/* TradeBot Dashboard — Dark Theme */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #21262d;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-blue: #58a6ff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-brand { font-size: 18px; font-weight: 700; }

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}
.nav-links a:hover { color: var(--text-primary); }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 24px;
}

.dashboard-header h1 { font-size: 24px; font-weight: 600; }
.timestamp { color: var(--text-secondary); font-size: 14px; }

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
}

.positive { color: var(--accent-green); }
.negative { color: var(--accent-red); }
.status-running { color: var(--accent-green); font-size: 20px; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

.data-table th {
    text-align: left;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 10px 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.no-data {
    color: var(--text-secondary);
    text-align: center;
    padding: 40px;
    font-style: italic;
}

.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-secondary);
    font-size: 12px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}