; }
    .chart-title-text { font-size: 13px; }
    .chart-source { font-size: 10px; }
    .timeframe-btns { flex-wrap: wrap; gap: 2px; }
    .tf-btn { padding: 3px 7px; font-size: 10px; }
    .section { margin-bottom: 16px; }
    .section-header { padding: 12px 14px; }
    .section-body { padding: 12px 14px 14px; }
    .section-title { font-size: 14px; }
    .section-toggle { width: 24px; height: 24px; font-size: 10px; }
    .card { padding: 12px; }
    .card-value { font-size: 22px; }
    .card-label { font-size: 10px; }
    .api-key-input { width: 140px; }
    .lab-controls { flex-wrap: wrap; gap: 8px; }
    .lab-chart-wrap { height: 350px; }
    .btc-indicators { flex-wrap: wrap; gap: 6px; }
    .watchlist-table thead th { padding: 8px 6px; font-size: 9px; }
    .watchlist-table tbody td { padding: 8px 6px; font-size: 11px; }
    .watchlist-table { min-width: 600px; }
    .analysis-section { padding: 14px; overflow-x: auto; }
    .analysis-section table { font-size: 11px; min-width: 480px; }
    .analysis-section th { padding: 6px 6px; font-size: 9px; }
    .analysis-section td { padding: 5px 6px; font-size: 11px; }
    .analysis-section h2 { font-size: 13px; }
    .analysis-section h3 { font-size: 12px; }
    .analysis-section p, .analysis-section li { font-size: 12px; }
    .stock-analysis .stock-header h1 { font-size: 18px; }
    .stock-analysis .stock-header .stock-meta { font-size: 11px; }
    .data-table { min-width: 500px; }
  }

  .chart-btns-wrap {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
  }

  @media (max-width: 480px) {
    .dashboard { padding: 4px; }
    .cards-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
    .card { padding: 10px; }
    .card-value { font-size: 18px; }
    .chart-container { padding: 0; }
    .chart-title { padding: 8px 10px; }
    .chart-body { padding: 0 10px 10px; }
    .chart-title { font-size: 12px; }
    .tf-btn { padding: 2px 5px; font-size: 9px; }
    .section-header { flex-wrap: wrap; gap: 4px; padding: 10px 12px; }
    .section-body { padding: 10px 12px 12px; }
    .section { border-radius: 10px; }
    .lab-chart-wrap { height: 280px; }
    .analysis-section { padding: 10px; }
    .analysis-section table { font-size: 10px; }
    .analysis-section th { padding: 4px 4px; font-size: 8px; }
    .analysis-section td { padding: 4px 4px; }
    .stock-analysis .stock-header h1 { font-size: 16px; }
  }

  /* Crypto watchlist — compact mobile table */
  /* ===== Always hide separate change columns — show change inline with price ===== */
  /* Crypto: hide 24h Change column (col 4) */
  #crypto-watchlist-tbody tr[data-cg-id] td:nth-child(4),
  #page-crypto-watchlist thead th:nth-child(4) { display: none; }
  .cw-price-chg { display: inline !important; }

  /* MAG7: hide Change (col 4) and % Change (col 5) */
  #mag7-tbody .mag7-change,
  #mag7-tbody .mag7-pct,
  #mag7-watchlist .watchlist-table th:nth-child(4),
  #mag7-watchlist .watchlist-table th:nth-child(5) { display: none; }
  .mag7-price-chg { display: inline !important; }

  /* Blue Chip: hide Change column (col 4) */
  #bluechip-tbody tr td:nth-child(4),
  table:has(#bluechip-tbody) thead th:nth-child(4) { display: none; }

  /* Hidden Dividend: hide Change column (col 5) */
  #hidden-div-tbody tr td:nth-child(5),
  table:has(#hidden-div-tbody) thead th:nth-child(5) { display: none; }

  /* VN stock inline change */
  .vn-price-chg { display: inline !important; }

  @media (max-width: 600px) {
    /* Crypto: also hide Name, Market Cap, ATH, % From ATH */
    #crypto-watchlist-tbody tr[data-cg-id] td:nth-child(2),
    #crypto-watchlist-tbody tr[data-cg-id] td:nth-child(5),
    #crypto-watchlist-tbody tr[data-cg-id] td:nth-child(7),
    #crypto-watchlist-tbody tr[data-cg-id] td:nth-child(8),
    #page-crypto-watchlist thead th:nth-child(2),
    #page-crypto-watchlist thead th:nth-child(5),
    #page-crypto-watchlist thead th:nth-child(7),
    #page-crypto-watchlist thead th:nth-child(8) { display: none; }
    #page-crypto-watchlist .data-table { min-width: 0 !important; width: 100%; table-layout: auto; }
    #page-crypto-watchlist .data-table-container { overflow-x: hidden; }

    /* MAG7: also hide Company, Day High/Low, 52W High/Low */
    #mag7-watchlist .watchlist-table th:nth-child(2),
    #mag7-watchlist .watchlist-table th:nth-child(6),
    #mag7-watchlist .watchlist-table th:nth-child(7),
    #mag7-watchlist .watchlist-table th:nth-child(9),
    #mag7-watchlist .watchlist-table th:nth-child(10),
    #mag7-tbody .company,
    #mag7-tbody .mag7-high,
    #mag7-tbody .mag7-low,
    #mag7-tbody .mag7-52h,
    #mag7-tbody .mag7-52l { display: none; }
    #mag7-watchlist .watchlist-table { min-width: 0 !important; width: 100%; table-layout: auto; }
    #mag7-watchlist { overflow-x: hidden; }

    /* Blue Chip: also hide Company, DivYield, P/E, Valuation */
    #bluechip-tbody tr td:nth-child(2),
    #bluechip-tbody tr td:nth-child(6),
    #bluechip-tbody tr td:nth-child(7),
    #bluechip-tbody tr td:nth-child(8) { display: none; }
    table:has(#bluechip-tbody) thead th:nth-child(2),
    table:has(#bluechip-tbody) thead th:nth-child(6),
    table:has(#bluechip-tbody) thead th:nth-child(7),
    table:has(#bluechip-tbody) thead th:nth-child(8) { display: none; }

    /* Hidden Dividend: also hide Company, Exchange, DivYield, P/E, Valuation */
    #hidden-div-tbody tr td:nth-child(2),
    #hidden-div-tbody tr td:nth-child(3),
    #hidden-div-tbody tr td:nth-child(7),
    #hidden-div-tbody tr td:nth-child(8),
    #hidden-div-tbody tr td:nth-child(9) { display: none; }
    table:has(#hidden-div-tbody) thead th:nth-child(2),
    table:has(#hidden-div-tbody) thead th:nth-child(3),
    table:has(#hidden-div-tbody) thead th:nth-child(7),
    table:has(#hidden-div-tbody) thead th:nth-child(8),
    table:has(#hidden-div-tbody) thead th:nth-child(9) { display: none; }

    /* Force VN stock tables to fit viewport */
    #page-vn-stock .data-table { min-width: 0 !important; width: 100%; table-layout: auto; }
    #page-vn-stock .data-table-container { overflow-x: hidden; }
  }

  /* Crypto watchlist detail panels */
  .crypto-detail-row td {
    position: relative;
  }
  .crypto-detail-row td > div {
    box-sizing: border-box;
  }
  @media (max-width: 768px) {
    .crypto-detail-row td {
      position: sticky;
      left: 0;
    }
    .crypto-detail-row td > div {
      width: calc(100vw - 32px);
      max-width: calc(100vw - 32px);
      padding: 10px !important;
      overflow-x: hidden;
    }
    .crypto-detail-row .cards-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
    .crypto-detail-row .card { padding: 8px 10px; }
    .crypto-detail-row .card-label { font-size: 9px !important; }
    .crypto-detail-row .card-value { font-size: 15px !important; word-break: break-all; }
    .crypto-detail-row .card-change { font-size: 10px !important; }
    .crypto-detail-row .chart-title { flex-wrap: wrap; gap: 4px; padding: 8px 10px; }
    .crypto-detail-row .chart-btns-wrap { width: 100%; justify-content: flex-start; }
    .crypto-detail-row .charts-grid { margin-top: 12px !important; }
    .crypto-detail-row button { font-size: 11px !important; padding: 5px 10px !important; }
  }

  /* Timeframe Buttons */
  .timeframe-btns {
    display: flex;
    gap: 4px;
    position: relative;
  }

  .tf-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
  }

  .tf-btn:hover {
    color: var(--text-secondary);
    border-color: var(--text-muted);
  }

  .tf-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
  }

  .tf-btn-custom {
    font-size: 13px;
    padding: 3px 7px;
    line-height: 1;
  }

  /* Timeframe Dropdown */
  .tf-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
  }
  .tf-dropdown-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s;
    white-space: nowrap;
  }
  .tf-dropdown-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
  }
  .tf-dropdown-btn::after {
    content: '▾';
    font-size: 9px;
    opacity: 0.6;
  }
  .tf-dropdown-menu {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    padding: 4px;
    min-width: 120px;
  }
  .tf-dropdown-menu.open { display: block; }
  .tf-dropdown-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 6px 10px 2px;
  }
  .tf-dropdown-item {
    display: block;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    white-space: nowrap;
    font-family: inherit;
    border-radius: 4px;
    box-sizing: border-box;
  }
  .tf-dropdown-item:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
  }
  .tf-dropdown-item.active {
    color: var(--accent-blue);
    background: rgba(59,130,246,0.1);
    font-weight: 600;
  }
  .tf-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
  }

  .custom-range-popup {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    padding: 12px;
    min-width: 220px;
    user-select: auto;
    -webkit-user-select: auto;
    touch-action: manipulation;
    -webkit-touch-callout: none;
  }
  .custom-range-popup.open { display: block; }
  .custom-range-popup select {
    user-select: auto;
    -webkit-user-select: auto;
    pointer-events: auto;
    touch-action: manipulation;
    font-size: 16px;
    min-height: 34px;
  }
  .chart-fullscreen .custom-range-popup { z-index: 1100; }
  .custom-range-popup label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .custom-range-popup input[type="text"] {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 12px;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: 8px;
    box-sizing: border-box;
  }
  .custom-range-popup .cr-apply-btn {
    width: 100%;
    padding: 10px 6px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    touch-action: manipulation;
    -webkit-appearance: none;
    min-height: 38px;
  }
  .custom-range-popup .cr-apply-btn:hover {
    opacity: 0.9;
  }

  /* Crypto Coin Selector */
  .crypto-coin-selector { display: inline-flex; align-items: center; }
  .crypto-coin-dropdown {
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 12px;
    cursor: pointer;
    appearance: auto;
    letter-spacing: 0.5px;
  }
  .crypto-coin-dropdown:hover { border-color: var(--accent-blue); }
  .crypto-coin-dropdown:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 2px rgba(59,130,246,0.15); }

  /* BTC Indicator Dropdown */
  .btc-indicators {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 4px;
    flex-wrap: wrap;
  }
  .indicator-dropdown-wrap { position: relative; }
  .indicator-dropdown-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
  }
  .indicator-dropdown-btn:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
  .indicator-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    padding: 6px;
    z-index: 300;
    min-width: 280px;
  }
  .indicator-dropdown.open { display: block; }
  .indicator-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
  }
  .indicator-item:hover { background: var(--bg-card-hover); }
  .indicator-item input { margin: 0; accent-color: var(--accent-blue); }
  .indicator-tags { display: flex; gap: 5px; flex-wrap: wrap; }
  .indicator-tag {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(107,114,128,0.15);
    color: var(--text-secondary);
  }
  .indicator-tag .tag-x { cursor: pointer; opacity: 0.6; font-size: 12px; }
  .indicator-tag .tag-x:hover { opacity: 1; }
  .indicator-dropdown-btn.tool-active {
    background: var(--accent-blue) !important;
    color: white !important;
    border-color: var(--accent-blue) !important;
  }
  .chart-wrapper.drawing-mode { cursor: crosshair !important; }
  .chart-wrapper.drawing-mode canvas { cursor: crosshair !important; }

  /* LAB Page */
  .lab-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
  }
  .lab-picker-wrap { position: relative; }
  .lab-picker-btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
  }
  .lab-picker-btn:hover { opacity: 0.9; }
  .lab-picker-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 8px;
    z-index: 300;
    min-width: 260px;
    max-height: 400px;
    overflow-y: auto;
  }
  .lab-picker-dropdown.open { display: block; }
  .lab-picker-group-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    padding: 6px 8px 2px;
  }
  .lab-picker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: background 0.15s;
  }
  .lab-picker-item:hover { background: var(--bg-card-hover); }
  .lab-picker-item input[type="checkbox"] { margin: 0; accent-color: var(--accent-blue); }
  .lab-picker-item.checked { color: var(--text-primary); font-weight: 600; }

  .lab-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
  }
  .lab-series-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    color: white;
    white-space: nowrap;
  }
  .lab-series-tag .tag-x {
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
    opacity: 0.7;
    margin-left: 2px;
  }
  .lab-series-tag .tag-x:hover { opacity: 1; }

  .lab-clear-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
  }
  .lab-clear-btn:hover { color: var(--text-secondary); border-color: var(--text-muted); }

  .lab-chart-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    height: 500px;
    position: relative;
    overflow: hidden;
    min-width: 0;
    touch-action: none;
  }

  .lab-chart-wrap canvas {
    transform-origin: 0 0;
  }
  .lab-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 16px;
  }

  /* Country Legend Dropdown */
  .country-legend-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 4px 0 2px;
    position: relative;
  }
  .country-legend-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    border: 1.5px solid;
    white-space: nowrap;
  }
  .country-legend-chip.hidden {
    opacity: 0.3;
  }
  .country-legend-chip .chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
  }
  .country-legend-toggle {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: transparent;
    font-family: inherit;
    white-space: nowrap;
  }
  .country-legend-toggle:hover { color: var(--text-secondary); }

  /* Floating scroll buttons */
  .scroll-float-btns {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 900;
  }
  .scroll-float-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-blue);
    color: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s, transform 0.2s;
    opacity: 0.7;
  }
  .scroll-float-btn:hover { opacity: 1; transform: scale(1.1); }
  @media (max-width: 768px) {
    .scroll-float-btns { bottom: 16px; right: 16px; gap: 6px; }
    .scroll-float-btn { width: 34px; height: 34px; font-size: 14px; }
  }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg-primary); }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

  /* Comparison table */
  .comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  @media (max-width: 768px) {
    .comparison-grid { grid-template-columns: 1fr; }
  }

  /* Loading overlay */
  #loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s;
  }

  #loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
  }

  .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
  }

  @keyframes spin { to { transform: rotate(360deg); } }

  .loading-text {
    color: var(--text-muted);
    font-size: 13px;
  }

  /* Chart loading overlay (for Phase 3 background loads) */
  .chart-wrapper {
    position: relative;
  }
  .chart-wrapper.has-loading-overlay {
    min-height: 250px;
  }
  .chart-loading-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
    border-radius: 8px;
    opacity: 1;
    transition: opacity 0.3s;
  }
  .chart-loading-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
  }
  .chart-loading-overlay .loading-spinner {
    width: 28px;
    height: 28px;
    border-width: 2.5px;
    margin-bottom: 8px;
  }
  .chart-loading-overlay .loading-text {
    font-size: 11px;
  }

  /* Stock Analysis Page */
  .stock-analysis { max-width: 900px; margin: 0 auto; overflow-x: hidden; }
  .stock-analysis .back-btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent; border: 1px solid var(--border); color: var(--text-secondary);
    padding: 6px 14px; font-size: 12px; font-weight: 600; border-radius: 6px;
    cursor: pointer; font-family: inherit; margin-bottom: 16px;
  }
  .stock-analysis .back-btn:hover { color: var(--text-primary); border-color: var(--text-muted); }
  .stock-analysis .stock-header { margin-bottom: 24px; }
  .stock-analysis .stock-header h1 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin: 0 0 4px; }
  .stock-analysis .stock-header .stock-meta { font-size: 13px; color: var(--text-muted); }
  .analysis-section {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
    padding: 24px; margin-bottom: 16px; overflow: hidden;
    max-width: 100%; box-sizing: border-box;
  }
  .analysis-section h2 { font-size: 15px; font-weight: 700; color: var(--accent-blue); margin: 0 0 16px; text-transform: uppercase; letter-spacing: 0.5px; }
  .analysis-section h3 { font-size: 13px; font-weight: 700; color: var(--text-primary); margin: 20px 0 8px; }
  .analysis-section p, .analysis-section li { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }
  .analysis-section ul { padding-left: 18px; margin: 8px 0; }
  .table-scroll-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 12px 0; border-radius: 6px; }
  .table-scroll-wrap table { margin: 0; }
  .analysis-section table { width: 100%; border-collapse: collapse; font-size: 12px; margin: 12px 0; table-layout: auto; }
  .analysis-section th { background: var(--bg-card-hover); color: var(--text-muted); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; padding: 8px 10px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
  .analysis-section th:first-child { text-align: left; white-space: normal; }
  .analysis-section td { padding: 7px 10px; border-bottom: 1px solid var(--border); color: var(--text-primary); text-align: right; }
  .analysis-section td:first-child { text-align: left; font-weight: 600; min-width: 90px; }
  .analysis-section .moat-tag {
    display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600;
  }
  .moat-strong { background: rgba(16,185,129,0.15); color: #10b981; }
  .moat-moderate { background: rgba(245,158,11,0.15); color: #f59e0b; }
  .moat-weak { background: rgba(239,68,68,0.15); color: #ef4444; }
  .rating-badge {
    display: inline-block; width: 28px; height: 28px; line-height: 28px;
    text-align: center; border-radius: 6px; font-size: 13px; font-weight: 700;
    background: var(--bg-card-hover); color: var(--text-primary);
  }
  .verdict-box {
    background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2);
    border-radius: 8px; padding: 16px; margin: 12px 0;
  }
  .verdict-box p { color: var(--text-primary); font-weight: 500; }

  /* Watchlist Table */
  .watchlist-table-wrap {
    overflow-x: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
  }
  .watchlist-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
  }
  .watchlist-table thead th {
    background: var(--bg-card-hover);
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    white-space: nowrap;
  }
  .watchlist-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    white-space: nowrap;
  }
  .watchlist-table tbody tr:last-child td { border-bottom: none; }
  .watchlist-table tbody tr:hover { background: var(--bg-card-hover); }
  .watchlist-table .sym {
    font-weight: 700;
    color: var(--accent-blue);
  }
  .watchlist-table .company { color: var(--text-secondary); font-size: 12px; }
  .watchlist-table .positive { color: #10b981; }
  .watchlist-table .negative { color: #ef4444; }
  .watchlist-table .neutral { color: var(--text-muted); }

  /* VN Flag colors accent */
  .vn-accent { border-left: 3px solid var(--accent-red); }
  .us-accent { border-left: 3px solid var(--accent-blue); }