/* ═══════════════════════════════════════════════════════════════════
   OCT Evaluation Webapp — Styles
   Dark theme with medical/clinical aesthetics
   ═══════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────────── */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2129;
    --bg-card-hover: #21262d;
    --bg-input: #0d1117;

    --border-default: #30363d;
    --border-muted: #21262d;
    --border-accent: #3b82f6;

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #656d76;
    --text-link: #58a6ff;

    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-orange: #d29922;
    --accent-purple: #a78bfa;
    --accent-teal: #2dd4bf;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.4);

    --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    --font-mono: 'Cascadia Code', 'Consolas', 'Courier New', monospace;

    --transition-fast: 0.15s ease;
    --transition-med: 0.25s ease;
}

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--accent-blue-hover);
    text-decoration: underline;
}

h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* ── Navigation ────────────────────────────────────────────────── */
.nav-bar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-default);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-logo {
    height: 28px;
    width: auto;
    filter: invert(1);
    opacity: 0.95;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}
.nav-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
}
.nav-link.active {
    background: var(--accent-blue);
    color: white;
}

/* ── Container ─────────────────────────────────────────────────── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Page Header ───────────────────────────────────────────────── */
.page-header {
    margin-bottom: 24px;
}
.page-header h1 {
    font-size: 1.75rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* ── Cards ─────────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow var(--transition-med);
}
.card:hover {
    box-shadow: var(--shadow-card-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-muted);
    background: rgba(255, 255, 255, 0.02);
}
.card-header h2 {
    font-size: 1.05rem;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}
.card-body.center {
    text-align: center;
}

/* ── Grid Layouts ──────────────────────────────────────────────── */
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 800px) {
    .grid-2col { grid-template-columns: 1fr; }
}

/* ── Forms ──────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
    outline: none;
}
.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-blue-hover);
    color: white;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border: none;
}
.btn-accent:hover:not(:disabled) {
    filter: brightness(1.1);
    color: white;
}

.btn-secondary {
    background: transparent;
    border-color: var(--border-default);
    color: var(--text-secondary);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.82rem;
}

/* ── Badges ────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
}

.badge-pair {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border-color: rgba(59, 130, 246, 0.3);
}

.badge-running {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-orange);
    border-color: rgba(210, 153, 34, 0.3);
    animation: pulse 1.5s infinite;
}

.badge-done {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    border-color: rgba(63, 185, 80, 0.3);
}

.badge-error {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
    border-color: rgba(248, 81, 73, 0.3);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ── Alerts ────────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.9rem;
}
.alert-error {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: var(--accent-red);
}

/* ── Overview Page ─────────────────────────────────────────────── */
.overview-status-card {
    border-color: rgba(63, 185, 80, 0.3);
    background: linear-gradient(135deg, rgba(63, 185, 80, 0.06), var(--bg-card));
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.status-dot-active {
    background: var(--accent-green);
    box-shadow: 0 0 8px rgba(63, 185, 80, 0.5);
    animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(63, 185, 80, 0.5); }
    50% { box-shadow: 0 0 16px rgba(63, 185, 80, 0.8); }
}

.config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
@media (max-width: 700px) {
    .config-grid { grid-template-columns: 1fr; }
}

.config-section-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-muted);
}

.mb-2 { margin-bottom: 16px; }

/* ── Status Messages ───────────────────────────────────────────── */
.status-msg {
    margin-top: 12px;
    font-size: 0.9rem;
}
.text-success { color: var(--accent-green); }
.text-error { color: var(--accent-red); }
.text-warning { color: var(--accent-orange); }
.text-muted { color: var(--text-muted); }

/* ── Deviation Highlighting (relative %) ──────────────────────── */
.rel-normal {
    color: var(--accent-green) !important;
}
.rel-warning {
    color: var(--accent-orange) !important;
    font-weight: 700;
}
.rel-severe {
    color: var(--accent-red) !important;
    font-weight: 700;
}

/* Deviation pills (inline badges for relative values) */
.dev-pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: var(--font-mono);
}
.dev-pill.dev-normal {
    background: rgba(63, 185, 80, 0.12);
    color: var(--accent-green);
}
.dev-pill.dev-warning {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-orange);
}
.dev-pill.dev-severe {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

/* ── Sticky Verify Bar ────────────────────────────────────────── */
.sticky-verify-bar {
    position: sticky;
    bottom: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 20px;
    background: rgba(22, 27, 34, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-default);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.3);
    flex-wrap: wrap;
}
.sticky-verify-bar .verify-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}
.sticky-verify-bar .verify-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Metrics Grouping ─────────────────────────────────────────── */
.metrics-group {
    margin-bottom: 20px;
}
.metrics-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    cursor: pointer;
    user-select: none;
}
.metrics-group-header h3 {
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.metrics-group-body {
    border: 1px solid var(--border-muted);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    overflow: hidden;
}

/* ── Hero Metric (large KPI) ──────────────────────────────────── */
.hero-metrics {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.hero-metric {
    flex: 1;
    min-width: 180px;
    padding: 16px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-md);
    text-align: center;
}
.hero-metric .hero-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.hero-metric .hero-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-teal);
}
.hero-metric .hero-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Keyboard Shortcut Hints ──────────────────────────────────── */
.kbd {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: 4px;
    color: var(--text-muted);
    line-height: 1.4;
}

.shortcut-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ── Breadcrumb ────────────────────────────────────────────────── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.crumb {
    color: var(--text-link);
    padding: 2px 6px;
    border-radius: 4px;
    transition: background var(--transition-fast);
}
.crumb:hover {
    background: var(--bg-card-hover);
    text-decoration: none;
}

.crumb-sep {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ── Tree View ─────────────────────────────────────────────────── */
.tree-container {
    min-height: 200px;
}

.tree-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 16px;
}

.tree-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-med);
}
.tree-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-card-hover);
}

.tree-card-pair {
    border-color: rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59, 130, 246, 0.04) 100%);
}

.tree-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-muted);
}

.folder-icon {
    font-size: 1.2rem;
}

.tree-card-name {
    font-weight: 600;
    font-size: 1rem;
    flex: 1;
}

.tree-card-subdirs {
    padding: 10px 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.subdir-link {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-link);
    transition: all var(--transition-fast);
}
.subdir-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
    text-decoration: none;
}

.tree-card-files {
    padding: 12px 16px;
}

.vol-file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-muted);
}
.vol-file-item:last-child {
    border-bottom: none;
}

.slo-thumbnail {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    background: var(--bg-secondary);
}

.vol-file-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.vol-file-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vol-file-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.tree-card-actions {
    padding: 12px 16px;
    border-top: 1px solid var(--border-muted);
    display: flex;
    justify-content: flex-end;
}

/* ── File Detail ───────────────────────────────────────────────── */
.slo-large {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
}

.slo-medium {
    max-width: 100%;
    max-height: 280px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
}

.meta-table {
    width: 100%;
    border-collapse: collapse;
}
.meta-table tr {
    border-bottom: 1px solid var(--border-muted);
}
.meta-table td {
    padding: 8px 0;
    font-size: 0.9rem;
}
.meta-key {
    color: var(--text-secondary);
    font-weight: 500;
    width: 140px;
}

/* ── B-Scan Viewer ─────────────────────────────────────────────── */
.bscan-image {
    max-width: 100%;
    max-height: 350px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    image-rendering: auto;
}

.bscan-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.slider-container {
    margin-top: 12px;
    padding: 0 8px;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border-default);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}
.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-blue);
    cursor: pointer;
    border: 2px solid var(--bg-card);
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    transition: transform var(--transition-fast);
}
.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ── B-Scan Canvas Overlay ────────────────────────────────────── */
.overlay-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 12px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    user-select: none;
}
.toggle-label input[type="checkbox"] {
    accent-color: var(--accent-blue);
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.toggle-text {
    font-weight: 500;
}

.overlay-legend {
    margin-left: auto;
    display: flex;
    gap: 14px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.bscan-canvas-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    background: #000;
    max-height: 450px;
}
.bscan-canvas-wrap canvas {
    display: block;
    max-width: 100%;
    max-height: 450px;
    margin: 0 auto;
    image-rendering: auto;
}

/* ── Export Button ─────────────────────────────────────────────── */
.btn-export {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-teal));
    color: #0d1117;
    font-weight: 700;
}
.btn-export:hover:not(:disabled) {
    filter: brightness(1.1);
    color: #0d1117;
}

/* [Removed: Metric Selection Panel — no longer used after export consolidation] */

/* ── SLO Canvas ───────────────────────────────────────────────── */
.slo-canvas-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    background: #000;
}
.slo-canvas-wrap canvas {
    display: block;
    max-width: 100%;
    max-height: 400px;
    margin: 0 auto;
    image-rendering: auto;
}

/* ── Metrics Tables ────────────────────────────────────────────── */
.metrics-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.metrics-table thead th {
    text-align: left;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    border-bottom: 2px solid var(--border-default);
}
.metrics-table tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.metrics-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.metric-highlight {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}
.metric-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.metric-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-teal);
}

/* ── Pair View ─────────────────────────────────────────────────── */
.pair-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.pair-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.pair-info-item span:first-child {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
}
.pair-info-item span:last-child {
    font-weight: 600;
    font-size: 1rem;
}

/* ── Utilities ─────────────────────────────────────────────────── */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.95rem;
}
.loading::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-default);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    margin-right: 12px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ── Scrollbar ─────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Verification Badges ──────────────────────────────────────── */
.badge-verified {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    border-color: rgba(63, 185, 80, 0.3);
}

.badge-partial {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-orange);
    border-color: rgba(210, 153, 34, 0.3);
}

.badge-muted {
    background: rgba(139, 148, 158, 0.1);
    color: var(--text-muted);
    border-color: rgba(139, 148, 158, 0.2);
    font-weight: 500;
}

.badge-unverified {
    background: rgba(139, 148, 158, 0.1);
    color: var(--text-muted);
    border-color: var(--border-default);
}

/* ── Verify Button ────────────────────────────────────────────── */
.btn-verify {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.btn-verify:hover:not(:disabled) {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: rgba(63, 185, 80, 0.08);
}
.btn-verify.verified {
    border-color: var(--accent-green);
    background: rgba(63, 185, 80, 0.12);
    color: var(--accent-green);
}
.btn-verify:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Upload Button ────────────────────────────────────────────── */
.btn-upload {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 2px solid rgba(59, 130, 246, 0.4);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    background: rgba(59, 130, 246, 0.08);
    color: var(--accent-blue);
    transition: all var(--transition-fast);
}
.btn-upload:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-blue);
}
.btn-upload:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Verified Tree Card ───────────────────────────────────────── */
.tree-card-verified {
    border-color: rgba(63, 185, 80, 0.3);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(63, 185, 80, 0.04) 100%);
}

/* ── Loading Spinner (for tree) ───────────────────────────────── */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-default);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

/* ── Pair Eye Verification Status ─────────────────────────────── */
.pair-eye-status {
    display: flex;
    gap: 12px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-muted);
    font-size: 0.85rem;
}

.eye-status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    flex: 1;
    justify-content: center;
}

.eye-status-item.verified {
    background: rgba(63, 185, 80, 0.1);
    color: var(--accent-green);
}

.eye-status-item.unverified {
    background: rgba(139, 148, 158, 0.08);
    color: var(--text-muted);
}

/* ── Pair SLO Preview (tree view) ────────────────────────────── */
.pair-slo-preview {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-muted);
}
.pair-slo-multi {
    border-top: 1px solid var(--border-muted);
}
.pair-slo-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.pair-slo-row {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.pair-slo-eye {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex: 1;
    max-width: 160px;
}
.pair-slo-eye a {
    display: block;
}
.pair-slo-eye .slo-thumbnail {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-default);
    transition: border-color var(--transition-fast);
}
.pair-slo-eye a:hover .slo-thumbnail {
    border-color: var(--accent-blue);
}
.pair-slo-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 0.78rem;
}
.pair-slo-role {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.72rem;
}
.pair-slo-file {
    color: var(--text-muted);
    font-size: 0.72rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}
.pair-slo-actions {
    display: flex;
    justify-content: center;
    margin-top: 8px;
}

/* Larger SLO thumbnails for current-level pair preview */
.slo-thumbnail-lg {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-default);
    transition: border-color var(--transition-fast);
}
.pair-slo-eye a:hover .slo-thumbnail-lg {
    border-color: var(--accent-blue);
}

.current-pair-section {
    margin-bottom: 20px;
}
.pair-card-current {
    margin-bottom: 12px;
}
.pair-card-current .pair-slo-eye {
    max-width: 200px;
}
.pair-card-current .pair-slo-row {
    gap: 32px;
}

/* ── Fovea Recenter Alert ────────────────────────────────────── */
.fovea-alert {
    border: 1px solid rgba(210, 153, 34, 0.4);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(210, 153, 34, 0.06) 100%);
    padding: 14px 18px;
}
.fovea-alert-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.fovea-alert-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.fovea-alert-icon {
    font-size: 1.3rem;
    line-height: 1;
}
.fovea-alert-info strong {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-orange);
    margin-bottom: 2px;
}
.fovea-alert-detail {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.fovea-alert-detail strong {
    display: inline;
    color: var(--text-primary);
    font-size: inherit;
}

/* ── Tag System ──────────────────────────────────────────────── */

/* Tag pills (full size, used in file detail) */
.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    background: color-mix(in srgb, var(--tag-color, #888) 15%, transparent);
    color: var(--tag-color, #888);
    border: 1px solid color-mix(in srgb, var(--tag-color, #888) 30%, transparent);
    margin: 2px 4px 2px 0;
    transition: all var(--transition-fast);
}

.tag-pill-cat {
    font-weight: 700;
    opacity: 0.7;
    font-size: 0.75rem;
    margin-right: 2px;
}

.tag-pill-remove {
    background: none;
    border: none;
    color: var(--tag-color, #888);
    font-size: 1rem;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}
.tag-pill-remove:hover {
    opacity: 1;
}

/* Tag pills (small, used in tree view) */
.tag-pill-sm {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: color-mix(in srgb, var(--tag-color, #888) 12%, transparent);
    color: var(--tag-color, #888);
    border: 1px solid color-mix(in srgb, var(--tag-color, #888) 25%, transparent);
    margin: 1px 2px;
    white-space: nowrap;
}

/* Tag display area */
.tag-display {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    min-height: 32px;
}

/* Tag editor section */
.tag-editor {
    margin-top: 12px;
}

.tag-editor-hint {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* Tag palette (grouped by category) */
.tag-palette-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-muted);
}

.tag-palette-cat {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 80px;
}

/* Tag chips (clickable in palette) */
.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-default);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}
.tag-chip:hover {
    border-color: var(--tag-color, #888);
    background: color-mix(in srgb, var(--tag-color, #888) 10%, transparent);
    color: var(--tag-color, #888);
}
.tag-chip-active {
    background: color-mix(in srgb, var(--tag-color, #888) 18%, transparent);
    color: var(--tag-color, #888);
    border-color: color-mix(in srgb, var(--tag-color, #888) 40%, transparent);
    font-weight: 700;
}

/* Tag management section */
.tag-manager {
    margin-top: 12px;
}

.tag-mgmt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 800px) {
    .tag-mgmt-grid { grid-template-columns: 1fr; }
}

.tag-mgmt-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-muted);
}

.tag-mgmt-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 2px 6px;
    border-radius: 4px;
    opacity: 0.5;
    transition: all var(--transition-fast);
}
.tag-mgmt-delete:hover {
    opacity: 1;
    background: rgba(248, 81, 73, 0.1);
}

/* [Removed: bottom-verify-card — replaced by sticky-verify-bar] */

/* ── Query Page ──────────────────────────────────────────────── */

.query-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border: 2px solid var(--border-default);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}
.query-chip:hover {
    border-color: var(--tag-color, #888);
    color: var(--tag-color, #888);
}
.query-chip-include {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    border-color: var(--accent-green);
    font-weight: 700;
    box-shadow: 0 0 0 1px rgba(63, 185, 80, 0.3);
}
.query-chip-exclude {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red, #f85149);
    border-color: var(--accent-red, #f85149);
    font-weight: 700;
    text-decoration: line-through;
    box-shadow: 0 0 0 1px rgba(248, 81, 73, 0.3);
}

.query-summary {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.85rem;
}
.query-summary-label {
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: 4px;
}
.query-summary-label.include {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
}
.query-summary-label.exclude {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red, #f85149);
}

.query-excluded {
    text-decoration: line-through;
    opacity: 0.7;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* [Removed: duplicate .btn-accent — already defined above] */

/* ── Pair Navigation ──────────────────────────────────────────── */
.pair-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.pair-nav .btn {
    padding: 6px 14px;
    font-size: 0.82rem;
}