:root {
    --bg: #0b0f17;
    --bg-elev: #121826;
    --bg-panel: #151c2d;
    --border: #1f2a44;
    --text: #e6ecf5;
    --muted: #7e8aa4;
    --accent: #3b82f6;
    --green: #22c55e;
    --red: #ef4444;
    --amber: #f59e0b;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.45;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.brand h1 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    letter-spacing: 0.2px;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
}

.badge {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-live {
    background: rgba(239, 68, 68, 0.15);
    color: var(--red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-testnet {
    background: rgba(245, 158, 11, 0.15);
    color: var(--amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot-online {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
}

.dot-offline {
    background: var(--red);
}

.grid {
    padding: 20px 24px 40px;
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
}

.card-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--muted);
    letter-spacing: 0.6px;
    margin-bottom: 6px;
}

.card-value {
    font-size: 22px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.card-sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
    min-height: 16px;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
}

.panel-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 12px;
    flex-wrap: wrap;
}

.range-switcher {
    display: inline-flex;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2px;
    gap: 2px;
    margin-left: auto;
}

.range-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 5px 12px;
    font-size: 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    font-family: inherit;
}

.range-btn:hover {
    color: var(--text);
}

.range-btn.active {
    background: var(--accent);
    color: #fff;
}

.panel-header h2 {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    letter-spacing: 0.2px;
}

.muted {
    color: var(--muted);
    font-size: 12px;
}

.table-wrap {
    overflow-x: auto;
    max-height: 380px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
}

th {
    text-align: left;
    padding: 8px 10px;
    color: var(--muted);
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-panel);
}

td {
    padding: 8px 10px;
    border-bottom: 1px solid rgba(31, 42, 68, 0.5);
    font-variant-numeric: tabular-nums;
}

tr:hover td {
    background: rgba(59, 130, 246, 0.04);
}

.num {
    text-align: right;
}

.pos { color: var(--green); }
.neg { color: var(--red); }
.side-buy { color: var(--green); font-weight: 600; }
.side-sell { color: var(--red); font-weight: 600; }

canvas#equity-chart {
    display: block;
    width: 100%;
    height: 280px;
}

canvas#daily-pnl-chart {
    display: block;
    width: 100%;
    height: 220px;
}

.footer {
    display: flex;
    justify-content: space-between;
    padding: 14px 24px;
    color: var(--muted);
    font-size: 11px;
    border-top: 1px solid var(--border);
}

.error {
    color: var(--red);
}

.empty {
    color: var(--muted);
    text-align: center;
    padding: 20px;
}