/* Arbitrage Bot Dashboard Styles */

:root {
    --bg-color: #1a1a2e;
    --card-bg: #16213e;
    --text-color: #eee;
    --text-secondary: #aaa;
    --accent: #0f3460;
    --primary: #4db8ff;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
    --border: #0f3460;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    background: var(--card-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.paper {
    background: var(--warning);
    color: #000;
}

.badge.live {
    background: var(--danger);
    color: #fff;
}

.header-right {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Main content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border);
}

.card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stat {
    background: var(--accent);
    padding: 1rem;
    border-radius: 6px;
}

.stat label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat .value {
    font-size: 1.4rem;
    font-weight: 600;
}

.pnl.positive {
    color: var(--success);
}

.pnl.negative {
    color: var(--danger);
}

.stats-secondary {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Scanner */
.scanner-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.indicator.running {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

.indicator.stopped {
    background: var(--text-secondary);
}

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

.scanner-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.scanner-config {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.config-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.config-row label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.config-row input {
    background: var(--accent);
    border: 1px solid var(--border);
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Buttons */
.actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.9;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

.btn-secondary {
    background: var(--accent);
    color: var(--text-color);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.empty {
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem;
}

/* Opportunities feed */
.feed {
    max-height: 400px;
    overflow-y: auto;
}

.opportunity-item {
    background: var(--accent);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--primary);
}

.opportunity-item.executed {
    border-left-color: var(--success);
}

.opportunity-item .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.opportunity-item .market {
    font-weight: 500;
    font-size: 0.95rem;
}

.opportunity-item .profit {
    font-weight: 600;
    color: var(--success);
}

.opportunity-item .details {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.opportunity-item .time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* SSE status */
.sse-status {
    font-size: 0.8rem;
}

.sse-status.connected {
    color: var(--success);
}

.sse-status.disconnected {
    color: var(--danger);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Wide cards span full width */
#opportunities-card,
#positions-card,
#trades-card {
    grid-column: 1 / -1;
}

/* Responsive */
@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .scanner-config {
        grid-template-columns: 1fr;
    }
}