/* ========================================================
   Observability Page Styles
   ======================================================== */

/* --- Nav icon --- */
.nav-item-icon.icon-observability-nav {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f5f9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='22 12 18 12 15 21 9 3 6 12 2 12'/%3E%3C/svg%3E");
    background-size: 22px 22px;
    background-repeat: no-repeat;
    background-position: center;
    width: 22px;
    height: 22px;
    min-width: 22px;
    flex-shrink: 0;
    display: inline-block;
}

[data-theme="light"] .nav-item-icon.icon-observability-nav {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='22 12 18 12 15 21 9 3 6 12 2 12'/%3E%3C/svg%3E");
}

/* --- Page header icon --- */
.view-title-icon.icon-observability-header {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f5f9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='22 12 18 12 15 21 9 3 6 12 2 12'/%3E%3C/svg%3E");
    background-size: 24px 24px;
    background-repeat: no-repeat;
    background-position: center;
    width: 24px;
    height: 24px;
    display: inline-block;
    margin-right: 8px;
    vertical-align: middle;
}

[data-theme="light"] .view-title-icon.icon-observability-header {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='22 12 18 12 15 21 9 3 6 12 2 12'/%3E%3C/svg%3E");
}

/* --- Large page icon --- */
.icon-observability-large {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='22 12 18 12 15 21 9 3 6 12 2 12'/%3E%3C/svg%3E");
    background-size: 40px 40px;
    background-repeat: no-repeat;
    background-position: center;
    width: 40px;
    height: 40px;
    display: inline-block;
    margin-right: 15px;
    flex-shrink: 0;
}

[data-theme="light"] .icon-observability-large {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230ea5e9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='22 12 18 12 15 21 9 3 6 12 2 12'/%3E%3C/svg%3E");
}

/* --- Page layout --- */
.obs-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    padding: 0 24px 24px;
}

.obs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0 16px;
    flex-shrink: 0;
}

.obs-header-title {
    display: flex;
    align-items: center;
}

.obs-header-title h2 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
}

.obs-header-subtitle {
    margin: 2px 0 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.obs-active-instance {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color, #6366f1);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 4px;
    padding: 1px 8px;
    margin-left: 6px;
    vertical-align: middle;
}

.obs-header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.obs-scrape-age {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-right: 8px;
}

/* --- Tabs --- */
.obs-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    margin-bottom: 16px;
}

.obs-tab {
    padding: 10px 20px;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

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

.obs-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.obs-tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
}

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

/* --- Overview tab: category cards --- */
.obs-category-group {
    margin-bottom: 24px;
}

.obs-category-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin: 0 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

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

.obs-card {
    background: var(--card-bg, var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color 0.2s;
}

.obs-card:hover {
    border-color: var(--primary-color);
}

.obs-card-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.obs-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.obs-card-value.status-ok     { color: var(--success-color, #22c55e); }
.obs-card-value.status-warning { color: var(--warning-color, #f59e0b); }
.obs-card-value.status-danger  { color: var(--danger-color, #ef4444); }

.obs-card-type {
    font-size: 0.7rem;
    color: var(--text-tertiary, var(--text-secondary));
    opacity: 0.7;
}

/* --- Alert banners --- */
.obs-alerts {
    margin-bottom: 16px;
}

.obs-alert {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.obs-alert.warning {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.obs-alert.danger {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* --- All Metrics tab: table --- */
.obs-table-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    align-items: center;
}

.obs-search {
    flex: 1;
    max-width: 360px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg, var(--bg-primary));
    color: var(--text-primary);
    font-size: 0.85rem;
}

.obs-search:focus {
    outline: none;
    border-color: var(--primary-color);
}

.obs-metric-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.obs-table-wrap {
    overflow-x: auto;
}

.obs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    table-layout: fixed;
}

.obs-table th,
.obs-table td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
}

.obs-table th {
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.obs-table th:hover {
    color: var(--text-primary);
}

.obs-table th .sort-arrow {
    margin-left: 4px;
    opacity: 0.5;
}

.obs-table th .sort-arrow.active {
    opacity: 1;
}

.obs-table td {
    color: var(--text-primary);
}

.obs-table tr:hover td {
    background: var(--hover-bg, rgba(255,255,255,0.03));
}

.obs-table .metric-name {
    font-family: var(--font-mono, 'SF Mono', monospace);
    font-size: 0.8rem;
    white-space: nowrap;
}

.obs-table .metric-labels {
    word-break: break-word;
    overflow-wrap: break-word;
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.obs-table .metric-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.obs-table .metric-badge.gauge   { background: rgba(59,130,246,0.15); color: #3b82f6; }
.obs-table .metric-badge.counter { background: rgba(34,197,94,0.15);  color: #22c55e; }
.obs-table .metric-badge.histogram { background: rgba(168,85,247,0.15); color: #a855f7; }
.obs-table .metric-badge.unknown { background: rgba(161,161,170,0.15); color: #a1a1aa; }

/* --- No-data state --- */
.obs-no-data {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.obs-no-data h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.obs-no-data p {
    margin: 0 0 20px;
    font-size: 0.9rem;
}

.obs-ts-hint-text {
    margin: 0 0 12px;
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* --- Demo badge --- */
.obs-simulated-badge {
    display: none;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.obs-simulated-badge.visible {
    display: inline-block;
}

/* --- Export button --- */
.obs-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.obs-btn:hover:not(:disabled) {
    background: var(--hover-bg, rgba(255,255,255,0.06));
    border-color: var(--primary-color);
}

.obs-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

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

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

/* --- Time Series tab --- */
.obs-ts-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.obs-ts-range-btns {
    display: flex;
    gap: 4px;
}

.obs-ts-range.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.obs-ts-custom-range {
    display: flex;
    gap: 4px;
    align-items: center;
}

.obs-ts-custom-input {
    width: 64px;
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.8rem;
    -moz-appearance: textfield;
}

.obs-ts-custom-input::-webkit-outer-spin-button,
.obs-ts-custom-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.obs-ts-custom-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.obs-ts-custom-select {
    padding: 5px 6px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
}

.obs-ts-custom-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.obs-ts-picker {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.obs-ts-picker label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}

.obs-ts-picker label:hover {
    color: var(--text-primary);
}

.obs-ts-live-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 14px;
    margin-bottom: 8px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.obs-ts-live-btn {
    padding: 3px 12px;
    font-size: 0.78rem;
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.obs-ts-live-btn:hover {
    opacity: 0.85;
}

.obs-ts-chart-wrap {
    min-height: 320px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    overflow: hidden;
}

/* uPlot dark theme overrides */
.uplot .u-legend .u-series { font-size: 0.8rem; }
.uplot .u-legend { text-align: left; padding: 4px 0; }

/* --- Latency tab --- */

/* Percentile summary table */
.obs-latency-summary {
    margin-bottom: 24px;
}

.obs-latency-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg, var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.obs-latency-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 10px 16px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.obs-latency-table th:first-child {
    text-align: left;
}

.obs-latency-table td {
    padding: 12px 16px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    text-align: right;
    font-family: var(--font-mono, monospace);
    color: var(--text-primary);
}

.obs-latency-table td:first-child {
    text-align: left;
    font-family: inherit;
    font-weight: 500;
    color: var(--text-secondary);
}

.obs-latency-table tr:last-child td {
    border-bottom: none;
}

.obs-latency-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.obs-latency-val-good { color: var(--success-color, #22c55e); }
.obs-latency-val-warn { color: var(--warning-color, #f59e0b); }
.obs-latency-val-bad  { color: var(--danger-color, #ef4444); }

/* Percentile marker bar */
.obs-pct-bar-cell {
    padding: 12px 16px !important;
    vertical-align: middle;
}

.obs-pct-bar {
    position: relative;
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    min-width: 120px;
}

.obs-pct-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--success-color, #22c55e), var(--warning-color, #f59e0b), var(--danger-color, #ef4444));
    opacity: 0.3;
}

.obs-pct-pin {
    position: absolute;
    top: -4px;
    width: 2px;
    height: 16px;
    border-radius: 1px;
    transform: translateX(-1px);
}

.obs-pct-pin-p50 { background: var(--success-color, #22c55e); }
.obs-pct-pin-p95 { background: var(--warning-color, #f59e0b); }
.obs-pct-pin-p99 { background: var(--danger-color, #ef4444); }

.obs-pct-pin-label {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.6rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Differential histogram */
.obs-diff-hist-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 12px;
}

.obs-diff-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
    font-size: 0.78rem;
}

.obs-diff-range {
    width: 100px;
    text-align: right;
    color: var(--text-secondary);
    font-family: var(--font-mono, monospace);
    flex-shrink: 0;
    font-size: 0.72rem;
}

.obs-diff-bar-bg {
    flex: 1;
    height: 18px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 3px;
    overflow: hidden;
}

.obs-diff-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
    background: var(--primary-color);
}

.obs-diff-bar-fill.peak {
    background: linear-gradient(90deg, var(--primary-color), #818cf8);
}

.obs-diff-count {
    width: 50px;
    text-align: right;
    color: var(--text-secondary);
    font-family: var(--font-mono, monospace);
    flex-shrink: 0;
}

.obs-diff-pct {
    width: 45px;
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.72rem;
    flex-shrink: 0;
}

[data-theme="light"] .obs-pct-bar {
    background: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .obs-diff-bar-bg {
    background: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .obs-latency-table th {
    background: rgba(0, 0, 0, 0.03);
}
[data-theme="light"] .obs-latency-table td {
    border-bottom-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .obs-latency-table tr:hover {
    background: rgba(0, 0, 0, 0.02);
}

/* Histogram distribution sections */
.obs-latency-histograms {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.obs-histogram-group {
    background: var(--card-bg, var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
}

.obs-histogram-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 12px;
}

.obs-histogram-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
    font-size: 0.78rem;
}

.obs-histogram-le {
    width: 65px;
    text-align: right;
    color: var(--text-secondary);
    font-family: var(--font-mono, monospace);
    flex-shrink: 0;
}

.obs-histogram-bar-bg {
    flex: 1;
    height: 16px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.obs-histogram-bar-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    transition: width 0.3s;
}

.obs-histogram-count {
    width: 50px;
    text-align: right;
    color: var(--text-secondary);
    font-family: var(--font-mono, monospace);
    flex-shrink: 0;
}

/* --- Alert history --- */
.obs-alert-history {
    margin-bottom: 16px;
}

.obs-alert-history-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.obs-alert-history-item .alert-time {
    font-family: var(--font-mono, monospace);
    font-size: 0.75rem;
    flex-shrink: 0;
    width: 60px;
}

.obs-alert-history-item.warning { color: #f59e0b; }
.obs-alert-history-item.danger  { color: #ef4444; }

/* --- Alert settings modal --- */
.obs-alert-settings {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.obs-alert-settings.visible {
    display: flex;
}

.obs-alert-settings-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    width: 500px;
    max-width: 90vw;
    max-height: 70vh;
    overflow-y: auto;
}

.obs-alert-settings-panel h3 {
    margin: 0 0 16px;
    font-size: 1.1rem;
}

.obs-alert-settings-panel table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.obs-alert-settings-panel th,
.obs-alert-settings-panel td {
    padding: 6px 8px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.obs-alert-settings-panel input[type="number"] {
    width: 70px;
    padding: 4px 6px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg, var(--bg-primary));
    color: var(--text-primary);
    font-size: 0.8rem;
}

/* --- Sidebar Health Dashboard --- */
.sidebar-dashboard {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    height: 100%;
    overflow-y: auto;
}

.sidebar-section {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section:last-of-type {
    border-bottom: none;
}

.sidebar-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    opacity: 0.8;
}

.sidebar-alerts-title {
    color: var(--warning-color, #f59e0b);
}

/* KV Cache gauge */
.sidebar-gauge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

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

.sidebar-gauge-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-gauge-value.status-ok     { color: var(--success-color, #22c55e); }
.sidebar-gauge-value.status-warning { color: var(--warning-color, #f59e0b); }
.sidebar-gauge-value.status-danger  { color: var(--danger-color, #ef4444); }

.sidebar-gauge-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.sidebar-gauge-fill {
    height: 100%;
    width: 0%;
    border-radius: 3px;
    background: var(--success-color, #22c55e);
    transition: width 0.3s, background 0.3s;
}

.health-badge-row {
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.health-item {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.health-item.status-ok     { color: var(--success-color, #22c55e); }
.health-item.status-warning { color: var(--warning-color, #f59e0b); }
.health-item.status-danger  { color: var(--danger-color, #ef4444); }

/* Metric rows */
.sidebar-metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 0;
}

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

.sidebar-metric-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono, monospace);
}

/* Sidebar alerts */
.sidebar-alert-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    font-size: 0.75rem;
}

.sidebar-alert-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sidebar-alert-dot.warning { background: var(--warning-color, #f59e0b); }
.sidebar-alert-dot.danger  { background: var(--danger-color, #ef4444); }

.sidebar-alert-text {
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Footer link */
.sidebar-footer {
    padding: 10px 14px;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s;
}

.sidebar-footer:hover {
    background: var(--hover-bg, rgba(255,255,255,0.04));
}

.sidebar-footer-link {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* --- Inline per-message metrics --- */
.message-metrics-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 6px 0 2px;
    margin-top: 6px;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.message-metrics-inline > span {
    white-space: nowrap;
}

.message-metrics-inline .metric-val {
    font-weight: 600;
}

.message-metrics-inline .metric-tokens  .metric-val { color: #60a5fa; }
.message-metrics-inline .metric-time    .metric-val { color: #a78bfa; }
.message-metrics-inline .metric-throughput .metric-val { color: #34d399; }
.message-metrics-inline .metric-kv      .metric-val { color: #fbbf24; }
.message-metrics-inline .metric-cache   .metric-val { color: #f472b6; }

[data-theme="light"] .message-metrics-inline .metric-tokens  .metric-val { color: #2563eb; }
[data-theme="light"] .message-metrics-inline .metric-time    .metric-val { color: #7c3aed; }
[data-theme="light"] .message-metrics-inline .metric-throughput .metric-val { color: #059669; }
[data-theme="light"] .message-metrics-inline .metric-kv      .metric-val { color: #d97706; }
[data-theme="light"] .message-metrics-inline .metric-cache   .metric-val { color: #db2777; }

/* --- Sidebar: Metrics Unavailable message --- */
.sidebar-unavailable {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px 20px;
    flex: 1;
}

.sidebar-unavailable-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    opacity: 0.5;
}

.sidebar-unavailable-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 8px;
}

.sidebar-unavailable-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin: 0;
    line-height: 1.5;
}

.sidebar-unavailable-text code {
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
}