/* BTC Grid Dashboard — Dark Theme */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --green: #3fb950;
    --green-dim: rgba(63, 185, 80, 0.15);
    --red: #f85149;
    --red-dim: rgba(248, 81, 73, 0.15);
    --orange: #d29922;
    --blue: #58a6ff;
    --purple: #bc8cff;
}

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

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

/* Header */
#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

#header h1 {
    font-size: 18px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.connected { background: var(--green); }
.status-dot.disconnected { background: var(--red); }

/* Tab Bar */
.tab-bar {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    gap: 0;
}

.tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    padding: 10px 16px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

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

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

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Chart */
#chart-section {
    padding: 0;
    border-bottom: 1px solid var(--border);
    position: relative;
}

#chart-toolbar {
    position: absolute;
    top: 8px;
    left: 12px;
    z-index: 10;
    display: flex;
    gap: 12px;
}

.chart-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    background: rgba(13, 17, 23, 0.85);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--text-secondary);
    user-select: none;
}

.chart-toggle input[type="checkbox"] {
    accent-color: var(--blue);
    cursor: pointer;
}

.chart-toggle:hover {
    color: var(--text-primary);
    border-color: var(--blue);
}

#chart-container {
    width: 100%;
    height: 55vh;
    min-height: 350px;
}

/* Panels grid */
#panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-bottom: 1px solid var(--border);
}

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

.panel h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* Position slots */
.slot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.slot-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
}

.slot-card .slot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.slot-card .slot-type {
    font-weight: 600;
    font-size: 15px;
}

.slot-card .slot-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    text-transform: uppercase;
}

.badge-empty { background: var(--bg-primary); color: var(--text-muted); }
.badge-open { background: var(--green-dim); color: var(--green); }
.badge-pending { background: rgba(210, 153, 34, 0.15); color: var(--orange); }
.badge-exit { background: var(--red-dim); color: var(--red); }
.badge-cooldown { background: rgba(188, 140, 255, 0.15); color: var(--purple); }

.slot-card .slot-detail {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.slot-card .slot-detail .label {
    color: var(--text-muted);
}

/* P&L */
.pnl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pnl-item {
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 10px 12px;
}

.pnl-item .pnl-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.pnl-item .pnl-value {
    font-size: 20px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.pnl-item .pnl-value.positive { color: var(--green); }
.pnl-item .pnl-value.negative { color: var(--red); }

/* Signal Log */
#signal-section {
    max-height: 300px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.signal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.signal-filters select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
}

#signal-table-wrap {
    overflow-y: auto;
    flex: 1;
}

#signal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

#signal-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
    padding: 6px 10px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
}

#signal-table td {
    padding: 5px 10px;
    border-bottom: 1px solid var(--bg-tertiary);
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

#signal-table tr:hover td {
    background: var(--bg-tertiary);
}

.signal-type-entry { color: var(--green) !important; }
.signal-type-exit { color: var(--red) !important; }
.signal-type-sl_upgrade { color: var(--orange) !important; }
.signal-type-state_snapshot { color: var(--blue) !important; }
.signal-type-bar_close { color: var(--text-muted) !important; }

/* Health */
#health-section {
    border-top: 0;
}

.health-grid {
    display: flex;
    gap: 16px;
}

.health-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 8px 14px;
}

.health-item .health-name {
    font-weight: 500;
    font-size: 13px;
}

.health-item .health-time {
    font-size: 11px;
    color: var(--text-muted);
}

/* Kill Switch */
#kill-section {
    padding: 16px 20px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.kill-btn {
    background: var(--red-dim);
    color: var(--red);
    border: 2px solid var(--red);
    border-radius: 6px;
    padding: 10px 32px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.2s;
}

.kill-btn:hover {
    background: var(--red);
    color: #fff;
}

.kill-btn.activated {
    background: var(--red);
    color: #fff;
    cursor: not-allowed;
}

/* Account Tab */
#account-content {
    padding: 16px 20px;
    max-width: 640px;
}

.account-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}

.account-card h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.form-group input,
.form-group select {
    width: 100%;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-actions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
}

.btn {
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: background 0.15s;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--text-dim);
    border-color: var(--border);
}

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

.btn-danger {
    background: var(--red-dim);
    color: var(--red);
    border-color: var(--red);
}

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

.connect-status {
    margin-top: 16px;
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
}

.connect-status.success {
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.connect-status.error {
    background: var(--red-dim);
    color: var(--red);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

.portfolio-item {
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 12px;
}

.portfolio-item .portfolio-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.portfolio-item .portfolio-value {
    font-size: 18px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* Sync Status */
.sync-grid {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.sync-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.sync-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    text-transform: uppercase;
}

.sync-badge.synced {
    background: var(--green-dim);
    color: var(--green);
}

.sync-badge.desynced {
    background: rgba(210, 153, 34, 0.15);
    color: var(--orange);
}

/* Responsive */
@media (max-width: 768px) {
    #panels {
        grid-template-columns: 1fr;
    }
    .slot-grid {
        grid-template-columns: 1fr;
    }
    .health-grid {
        flex-direction: column;
    }
    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
    }
}