/* ========================================
   CSS Variables
   ======================================== */
:root {
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --primary-darker: #4c51bf;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --grid-color: #e0e0e0;
    --axis-color: #333;
    --label-color: #666;
    --background-light: #f8f9fa;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --sidebar-width: 320px;
    --container-max-width: 1400px;
    --border-radius: 0.625rem;
    --border-radius-lg: 1rem;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 8px;
}

/* ── App Header ──────────────────────────── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0;
    flex-wrap: wrap;
}
.app-brand {
    font-size: 16px;
    font-weight: 700;
    color: #333;
    white-space: nowrap;
}
.app-data-source {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 13px;
}
.header-select {
    padding: 5px 8px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 13px;
    background: white;
    max-width: 180px;
    cursor: pointer;
}
.header-btn {
    padding: 5px 12px;
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}
.header-btn:disabled { opacity: .4; cursor: default; }
.header-sep { color: #999; font-size: 11px; }
.header-file-btn {
    padding: 5px 12px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
}
.header-file-btn.has-file {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}
.header-file-name {
    font-size: 11px;
    color: #666;
}

/* CSV format help (ⓘ next to "Upload CSV") */
.csv-help-btn {
    width: 22px; height: 22px; border-radius: 50%;
    border: 1px solid #cbd5e1; background: white; color: #475569;
    font-size: 12px; cursor: pointer; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    -webkit-tap-highlight-color: transparent;
}
.csv-help-btn:hover, .csv-help-btn.active {
    background: #e0e7ff; border-color: var(--primary-color); color: var(--primary-color);
}
.csv-help-tip {
    position: fixed; z-index: 10000;
    background: white; border: 1px solid #cbd5e1; border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
    padding: 12px 14px; max-width: 380px; font-size: 12px; color: #334155;
}
.csv-help-title { font-weight: 700; font-size: 13px; color: #1e293b; margin-bottom: 6px; }
.csv-help-body p { margin: 6px 0; }
.csv-help-body code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px; background: #f1f5f9; padding: 1px 4px; border-radius: 3px;
}
.csv-help-body ul { margin: 6px 0 0 18px; padding: 0; }
.csv-help-body li { margin: 3px 0; }
.csv-help-note { color: #64748b; }

/* After data loaded, collapse header further */
.app-header.has-data .app-data-source { font-size: 11px; }

/* ── Layout ──────────────────────────────── */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 12px;
}

h1 { display: none; } /* replaced by .app-brand */

.page-content { padding: 8px; background: white; border-radius: var(--border-radius); }

/* ── Loading ─────────────────────────────── */
.loading { display:none; text-align:center; padding:var(--spacing-lg); }
.loading.active { display:block; }
.spinner {
    border:4px solid #f3f3f3; border-top:4px solid var(--primary-color);
    border-radius:50%; width:40px; height:40px;
    animation:spin 1s linear infinite; margin:0 auto;
}
@keyframes spin { 0%{transform:rotate(0)} 100%{transform:rotate(360deg)} }
.error-message {
    color:var(--danger-color); margin-top:var(--spacing-md); padding:var(--spacing-md);
    background:#f8d7da; border-radius:var(--border-radius); display:none;
}

/* ── Tab Navigation ──────────────────────── */
.tab-navigation {
    display: flex;
    gap: 2px;
    border-bottom: 2px solid var(--grid-color);
    padding: 4px 0;
    margin-bottom: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.tab-navigation::-webkit-scrollbar { display: none; }
.tab-btn {
    flex-shrink: 0;
    padding: 7px 14px;
    background: transparent;
    color: var(--label-color);
    border: none;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    min-height: 36px;
}
.tab-btn:hover { background: #f0f0f0; }
.tab-btn.active { background: var(--primary-color); color: white; }

/* ── Chart Sections ──────────────────────── */
.chart-section { display: none; }
.chart-section.active { display: block; }
.chart-container { margin:4px 0; padding:6px; background:var(--background-light); border-radius:var(--border-radius); display:none; width:100%; overflow:hidden; }
.chart-container.active { display:block; }
.chart-container svg { display:block; margin:0 auto; max-width:100%; height:auto; }
.chart-title {
    font-size: 14px;
    color: var(--axis-color);
    padding: 6px 10px;
    text-align: center;
    font-weight: var(--font-weight-semibold);
    background: white;
    border-bottom: 1px solid var(--grid-color);
}

/* ── Compact Summary ─────────────────────── */
.summary-podium { display:flex; flex-direction:column; gap:4px; margin-bottom:10px; }
.podium-card {
    display:flex; align-items:center; gap:8px; padding:7px 10px;
    background:white; border-radius:6px; border-left:4px solid #ddd; font-size:13px;
}
.podium-1 { border-color:#FFD700; background:linear-gradient(to right,#fffdf0,white); }
.podium-2 { border-color:#C0C0C0; }
.podium-3 { border-color:#CD7F32; }
.podium-medal { font-size:16px; }
.podium-name { flex:1; font-weight:600; }
.podium-time { font-weight:700; color:var(--primary-color); font-variant-numeric:tabular-nums; }

.summary-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:4px; margin-bottom:10px; }
.mini-stat { text-align:center; padding:6px 2px; background:white; border-radius:6px; }
.ms-val { display:block; font-weight:700; font-size:15px; color:var(--primary-color); }
.ms-label { display:block; font-size:9px; color:#888; text-transform:uppercase; letter-spacing:.5px; }

.summary-segments { display:grid; grid-template-columns:repeat(3,1fr); gap:6px; }
.seg-col { background:white; border-radius:6px; padding:8px; }
.seg-header { font-weight:700; font-size:12px; color:#333; margin-bottom:4px; padding-bottom:3px; border-bottom:1px solid #eee; }
.seg-entry { display:flex; flex-wrap:wrap; align-items:baseline; gap:3px; padding:2px 0; font-size:11px; }
.seg-rank { font-weight:700; color:var(--primary-color); min-width:14px; }
.seg-name { flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.seg-time { font-weight:600; font-variant-numeric:tabular-nums; }
.seg-pace { color:#888; font-size:9px; width:100%; padding-left:14px; }

/* ── Inline Filter Controls ──────────────── */
.inline-filters {
    display:flex; flex-direction:column; gap:4px;
    margin-bottom:6px; padding:4px 6px;
    background:#f0f4f8; border-radius:6px;
}
.filter-chip-row {
    display:flex; gap:3px; align-items:center; flex-wrap:wrap;
}
.preset-chip {
    padding:4px 10px; border:1px solid #cbd5e1; border-radius:14px;
    background:white; cursor:pointer; font-size:11px; font-weight:600;
    color:#334155; transition:all .15s; -webkit-tap-highlight-color:transparent;
    white-space:nowrap;
}
.preset-chip.active { background:var(--primary-color); color:white; border-color:var(--primary-color); }
.preset-chip:active { transform:scale(.95); }

.search-toggle { 
    width:28px; height:28px; border-radius:50%; border:1px solid #cbd5e1;
    background:white; cursor:pointer; font-size:13px; display:flex;
    align-items:center; justify-content:center; margin-left:auto;
}
.inline-search-row {
    display:none; gap:0; position:relative;
}
.inline-search-row.open { display:flex; }
.inline-search-input {
    width:100%; padding:6px 10px; border:1px solid #ddd; border-radius:6px;
    font-size:13px; background:white; -webkit-appearance:none;
}
.inline-search-input:focus { outline:none; border-color:var(--primary-color); }
.inline-search-results {
    position:absolute; top:100%; left:0; right:0; z-index:100;
    background:white; border:1px solid #ddd; border-radius:0 0 8px 8px;
    box-shadow:0 4px 12px rgba(0,0,0,.15); max-height:180px; overflow-y:auto;
    display:none;
}
.inline-search-results.open { display:block; }
.sr-row {
    display:flex; align-items:center; gap:6px; padding:8px 10px;
    cursor:pointer; border-bottom:1px solid #f0f0f0; font-size:12px;
}
.sr-row:active { background:#e3f2fd; }
.sr-rank { font-weight:700; color:var(--primary-color); min-width:24px; }
.sr-name { flex:1; }
.sr-toggle { font-weight:700; color:var(--success-color); }
.sr-toggle.hidden { color:#ccc; }
.sr-no-results { padding:10px; color:#999; text-align:center; font-size:12px; }

/* ── Section Filters (dev chart) ─────────── */
.section-filters {
    margin-bottom:4px; display:flex; align-items:center; gap:4px;
    font-size:11px; padding:3px 6px; background:#f0f0f0; border-radius:4px;
}
.section-filter-btn {
    padding:3px 8px; border:1px solid #ccc; border-radius:4px;
    background:#fff; color:#333; font-size:11px; cursor:pointer;
}
.section-filter-btn.active { background:var(--primary-color); color:#fff; border-color:var(--primary-color); }

/* Height slider */
.height-control-slider {
    margin-bottom:4px; display:flex; align-items:center; gap:6px;
    font-size:11px; padding:3px 6px; background:#f0f0f0; border-radius:4px;
}

/* ── Buttons ─────────────────────────────── */
.btn {
    padding:var(--spacing-sm) var(--spacing-md); background:var(--primary-color);
    color:white; border:none; border-radius:var(--border-radius); cursor:pointer;
    font-size:var(--font-size-sm); font-weight:var(--font-weight-medium);
    transition:all var(--transition-normal);
}
.btn:hover { background:var(--primary-dark); }
.btn.toggle-all { background:var(--success-color); }

/* ── Sidebar (hidden by default) ─────────── */
.sidebar {
    position:fixed; left:calc(-1 * var(--sidebar-width)); top:0;
    width:var(--sidebar-width); height:100vh; background:white;
    border-right:1px solid var(--grid-color); box-shadow:2px 0 10px rgba(0,0,0,.1);
    transition:left var(--transition-normal); z-index:1000; overflow-y:auto;
}
.sidebar.open { left:0; }
.sidebar-toggle { display:none!important; }
.sidebar-header { padding:var(--spacing-lg); border-bottom:1px solid var(--grid-color); background:var(--background-light); }
.sidebar-content { padding:var(--spacing-lg); }

/* ── SVG Chart Elements ──────────────────── */
.axis text { font-family:var(--font-family); font-size:var(--font-size-xs); fill:var(--axis-color); }
.axis-label { font-family:var(--font-family); font-size:var(--font-size-sm); font-weight:var(--font-weight-semibold); fill:var(--axis-color); }
.grid line { stroke:var(--grid-color); stroke-opacity:.7; shape-rendering:crispEdges; }
.grid path { stroke-width:0; }

.athlete-path { fill:none; stroke-width:1.5; opacity:.4; pointer-events:none; transition:opacity .2s,stroke-width .2s; }
.athlete-path.hidden { display:none; }
.athlete-path-hitarea { pointer-events:stroke; stroke:transparent; stroke-width:12; fill:none; }
.athlete-path-hitarea.hidden { display:none; pointer-events:none; }
.athlete-circle { opacity:.8; transition:all .2s; }
.athlete-circle.hidden { display:none; }

.radar-area { fill-opacity:.2; stroke-width:2; transition:all .2s; }
.radar-area:hover { fill-opacity:.4; stroke-width:3; }
.radar-area.hidden { display:none; }
.radar-dots { fill-opacity:.8; }
.radar-dots.hidden { display:none; }

/* Spotlight states */
.athlete-path.spotlight-dimmed { opacity:.08!important; }
.athlete-circle.spotlight-dimmed { opacity:.04!important; }
.athlete-path.spotlighted { opacity:1!important; }
.athlete-circle.spotlighted { opacity:1!important; }
.athlete-path.filtered-out { opacity:.05!important; stroke-width:.75!important; }
.athlete-circle.filtered-out { opacity:.03!important; }
.spotlight-label { pointer-events:none; }

/* ── Tooltip ─────────────────────────────── */
.tooltip {
    position:absolute; text-align:left; padding:var(--spacing-md); font-size:var(--font-size-xs);
    background:rgba(0,0,0,.9); color:white; border-radius:var(--border-radius);
    pointer-events:none; opacity:0; transition:opacity var(--transition-normal);
    z-index:1000; max-width:250px;
}

/* ── Stats ───────────────────────────────── */
.finishers-data { display:block; padding:0; }
.top-performances { display:block; padding:0; }

/* ── Team Rankings ───────────────────────── */
.team-rankings,.country-rankings { display:flex; flex-direction:column; gap:3px; }
.team-row { background:white; border-radius:4px; overflow:hidden; box-shadow:0 1px 3px rgba(0,0,0,.08); }
.team-row.podium { background:linear-gradient(to right,#fffdf5,white); }
.team-summary { display:flex; align-items:center; padding:8px 10px; cursor:pointer; user-select:none; gap:8px; }
.team-summary:hover { background:rgba(0,0,0,.03); }
.team-rank { font-size:14px; font-weight:700; min-width:28px; color:#333; }
.team-info { display:flex; flex-direction:column; min-width:80px; }
.team-name { font-weight:700; font-size:13px; display:flex; align-items:center; gap:4px; }
.team-score { font-size:11px; color:#666; font-weight:500; }
.team-averages { display:flex; gap:6px; font-size:10px; color:#555; }
.avg { background:#f5f5f5; padding:1px 5px; border-radius:3px; white-space:nowrap; }
.avg.swim { border-left:2px solid #0891b2; }
.avg.bike { border-left:2px solid #059669; }
.avg.run { border-left:2px solid #dc2626; }
.scoring-positions { display:flex; gap:2px; flex-wrap:wrap; flex:1; justify-content:flex-end; }
.pos { padding:1px 5px; border-radius:3px; font-size:9px; font-weight:600; }
.pos.scoring,.pos.counting { color:white; }
.pos.displacer { background:#e0e0e0; color:#666; }
.expand-icon { color:#999; font-size:10px; transition:transform .3s; margin-left:4px; }
.team-row.expanded .expand-icon { transform:rotate(180deg); }
.team-details { display:none; padding:6px 10px 10px; background:#fafafa; border-top:1px solid #eee; }
.team-row.expanded .team-details { display:block; }
.athletes-table { width:100%; border-collapse:collapse; font-size:10px; }
.athletes-table th { text-align:left; padding:3px 6px; font-weight:600; color:#666; border-bottom:1px solid #ddd; font-size:9px; text-transform:uppercase; }
.athletes-table td { padding:4px 6px; border-bottom:1px solid #eee; }
.athletes-table .athlete-name-cell { font-weight:600; }
.athletes-table .time-cell { font-family:'Courier New',monospace; font-size:10px; }
.athletes-table .pace-cell { font-size:9px; color:#888; }
.athletes-table tr.displacer { opacity:.7; background:#f5f5f5; }
.divider-row td { font-size:8px; font-weight:600; color:#999; text-transform:uppercase; padding:6px; border-bottom:1px dashed #ddd!important; background:#f0f0f0; }
.scoring-note { font-size:10px; color:#666; margin-top:8px; padding:6px 10px; background:#fff3cd; border-left:3px solid #ffc107; border-radius:4px; }
.scoring-rules { margin-top:8px; padding:8px 10px; background:#f8f9fa; border-radius:6px; font-size:10px; color:#555; border:1px solid #e0e7ff; }
.scoring-rules strong { color:var(--primary-color); }
.country-info-box { background:#f0f4ff; border-left:4px solid var(--primary-color); padding:10px; border-radius:var(--border-radius); margin-bottom:10px; }
.country-info-box h3 { margin:0 0 4px; color:var(--primary-color); font-size:13px; }
.country-info-box p { margin:0; color:var(--label-color); font-size:12px; }
.other-athletes { margin-top:6px; font-size:9px; color:#888; font-style:italic; padding:6px; background:#f9f9f9; border-radius:4px; }

/* ── Checkpoint Nav ──────────────────────── */
.checkpoint-navigation { display:flex; align-items:center; justify-content:center; gap:12px; padding:12px; background:linear-gradient(135deg,#667eea,#764ba2); border-radius:10px; margin-bottom:10px; }
.checkpoint-nav-btn { width:36px; height:36px; border-radius:50%; background:white; border:none; display:flex; align-items:center; justify-content:center; cursor:pointer; }
.checkpoint-nav-btn.disabled { opacity:.3; cursor:not-allowed; }
.checkpoint-nav-btn .arrow { font-size:18px; color:#667eea; font-weight:bold; }
.checkpoint-info { text-align:center; color:white; min-width:160px; }
.checkpoint-label { font-size:10px; opacity:.9; text-transform:uppercase; letter-spacing:1px; }
.checkpoint-name { font-size:20px; font-weight:700; margin:3px 0; }
.checkpoint-indicator { display:flex; gap:6px; justify-content:center; margin-top:6px; }
.checkpoint-indicator .dot { width:7px; height:7px; border-radius:50%; background:rgba(255,255,255,.3); }
.checkpoint-indicator .dot.active { background:white; transform:scale(1.5); }
.checkpoint-indicator .dot.passed { background:rgba(255,255,255,.6); }
.position-changes { font-size:10px; margin-top:4px; opacity:.9; font-style:italic; }

/* ── Settings ────────────────────────────── */
.settings-card { max-width:560px; margin:0 auto; padding:var(--spacing-md); }
.settings-section { margin-bottom:var(--spacing-lg); }
.settings-section-title {
    font-size:11px; font-weight:700; text-transform:uppercase;
    letter-spacing:.08em; color:#94a3b8;
    margin-bottom:10px; padding-left:2px;
}
.settings-presets {
    display:grid; grid-template-columns:repeat(3,1fr);
    gap:8px;
}
.settings-preset {
    display:flex; flex-direction:column; align-items:center; gap:2px;
    padding:12px 8px; border:1.5px solid #e2e8f0; border-radius:10px;
    background:#fff; cursor:pointer; text-align:center;
    transition:all .15s ease;
}
.settings-preset:hover { border-color:#cbd5e1; }
.settings-preset.active {
    border-color:var(--primary-color); background:#eef0ff;
}
.settings-preset-label { font-size:13px; font-weight:600; color:#334155; }
.settings-preset-sub { font-size:10px; color:#94a3b8; }
.settings-preset.active .settings-preset-label { color:var(--primary-darker); }

.settings-row { margin-bottom:14px; }
.settings-row-head {
    display:flex; justify-content:space-between; align-items:baseline;
    margin-bottom:6px;
}
.settings-label { font-size:13px; font-weight:600; color:#334155; }
.settings-value {
    font-size:13px; font-weight:700; color:var(--primary-color);
    font-variant-numeric:tabular-nums;
}
.settings-row-foot {
    display:flex; justify-content:space-between;
    font-size:10px; color:#94a3b8; margin-top:3px;
}
#settingsSection input[type="range"] {
    -webkit-appearance:none; appearance:none;
    height:6px; width:100%;
    background:linear-gradient(to right, var(--primary-color) 0%, var(--primary-color) 50%, #e2e8f0 50%, #e2e8f0 100%);
    border-radius:3px; outline:none;
}
#settingsSection input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance:none; appearance:none;
    width:18px; height:18px;
    background:#fff; border:2px solid var(--primary-color);
    border-radius:50%; cursor:pointer;
    box-shadow:0 1px 3px rgba(0,0,0,.15);
}
#settingsSection input[type="range"]::-moz-range-thumb {
    width:18px; height:18px;
    background:#fff; border:2px solid var(--primary-color);
    border-radius:50%; cursor:pointer;
    box-shadow:0 1px 3px rgba(0,0,0,.15);
}
.settings-save {
    width:100%; padding:12px; font-size:14px; font-weight:600;
    margin-top:8px;
}
.settings-save.saved { background:#22c55e; }
.settings-note {
    margin:12px 0 0; font-size:11px; color:#94a3b8; text-align:center;
}

/* ── Dialog ──────────────────────────────── */
.dialog-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,.7); z-index:2000; display:flex; align-items:center; justify-content:center; }
.dialog-content { background:white; border-radius:var(--border-radius-lg); width:90%; max-width:800px; max-height:90vh; overflow-y:auto; }
.dialog-header { padding:var(--spacing-lg); border-bottom:1px solid var(--grid-color); display:flex; justify-content:space-between; align-items:center; }
.dialog-close { background:none; border:none; font-size:30px; cursor:pointer; color:var(--label-color); }
.dialog-body { padding:var(--spacing-lg); }
.control-group { margin-bottom:var(--spacing-lg); padding:var(--spacing-md); background:var(--background-light); border-radius:var(--border-radius); }
.control-group label { display:block; font-weight:var(--font-weight-semibold); margin-bottom:var(--spacing-sm); color:var(--axis-color); }

/* ── Rank chart specific ─────────────────── */
#rankChart svg { max-width:none!important; }
#rankChart .scroll-container { -webkit-overflow-scrolling:touch; }
#rankChart foreignObject div { font-family:var(--font-family); }

/* ── Chart info button ───────────────────── */
.chart-info-btn {
    width:24px; height:24px; border-radius:50%; border:1px solid #bbb;
    background:#f5f5f5; font-size:13px; cursor:pointer; color:#555; line-height:1;
}

/* ── App-level info button (pinned top-right of viewport) ─────── */
.app-info-btn {
    position:fixed; top:8px; right:8px; z-index:1200;
    width:28px; height:28px; border-radius:50%;
    border:1px solid #cbd5e1; background:#f8fafc;
    color:#475569; font-size:14px; line-height:1;
    cursor:pointer;
    display:inline-flex; align-items:center; justify-content:center;
    box-shadow:0 1px 3px rgba(0,0,0,.08);
}
.app-info-btn:hover { background:#e2e8f0; border-color:#94a3b8; }
.app-info-btn.active { background:#3b82f6; color:#fff; border-color:#3b82f6; }
.app-info-tip {
    position:fixed; z-index:1100;
    background:#2d3748; color:#fff;
    padding:12px 14px; border-radius:8px;
    font-size:12px; line-height:1.6;
    max-width:320px; min-width:220px;
    box-shadow:0 6px 20px rgba(0,0,0,.18);
}
.app-info-tip strong { color:#fbbf24; display:block; margin-bottom:4px; }
.app-info-tip ul { margin:4px 0 0; padding-left:18px; }
.app-info-tip li { margin-bottom:3px; }

/* ── Mobile ──────────────────────────────── */
@media (max-width: 768px) {
    body { padding:4px; }
    .container { padding:8px; border-radius:10px; }
    .chart-title { display:none; }
    .chart-container { padding:4px; margin:2px 0; }
    .tab-btn { padding:6px 10px; font-size:12px; min-height:44px; }
    .app-header { padding:4px 0; }
    .tooltip { position:fixed!important; z-index:10000; box-shadow:0 4px 20px rgba(0,0,0,.3); }
    .team-averages { display:none; }
    .team-summary { flex-wrap:wrap; gap:6px; padding:6px 8px; }
    .seg-pace { display:none; }
    .scoring-positions { width:100%; justify-content:flex-start; }
    .checkpoint-navigation { padding:10px; gap:8px; }
    .checkpoint-name { font-size:16px; }
    .checkpoint-info { min-width:120px; }
}

@media (max-width: 480px) {
    .tab-navigation { gap:1px; }
    .tab-btn { padding:5px 8px; font-size:11px; }
    .summary-segments { gap:4px; }
    .seg-col { padding:6px; }
    .seg-entry { font-size:10px; }
}

/* ── Reduced motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .athlete-path, .athlete-circle { transition:none!important; }
}

/* ── Sidebar legacy ──────────────────────── */
.athlete-list { max-height:12.5rem; overflow-y:auto; border:1px solid var(--grid-color); border-radius:var(--border-radius); padding:var(--spacing-sm); }
.country-list { max-height:8rem; overflow-y:auto; border:1px solid var(--grid-color); border-radius:var(--border-radius); padding:var(--spacing-sm); display:grid; grid-template-columns:repeat(3,1fr); gap:var(--spacing-xs); }

/* ── Spider compact table ────────────────── */
.spider-table-container { overflow-x:auto; -webkit-overflow-scrolling:touch; }
.spider-table-container table { width:100%; border-collapse:collapse; font-size:12px; min-width:420px; }
.spider-table-container th { padding:6px; border:1px solid #ddd; background:#f5f5f5; text-align:center; font-size:11px; position:sticky; top:0; z-index:5; }
.spider-table-container td { padding:5px 6px; border:1px solid #ddd; text-align:center; }
.spider-table-container td:first-child, .spider-table-container th:first-child { text-align:left; position:sticky; left:0; background:white; z-index:2; }
.spider-table-container th:first-child { z-index:10; background:#f5f5f5; }

/* ═══════════════════════════════════════════
   MOBILE-FIRST OVERHAUL  – append to existing
   ═══════════════════════════════════════════ */

/* ── App Header ──────────────────────────── */
.app-header {
    display:flex; align-items:center; justify-content:space-between;
    gap:8px; padding:4px 0; flex-wrap:wrap; margin-bottom:4px;
}
.app-brand { font-size:15px; font-weight:700; color:#333; white-space:nowrap; }
.app-data-source { display:flex; align-items:center; gap:6px; flex-wrap:wrap; font-size:12px; }
.header-select { padding:4px 8px; border:1px solid #ccc; border-radius:6px; font-size:12px; background:white; max-width:170px; }
.header-btn { padding:4px 10px; border:1px solid var(--primary-color); border-radius:6px; background:var(--primary-color); color:white; font-size:11px; font-weight:600; cursor:pointer; }
.header-btn:disabled { opacity:.4; cursor:default; }
.header-sep { color:#999; font-size:10px; }
.header-file-btn { padding:4px 10px; background:white; border:1px solid #ccc; border-radius:6px; font-size:11px; font-weight:600; color:var(--primary-color); cursor:pointer; }
.header-file-btn.has-file { background:var(--success-color); color:white; border-color:var(--success-color); padding:3px 8px; font-size:10px; }
.header-file-name { font-size:10px; color:#666; }
h1 { display:none; }
.upload-section { display:none!important; }

/* ── Compact Summary ─────────────────────── */
.summary-podium { display:flex; flex-direction:column; gap:3px; margin-bottom:8px; }
.podium-card { display:flex; align-items:center; gap:6px; padding:6px 8px; background:white; border-radius:5px; border-left:3px solid #ddd; font-size:12px; }
.podium-1 { border-color:#FFD700; background:linear-gradient(to right,#fffdf0,white); }
.podium-2 { border-color:#C0C0C0; } .podium-3 { border-color:#CD7F32; }
.podium-medal { font-size:14px; } .podium-name { flex:1; font-weight:600; }
.podium-time { font-weight:700; color:var(--primary-color); font-variant-numeric:tabular-nums; font-size:13px; }
.summary-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:3px; margin-bottom:8px; }
.mini-stat { text-align:center; padding:5px 2px; background:white; border-radius:5px; }
.ms-val { display:block; font-weight:700; font-size:14px; color:var(--primary-color); }
.ms-label { display:block; font-size:8px; color:#888; text-transform:uppercase; letter-spacing:.4px; }
.summary-segments { display:grid; grid-template-columns:repeat(3,1fr); gap:4px; }
.seg-col { background:white; border-radius:5px; padding:6px; }
.seg-header { font-weight:700; font-size:11px; color:#333; margin-bottom:3px; padding-bottom:2px; border-bottom:1px solid #eee; }
.seg-entry { display:flex; flex-wrap:wrap; align-items:baseline; gap:2px; padding:2px 0; font-size:10px; }
.seg-rank { font-weight:700; color:var(--primary-color); min-width:12px; }
.seg-name { flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.seg-time { font-weight:600; font-variant-numeric:tabular-nums; }
.seg-pace { color:#888; font-size:8px; width:100%; padding-left:12px; }

/* ── World Triathlon browser modal ──────── */
.src-overlay {
    position:fixed; inset:0; background:rgba(15,23,42,.55); z-index:9999;
    display:flex; align-items:center; justify-content:center; padding:16px;
}
.src-modal {
    background:white; border-radius:8px; width:min(420px, 100%);
    max-height:90vh; display:flex; flex-direction:column; overflow:hidden;
    box-shadow:0 12px 40px rgba(0,0,0,.3);
}
.src-modal-head {
    display:flex; align-items:center; justify-content:space-between;
    padding:10px 14px; border-bottom:1px solid #e5e7eb; background:#f8fafc;
}
.src-modal-title { font-weight:700; font-size:14px; color:#1e293b; }
.src-modal-close {
    background:transparent; border:none; font-size:22px; line-height:1;
    color:#64748b; cursor:pointer; padding:0 4px;
}
.src-modal-close:hover { color:#1e293b; }
.src-modal-body {
    padding:14px; display:flex; flex-direction:column; gap:10px;
    overflow-y:auto;
}
.src-field { display:flex; flex-direction:column; gap:3px; }
.src-field > span { font-size:11px; font-weight:600; color:#475569; }
.src-field select {
    padding:6px 8px; border:1px solid #cbd5e1; border-radius:5px;
    background:white; font-size:13px;
}
.src-field select:disabled { background:#f1f5f9; color:#94a3b8; }
.src-status { font-size:11px; color:#64748b; min-height:14px; }
.src-modal-foot {
    padding:10px 14px; border-top:1px solid #e5e7eb; background:#f8fafc;
    display:flex; justify-content:flex-end;
}

/* ── Inline Filter Controls ──────────────── */
.inline-filters { display:flex; flex-direction:column; gap:3px; margin-bottom:4px; padding:3px 4px; background:#f0f4f8; border-radius:5px; }
.filter-chip-row { display:flex; gap:2px; align-items:center; flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none; }
.filter-chip-row::-webkit-scrollbar { display:none; }
.preset-chip {
    flex-shrink:0; padding:3px 9px; border:1px solid #cbd5e1; border-radius:12px;
    background:white; cursor:pointer; font-size:10px; font-weight:600;
    color:#475569; white-space:nowrap; -webkit-tap-highlight-color:transparent;
    height:26px;
}
.preset-chip.active { background:var(--primary-color); color:white; border-color:var(--primary-color); }
.preset-chip:active { transform:scale(.95); }
.filter-icon-btn {
    flex-shrink:0; width:26px; height:26px; border-radius:50%; border:1px solid #cbd5e1;
    background:white; cursor:pointer; font-size:12px; display:flex;
    align-items:center; justify-content:center; -webkit-tap-highlight-color:transparent;
}
.filter-icon-btn.active { background:#e0e7ff; border-color:var(--primary-color); }

/* Country chip row */
.country-chip-row { display:none; gap:2px; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; padding:1px 0; }
.country-chip-row::-webkit-scrollbar { display:none; }
.country-chip-row.open { display:flex; }
.country-chip {
    flex-shrink:0; padding:3px 9px;
    border:1px solid #cbd5e1; border-radius:11px;
    background:#fff; color:#475569;
    cursor:pointer; font-size:10px; font-weight:500; white-space:nowrap;
    -webkit-tap-highlight-color:transparent; transition:all .15s;
}
.country-chip:hover { border-color:#94a3b8; background:#f1f5f9; }
.country-chip.active {
    border-color:var(--primary-color);
    background:var(--primary-color);
    color:#fff;
    font-weight:700;
    box-shadow:0 1px 3px rgba(102,126,234,.4);
}
.country-chip.dimmed { opacity:.5; color:#94a3b8; }

/* Search row */
.inline-search-row { display:none; position:relative; }
.inline-search-row.open { display:block; }
.inline-search-input {
    width:100%; padding:5px 8px; border:1px solid #ddd; border-radius:5px;
    font-size:12px; background:white; -webkit-appearance:none; box-sizing:border-box;
}
.inline-search-input:focus { outline:none; border-color:var(--primary-color); }
.inline-search-results {
    position:absolute; top:100%; left:0; right:0; z-index:200;
    background:white; border:1px solid #ddd; border-radius:0 0 6px 6px;
    box-shadow:0 4px 12px rgba(0,0,0,.15); max-height:160px; overflow-y:auto; display:none;
}
.inline-search-results.open { display:block; }
.sr-row { display:flex; align-items:center; gap:6px; padding:7px 8px; cursor:pointer; border-bottom:1px solid #f0f0f0; font-size:11px; }
.sr-row:active { background:#e3f2fd; }
.sr-rank { font-weight:700; color:var(--primary-color); min-width:22px; }
.sr-name { flex:1; }
.sr-toggle { font-size:14px; } .sr-toggle.on { color:var(--success-color); } .sr-toggle.off { color:#ccc; }
.sr-no-results { padding:10px; color:#999; text-align:center; font-size:11px; }

/* ── Focus + Spread combined row ─────────── */
.chart-controls-row {
    display:flex; flex-wrap:wrap; align-items:center; gap:4px; font-size:10px;
    padding:2px 4px; background:#f0f0f0; border-radius:4px; margin-bottom:3px;
}
.chart-controls-row .label { font-weight:600; color:#555; white-space:nowrap; }
.focus-btn {
    padding:2px 7px; border:1px solid #ccc; border-radius:3px;
    background:#fff; color:#333; font-size:10px; cursor:pointer;
}
.focus-btn.active { background:var(--primary-color); color:#fff; border-color:var(--primary-color); }
.spread-slider { flex:1; min-width:40px; height:16px; margin:0 4px; }
.spread-val { font-size:9px; color:#888; min-width:28px; text-align:right; }

/* ── Tooltip fix ─────────────────────────── */
.tooltip { z-index:10000!important; }
@media (max-width:768px) {
    .tooltip { position:fixed!important; box-shadow:0 4px 20px rgba(0,0,0,.3); border:1px solid rgba(255,255,255,.15); }
}

/* ── Full-height charts ──────────────────── */
#devChartContainer, #spiderChartContainer { padding:2px; }
@media (max-width:768px) {
    .chart-title { display:none; }
    .chart-container { padding:2px; margin:0; }
    .page-content { padding:6px; }
    .seg-pace { display:none; }
    body { padding:3px; }
    .container { padding:6px; border-radius:8px; }
}

/* ── Spider chart polished table ─────────── */
.spider-table-wrap {
    overflow-x:auto; overflow-y:auto; -webkit-overflow-scrolling:touch;
    border:1px solid #e0e0e0; border-radius:6px; background:white;
    min-width:0;
}
.spider-tbl { width:100%; border-collapse:collapse; font-size:11px; min-width:400px; }
.spider-tbl thead th {
    padding:6px 5px; font-size:10px; font-weight:700; color:#555;
    background:#f8f9fa; border-bottom:2px solid #e0e0e0; text-align:center;
    position:sticky; top:0; z-index:5; text-transform:uppercase; letter-spacing:.3px;
}
.spider-tbl thead th:first-child { text-align:left; z-index:10; }
.spider-tbl tbody tr { border-bottom:1px solid #f0f0f0; }
.spider-tbl tbody tr:nth-child(even) { background:#fafbfc; }
.spider-tbl tbody tr:hover { background:#f0f4ff; }
.spider-tbl td { padding:5px; vertical-align:middle; text-align:center; }
.spider-tbl td:first-child { text-align:left; position:sticky; left:0; background:inherit; z-index:2; min-width:110px; }
.spider-tbl .ath-cell { display:flex; align-items:center; gap:5px; }
.spider-tbl .cdot { width:7px; height:7px; border-radius:50%; flex-shrink:0; }
.spider-tbl .aname { font-weight:600; font-size:11px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:90px; }
.spider-tbl .acountry { font-size:9px; color:#888; }
.team-logo { height:1.2em; width:auto; max-width:2.5em; object-fit:contain; vertical-align:middle; }
.spider-tbl .tval { font-weight:500; font-variant-numeric:tabular-nums; }
.spider-tbl .rbadge {
    display:inline-block; padding:1px 5px; border-radius:8px; font-size:9px; font-weight:700; margin-top:1px;
}
.rbadge.top { background:#d1fae5; color:#065f46; }
.rbadge.mid { background:#fef3c7; color:#92400e; }
.rbadge.low { background:#fce4ec; color:#9a1b1f; }
.spider-tbl .tpace { font-size:8px; color:#0066cc; margin-top:1px; }
.spider-tbl .spider-remove-col { width:24px; padding:0; }
.spider-tbl .spider-remove-cell { padding:2px; width:24px; }
.spider-remove-btn {
    background:transparent; border:none; padding:2px 5px; cursor:pointer;
    color:#bbb; font-size:12px; line-height:1; border-radius:3px;
    transition:background .12s, color .12s;
}
.spider-remove-btn:hover { background:#fee2e2; color:#b91c1c; }
.spider-empty { text-align:center; color:#999; padding:30px 20px; font-size:13px; }

/* ── Spotlight name label ────────────────── */
.spotlight-name { pointer-events:none; text-shadow:0 0 3px white,0 0 6px white; }

/* ═══════════════════════════════════════════
   DESKTOP TYPE SCALE  – upscale tiny mobile-first text on wider viewports
   ═══════════════════════════════════════════ */
@media (min-width: 769px) {
    /* Header */
    .app-brand { font-size:20px; }
    .app-data-source { font-size:14px; }
    .header-select { font-size:14px; padding:6px 10px; max-width:280px; }
    .header-btn { font-size:13px; padding:6px 14px; }
    .header-file-btn { font-size:13px; padding:6px 14px; }
    .header-file-btn.has-file { font-size:12px; padding:5px 12px; }
    .header-file-name { font-size:12px; }
    .header-sep { font-size:12px; }

    /* Tabs */
    .tab-btn { font-size:14px; padding:9px 18px; min-height:40px; }

    /* Chart titles */
    .chart-title { font-size:16px; padding:8px 12px; }

    /* Podium */
    .podium-card { font-size:14px; padding:9px 12px; gap:10px; }
    .podium-medal { font-size:20px; }
    .podium-time { font-size:15px; }

    /* Mini stats */
    .ms-val { font-size:18px; }
    .ms-label { font-size:11px; letter-spacing:.6px; }
    .mini-stat { padding:8px 4px; }

    /* Segment summary */
    .seg-col { padding:10px; }
    .seg-header { font-size:13px; }
    .seg-entry { font-size:13px; gap:4px; padding:3px 0; }
    .seg-rank { min-width:18px; }
    .seg-pace { font-size:11px; padding-left:18px; }

    /* Filter chips */
    .inline-filters { gap:5px; padding:5px 8px; }
    .preset-chip { font-size:13px; padding:5px 12px; border-radius:14px; }
    .country-chip { font-size:12px; padding:4px 11px; }
    .filter-icon-btn { width:32px; height:32px; font-size:15px; }

    /* Search */
    .inline-search-input { font-size:14px; padding:8px 12px; }
    .sr-row { font-size:13px; padding:9px 12px; }
    .sr-rank { font-size:13px; min-width:28px; }

    /* Section filters / chart controls */
    .section-filters { font-size:13px; padding:5px 10px; gap:6px; }
    .section-filter-btn { font-size:13px; padding:4px 10px; }
    .chart-controls-row { font-size:12px; padding:4px 8px; gap:6px; }
    .focus-btn { font-size:12px; padding:4px 10px; }
    .spread-val { font-size:11px; min-width:34px; }
    .height-control-slider { font-size:12px; padding:5px 8px; gap:8px; }

    /* Team / country rankings */
    .team-summary { padding:10px 12px; gap:10px; }
    .team-rank { font-size:16px; min-width:32px; }
    .team-name { font-size:15px; gap:6px; }
    .team-score { font-size:12px; }
    .team-averages { font-size:12px; gap:8px; }
    .avg { padding:2px 7px; }
    .pos { font-size:11px; padding:2px 7px; }
    .expand-icon { font-size:12px; }

    /* Athletes table inside team rows */
    .athletes-table { font-size:12px; }
    .athletes-table th { font-size:11px; padding:5px 8px; }
    .athletes-table td { padding:6px 8px; }
    .athletes-table .time-cell { font-size:12px; }
    .athletes-table .pace-cell { font-size:11px; }
    .divider-row td { font-size:10px; padding:7px; }
    .scoring-note { font-size:12px; padding:8px 12px; }
    .scoring-rules { font-size:12px; padding:10px 12px; }
    .country-info-box h3 { font-size:15px; }
    .country-info-box p { font-size:13px; }
    .other-athletes { font-size:11px; padding:8px; }

    /* Spider table */
    .spider-tbl { font-size:13px; }
    .spider-tbl thead th { font-size:11px; padding:8px 6px; }
    .spider-tbl td { padding:7px 6px; }
    .spider-tbl .aname { font-size:13px; max-width:140px; }
    .spider-tbl .acountry { font-size:11px; }
    .spider-tbl .tval { font-size:13px; }
    .spider-tbl .rbadge { font-size:10px; padding:2px 7px; }
    .spider-tbl .tpace { font-size:10px; }
    .spider-tbl td:first-child { min-width:140px; }
    .spider-tbl .spider-remove-col,
    .spider-tbl .spider-remove-cell { width:32px; }
    .spider-remove-btn { font-size:14px; padding:6px 8px; }

    /* Checkpoint navigation */
    .checkpoint-label { font-size:12px; letter-spacing:1.2px; }
    .checkpoint-name { font-size:22px; }
    .position-changes { font-size:12px; }
    .checkpoint-info { min-width:200px; }

    /* Tooltip */
    .tooltip { font-size:13px; padding:12px 14px; max-width:300px; }

    /* App-level info button (bigger touch target unnecessary on desktop, but readable) */
    .app-info-btn { width:32px; height:32px; font-size:15px; }
    .app-info-tip { font-size:13px; max-width:360px; }

    /* SVG axis labels */
    .axis text { font-size:12px; }
    .axis-label { font-size:14px; }
}

/* Slightly more breathing room on large desktops */
@media (min-width: 1200px) {
    .app-brand { font-size:22px; }
    .tab-btn { font-size:15px; padding:10px 20px; }
    .chart-title { font-size:17px; }
    .ms-val { font-size:20px; }
    .seg-entry { font-size:14px; }
    .team-name { font-size:16px; }
    .spider-tbl { font-size:14px; }
    .spider-tbl .aname { font-size:14px; }
}