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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f6f8;
    color: #222;
    margin: 0;
    padding: 0;
}

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
}

.race-selector-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.race-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #555;
    white-space: nowrap;
}

.race-dropdown {
    flex: 1;
    max-width: 340px;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a2e;
}

.section {
    background: #fff;
    border-radius: 10px;
    padding: 24px 28px;
    margin-bottom: 28px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.section h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 18px;
    color: #1a1a2e;
}

.section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 20px 0 10px;
    color: #333;
}

.section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 0 8px;
    color: #555;
}

/* ── Add a race ───────────────────────────────────────────────────────────── */
.add-race {
    margin: -8px 0 24px;
}

.add-race > summary {
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: #2c7bb6;
    user-select: none;
}

.add-race-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 12px 0 8px;
}

.add-input {
    padding: 8px 10px;
    border: 1px solid #cfd4da;
    border-radius: 6px;
    font-size: 0.85rem;
}

.add-input--url  { flex: 2; min-width: 260px; }
.add-input--name { flex: 1; min-width: 200px; }

.add-btn {
    padding: 8px 18px;
    border: none;
    border-radius: 6px;
    background: #2c7bb6;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.add-btn:hover { background: #24689b; }

.add-race-status { font-size: 0.85rem; min-height: 1.2em; }
.add-ok    { color: #2e8b57; font-weight: 600; }
.add-error { color: #c0392b; font-weight: 600; }

.add-race-hint {
    font-size: 0.75rem;
    color: #888;
    margin-top: 4px;
}

.add-btn--wide { margin-top: 10px; }

.add-divider {
    border: none;
    border-top: 1px solid #e3e6ea;
    margin: 18px 0 12px;
}

.search-results {
    max-height: 230px;
    overflow-y: auto;
    margin: 8px 0;
    border: 1px solid #e3e6ea;
    border-radius: 6px;
    padding: 4px 0;
}

.search-results:empty {
    display: none;
}

.search-result {
    display: block;
    padding: 6px 12px;
    font-size: 0.82rem;
    color: #333;
    cursor: pointer;
    border-radius: 4px;
}

.search-result:hover {
    background: #f0f4f8;
}

.search-result input {
    margin-right: 8px;
}

/* KPI cards */
.kpi-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 8px;
}

.kpi-card {
    background: #f0f4ff;
    border-radius: 8px;
    padding: 14px 20px;
    min-width: 140px;
    flex: 1;
}

.kpi-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e7a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kpi-label {
    font-size: 0.78rem;
    color: #666;
    margin-top: 4px;
}

/* Fastest split cards */
.split-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 6px;
}

.split-card {
    background: #f8f9fb;
    border: 1px solid #e2e6ea;
    border-radius: 7px;
    padding: 10px 16px;
    min-width: 110px;
    flex: 1;
}

.split-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.split-time {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a7a4a;
    margin: 2px 0;
}

.split-name {
    font-size: 0.78rem;
    color: #555;
}

.split-sub {
    font-size: 0.75rem;
    color: #666;
    margin-top: 2px;
}

/* Summary chart */
.summary-chart {
    max-width: 100%;
    border-radius: 6px;
    margin-bottom: 6px;
}

/* Tables */
.tables-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.tables-row > div {
    flex: 1;
    min-width: 260px;
}

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

.summary-table th {
    background: #f0f4ff;
    padding: 7px 10px;
    text-align: left;
    font-weight: 600;
    color: #2c3e7a;
    border-bottom: 2px solid #d0d8f0;
}

.summary-table td {
    padding: 6px 10px;
    border-bottom: 1px solid #eee;
}

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

/* Athlete controls */
.controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 200px;
}

.control-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #555;
}

.control-group--wide {
    flex: 2;
}

/* Collapsible sections */
.collapsible {
    margin-bottom: 6px;
}

.collapsible > summary {
    font-size: 0.95rem;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    padding: 8px 0;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.collapsible > summary::before {
    content: '▶';
    font-size: 0.65rem;
    color: #888;
    transition: transform 0.15s;
}

.collapsible[open] > summary::before {
    transform: rotate(90deg);
}

.collapsible > .split-row {
    padding-top: 8px;
}

/* Stats bar */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.stat {
    background: #f0f4ff;
    border-radius: 5px;
    padding: 5px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #2c3e7a;
}

/* Athlete chart */
.athlete-chart {
    max-width: 100%;
    border-radius: 6px;
}

hr {
    border: none;
    border-top: 1px solid #e5e8ed;
    margin: 0 0 28px;
}

/* Comparison stats */
.comparison-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.athlete-col {
    flex: 1;
    min-width: 220px;
    background: #f8f9fb;
    border-radius: 8px;
    padding: 12px 16px;
    border-left: 4px solid #ccc;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.athlete-col--a { border-left-color: #2c7bb6; }
.athlete-col--b { border-left-color: #f07030; }

.athlete-col-name {
    width: 100%;
    font-weight: 700;
    font-size: 0.95rem;
    color: #1a1a2e;
    margin-bottom: 2px;
}

/* Age-group analysis */
.summary-table.ag-table td, .summary-table.ag-table th {
    text-align: right;
}
.summary-table.ag-table td:first-child, .summary-table.ag-table th:first-child {
    text-align: left;
}
.ag-table tr.highlight {
    background: #fff3cd;
    font-weight: 600;
}
.ag-note {
    color: #666;
    font-size: 0.85rem;
    margin: 8px 0 16px;
}

/* Std-dev / percentile display toggle: every chart+table pair renders both
   modes (age_group_layout.py's _chart_and_table()); this is what shows only
   one at a time. Toggled by a class on <body>, flipped by one clientside
   callback (callbacks.py) reacting to the single page-wide button below --
   not per-chart, so every pair switches together. */
body:not(.stats-mode-percentile) .stats-percentile {
    display: none;
}
body.stats-mode-percentile .stats-sigma {
    display: none;
}
.stats-mode-btn {
    font-size: 0.95rem;
    padding: 10px 18px;
    border-radius: 8px;
    border: 1px solid #ccc;
    background: #f5f5f5;
    cursor: pointer;
    margin: 4px 0 16px;
}
.stats-mode-btn:hover {
    background: #eee;
}