/* Merz Analytics Dashboard */

:root {
    --sidebar-width: 280px;
    --bg: #f4f6fb;
    --surface: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --sidebar-bg: #0f172a;
    --sidebar-text: #cbd5e1;
    --sidebar-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.35);
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 4px 6px rgba(15, 23, 42, 0.04), 0 20px 48px rgba(15, 23, 42, 0.1);
    --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse at 0% 0%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Visibility helpers — never rely on [hidden] alone when display is set in CSS */
.is-visible { display: block; }
.is-hidden { display: none !important; }
.empty-state.is-visible { display: flex; }
.dashboard-content.is-visible { display: block; }
.header-meta.is-visible { display: inline-flex; }

/* Layout */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1.25rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

.sidebar-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    flex: 1;
    min-width: 0;
}

.brand-text { min-width: 0; }

.sidebar-close-btn {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: #cbd5e1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), color var(--transition);
}

.sidebar-close-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
    z-index: 150;
}

.sidebar-backdrop.is-visible { display: block; }

.app-shell.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}

.app-shell.sidebar-collapsed .main-content {
    margin-left: 0;
    max-width: none;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.sidebar-brand h1 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: -0.02em;
}

.sidebar-brand p {
    margin: 0.15rem 0 0;
    font-size: 0.75rem;
    color: var(--sidebar-muted);
}

.sidebar-section { flex: 1; }

.sidebar-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sidebar-muted);
    margin: 0 0 1rem;
}

.filter-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--sidebar-muted);
    margin-bottom: 0.4rem;
}

.form-group label i { font-size: 0.85rem; opacity: 0.8; }

.date-input-wrap {
    position: relative;
}

.date-input-wrap input.date-picker {
    width: 100%;
    padding: 0.7rem 2.5rem 0.7rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.07);
    color: #f1f5f9;
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.date-input-wrap input.date-picker:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.date-input-wrap input.date-picker:focus {
    outline: none;
    border-color: #818cf8;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
    background: rgba(255, 255, 255, 0.1);
}

.date-input-icon {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
    font-size: 1rem;
}

/* Flatpickr dark theme tweaks for sidebar */
.flatpickr-calendar {
    border-radius: 12px !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.flatpickr-day.selected,
.flatpickr-day.selected:hover {
    background: #6366f1 !important;
    border-color: #6366f1 !important;
}

.flatpickr-day:hover {
    background: rgba(99, 102, 241, 0.2) !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #7c3aed);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--sidebar-muted);
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Main content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 2.5rem 3rem;
    max-width: calc(1400px + var(--sidebar-width));
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 2rem;
    gap: 1rem;
}

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

.sidebar-open-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow);
    flex-shrink: 0;
    transition: transform var(--transition), box-shadow var(--transition);
}

.sidebar-open-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.app-shell.sidebar-collapsed .sidebar-open-btn {
    display: flex;
}

.page-header h2 {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
}

.subtitle {
    margin: 0.35rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.header-meta {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    box-shadow: var(--shadow);
    white-space: nowrap;
}

.header-meta i { color: var(--primary); }

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5rem 2rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
    box-shadow: var(--shadow);
}

.empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.25rem;
}

.empty-state h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.empty-state p {
    margin: 0;
    color: var(--text-muted);
    max-width: 380px;
}

.btn-empty-action {
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.25rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #6366f1, #7c3aed);
    color: #fff;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    transition: transform var(--transition), box-shadow var(--transition);
}

.btn-empty-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.dashboard-content {
    display: none;
    animation: fadeUp 0.4s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.metric-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.metric-indigo .metric-icon { background: #eef2ff; color: #6366f1; }
.metric-teal .metric-icon { background: #f0fdfa; color: #14b8a6; }
.metric-violet .metric-icon { background: #f5f3ff; color: #8b5cf6; }
.metric-amber .metric-icon { background: #fffbeb; color: #f59e0b; }
.metric-rose .metric-icon { background: #fff1f2; color: #f43f5e; }
.metric-sky .metric-icon { background: #f0f9ff; color: #0ea5e9; }
.metric-emerald .metric-icon { background: #ecfdf5; color: #10b981; }
.metric-red .metric-icon { background: #fef2f2; color: #ef4444; }
.metric-slate .metric-icon { background: #f1f5f9; color: #64748b; }
.metric-cyan .metric-icon  { background: #ecfeff; color: #0891b2; }
.metric-lime .metric-icon  { background: #f7fee7; color: #65a30d; }

.metric-value {
    display: block;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--text);
}

.metric-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.metric-label small {
    display: block;
    font-size: 0.7rem;
    color: #94a3b8;
    margin-top: 0.1rem;
}

.adverse-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.5rem;
}

.severity-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.68rem;
    font-weight: 500;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    line-height: 1.3;
}

.severity-chip strong {
    font-weight: 700;
}

.severity-high {
    background: #fee2e2;
    color: #b91c1c;
}

.severity-medium {
    background: #ffedd5;
    color: #c2410c;
}

.severity-low {
    background: #fef9c3;
    color: #a16207;
}

/* Panels */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.panel {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 1rem;
}

.panel-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.panel-header h3 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
}

.panel-header h3 i { color: var(--primary); font-size: 1rem; }

.panel-header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.panel-body { padding: 1.25rem; }

.chart-body {
    position: relative;
    height: 260px;
    display: flex;
    align-items: stretch;
}

.chart-body canvas {
    flex: 1;
    min-width: 0;
}

.chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    gap: 0.5rem;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table.is-hidden { display: none !important; }

.data-table thead th {
    text-align: left;
    padding: 0.65rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    background: #f8fafc;
}

.data-table tbody td {
    padding: 0.75rem;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: top;
}

.data-table tbody tr:hover { background: #f8fafc; }

.data-table tbody tr:last-child td { border-bottom: none; }

.data-table td:first-child {
    width: 40px;
    color: var(--text-muted);
    font-weight: 500;
}

.data-table--ranked td:last-child {
    width: 90px;
    text-align: right;
    font-weight: 600;
    color: var(--primary);
}

.table-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    margin: 0;
    font-size: 0.9rem;
}

.table-caption {
    margin: 0.75rem 0 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Search */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 0.75rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}

.search-box input {
    padding: 0.5rem 0.75rem 0.5rem 2.25rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.85rem;
    width: 240px;
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.session-count {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Session accordions */
.sessions-list { display: flex; flex-direction: column; gap: 0.5rem; }

.session-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.session-item:hover { box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06); }

.session-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.875rem 1rem;
    background: #f8fafc;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background var(--transition);
}

.session-toggle:hover { background: #f1f5f9; }

.session-toggle.open { background: #eef2ff; }

.session-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.session-meta strong { color: var(--text); font-weight: 600; }

.session-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    background: #eef2ff;
    color: var(--primary);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.session-toggle-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.session-chevron {
    color: var(--text-muted);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.session-toggle.open .session-chevron { transform: rotate(180deg); }

.session-body {
    display: none;
    padding: 0.5rem 1rem 1rem;
    border-top: 1px solid var(--border);
    background: #fff;
}

.session-body.open { display: block; }

.question-block {
    padding: 0.75rem 0.75rem;
    border-bottom: 1px solid #f1f5f9;
    border-left: 3px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: background var(--transition), border-left-color var(--transition);
    background: #f8fafc;
}

.question-block:hover:not(.question-selected) {
    background: #eef2ff;
    border-left-color: #a5b4fc;
}

.question-block.question-selected {
    background: #f0fdf4;
    border-left-color: #059669;
}

.question-block:last-child { border-bottom: none; }

.question-text {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.question-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 400;
}

.recs-list {
    margin: 0.4rem 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.rec-item {
    font-size: 0.82rem;
    padding: 0.15rem 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.rec-item--clicked {
    color: #059669;
}

.rec-item--skipped {
    color: var(--text-muted);
    opacity: 0.7;
}

.rec-clicked {
    color: #059669;
    flex-shrink: 0;
}

.rec-unclicked {
    color: var(--text-muted);
    flex-shrink: 0;
}

.rec-ext-badge {
    font-size: 0.68rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0 0.3rem;
    color: var(--text-muted);
    margin-left: 0.1rem;
    letter-spacing: 0.03em;
}

.ctr-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
}

.ctr-high { background: #dcfce7; color: #15803d; }
.ctr-mid  { background: #fef9c3; color: #a16207; }
.ctr-low  { background: #fee2e2; color: #b91c1c; }

.no-clicks {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Toasts */
.toast-container {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.875rem 1.125rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 420px;
}

.toast-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.toast-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.toast-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Loading overlay — hidden by default; only shown via .is-visible */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    z-index: 500;
}

.loading-overlay.is-visible {
    display: flex;
}

.loading-card {
    background: var(--surface);
    padding: 2rem 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Adverse panel accent */
.adverse-panel .panel-header { background: linear-gradient(180deg, #fef2f2 0%, #fff 100%); }
.adverse-panel .panel-header h3 i { color: #ef4444; }

/* Responsive */
@media (max-width: 1200px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .sidebar {
        width: min(300px, 88vw);
    }

    .main-content {
        margin-left: 0;
        padding: 1.25rem;
        max-width: none;
    }

    .app-shell:not(.sidebar-collapsed) .sidebar-backdrop.is-visible {
        display: block;
    }

    .app-shell.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
    }

    .sidebar-open-btn { display: flex; }

    .charts-row { grid-template-columns: 1fr; }

    .page-header { flex-direction: column; }
}

/* Survey panel */
.survey-summary { display: flex; flex-direction: column; gap: 1rem; }

.survey-metrics {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.survey-metric {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.survey-metric-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.survey-metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.survey-chart-wrap {
    position: relative;
}

/* Survey badge on session header */
.survey-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: #ede9fe;
    color: #7c3aed;
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    margin-right: 0.4rem;
}

/* Survey response inside session body */
.session-survey {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(124, 58, 237, 0.06);
    border-left: 3px solid #7c3aed;
    border-radius: 4px;
}

.session-survey-header {
    font-size: 0.82rem;
    font-weight: 600;
    color: #7c3aed;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.session-survey-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    padding: 0.2rem 0;
    color: var(--text-secondary);
}

.survey-solved-yes { color: #059669; font-weight: 600; }
.survey-solved-no  { color: #dc2626; font-weight: 600; }

.survey-stars {
    color: #f59e0b;
    letter-spacing: 0.05em;
}

.session-survey-comment {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    display: flex;
    gap: 0.4rem;
    align-items: flex-start;
}

@media (max-width: 600px) {
    .metrics-grid { grid-template-columns: 1fr; }

    .search-box input { width: 100%; }
}