/* ═══════════════════════════════════════════════════════════
   Tennis Matchup Lab — Dark Analytics Theme
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg: #0b1220;
    --card: #0f172a;
    --card-2: #111827;
    --border: #1f2937;
    --text: #e2e8f0;
    --muted: #9ca3af;
    --accent: #2563eb;
    --accent-2: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);

    /* Tennis-specific */
    --court-green: #16a34a;
    --surface-hard: #3b82f6;
    --surface-clay: #ea580c;
    --surface-grass: #22c55e;
    --surface-indoor: #a78bfa;
    --adv-home: rgba(59, 130, 246, 0.14);
    --adv-away: rgba(16, 185, 129, 0.14);
    --adv-home-border: #3b82f6;
    --adv-away-border: #10b981;
    --win: #22c55e;
    --loss: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
.hidden { display: none !important; }

body {
    font-family: 'DM Sans', sans-serif;
    background:
        radial-gradient(circle at 15% 10%, rgba(22, 163, 74, 0.06), transparent 40%),
        radial-gradient(circle at 85% 5%, rgba(37, 99, 235, 0.07), transparent 35%),
        var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Page Shell ── */

.page-shell {
    max-width: 1000px;
    margin: 0 auto;
    padding: 28px 16px 60px;
}

/* ── Header ── */

.page-header { margin-bottom: 18px; }

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.back-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
}

.title-block {
    display: flex;
    align-items: center;
    gap: 14px;
}

.title-icon {
    font-size: 38px;
    line-height: 1;
}

.title-block h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-top: 2px;
}

/* ── Controls Bar ── */

.controls-bar {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 20px;
    position: sticky;
    top: 8px;
    z-index: 10;
    box-shadow: var(--shadow);
}

.control-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.control {
    flex: 1;
    min-width: 140px;
}

.control label {
    display: block;
    font-weight: 600;
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.control select {
    width: 100%;
    padding: 9px 12px;
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.control select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Toggle */
.toggle-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding-bottom: 4px;
    user-select: none;
}

.toggle-pill input { display: none; }

.toggle-track {
    width: 36px;
    height: 20px;
    background: var(--border);
    border-radius: 10px;
    position: relative;
    transition: background 0.2s;
}

.toggle-thumb {
    width: 16px;
    height: 16px;
    background: var(--muted);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.2s, background 0.2s;
}

.toggle-pill input:checked + .toggle-track {
    background: rgba(37, 99, 235, 0.4);
}

.toggle-pill input:checked + .toggle-track .toggle-thumb {
    transform: translateX(16px);
    background: var(--accent);
}

.toggle-text {
    font-size: 13px;
    color: var(--muted);
    font-weight: 500;
}

.meta-bar {
    margin-top: 10px;
    font-size: 12px;
    color: var(--muted);
}

/* ── Loading ── */

.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 60px 20px;
    color: var(--muted);
    font-size: 14px;
}

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
    font-size: 15px;
}

/* ═══════════════════════════════════════════════════
   Match Cards
   ═══════════════════════════════════════════════════ */

.match-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.match-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s;
}

.match-card:hover {
    border-color: #334155;
}

/* ── Card Header (tournament + surface) ── */

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px 0;
    gap: 8px;
}

.card-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tournament-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.surface-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.surface-hard {
    background: rgba(59, 130, 246, 0.15);
    color: var(--surface-hard);
}

.surface-clay {
    background: rgba(234, 88, 12, 0.15);
    color: var(--surface-clay);
}

.surface-grass {
    background: rgba(34, 197, 94, 0.15);
    color: var(--surface-grass);
}

.surface-indoor {
    background: rgba(167, 139, 250, 0.15);
    color: var(--surface-indoor);
}

.status-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-scheduled {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
}

.status-finished {
    background: rgba(16, 185, 129, 0.12);
    color: var(--accent-2);
}

/* ── Player Row (names + PLS + rank) ── */

.player-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 12px 16px 8px;
    gap: 12px;
}

.player-side {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.player-side.away { align-items: flex-start; }
.player-side.home { align-items: flex-end; text-align: right; }

.player-name {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.player-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.player-side.home .player-meta {
    flex-direction: row-reverse;
}

.pls-value {
    font-weight: 700;
    color: var(--warning);
}

.rank-badge {
    background: var(--card-2);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
}

.record-text {
    color: var(--muted);
    font-weight: 500;
}

.vs-divider {
    font-size: 12px;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ── Odds Row ── */

.odds-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 6px 16px 8px;
    gap: 12px;
    border-top: 1px solid var(--border);
    background: rgba(17, 24, 39, 0.5);
}

.odds-col {
    display: flex;
    align-items: center;
    gap: 10px;
}

.odds-col.away { justify-content: flex-start; }
.odds-col.home { justify-content: flex-end; }

.odds-ml {
    font-size: 15px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--text);
}

.odds-ml.is-fav {
    color: var(--warning);
}

.odds-spread {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    background: var(--card-2);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 4px;
    font-variant-numeric: tabular-nums;
}

.odds-center {
    display: flex;
    align-items: center;
    gap: 4px;
}

.odds-total-label {
    font-size: 10px;
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
}

.odds-total-line {
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

.odds-unavailable {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 11px;
    color: #374151;
    font-style: italic;
}

/* ── Advantage Bar ── */

.advantage-bar {
    display: flex;
    align-items: center;
    padding: 0 16px 10px;
    gap: 6px;
}

.adv-track {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--card-2);
    overflow: hidden;
    display: flex;
}

.adv-fill-away {
    background: var(--accent-2);
    border-radius: 3px 0 0 3px;
    transition: width 0.4s ease;
}

.adv-fill-home {
    background: var(--accent);
    border-radius: 0 3px 3px 0;
    transition: width 0.4s ease;
}

.adv-label {
    font-size: 11px;
    font-weight: 700;
    min-width: 18px;
    text-align: center;
}

.adv-label.away { color: var(--accent-2); }
.adv-label.home { color: var(--accent); }

/* ── Expand Trigger ── */

.card-expand-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px 12px;
    cursor: pointer;
    user-select: none;
    transition: opacity 0.15s;
}

.card-expand-trigger:hover { opacity: 0.8; }

.expand-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
}

.expand-icon {
    font-size: 10px;
    color: var(--accent);
    transition: transform 0.3s;
}

.match-card.expanded .expand-icon {
    transform: rotate(180deg);
}

.match-card.expanded .expand-text::after {
    content: '';
}

/* ── Card Detail (expandable) ── */

.card-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.match-card.expanded .card-detail {
    max-height: 2000px;
}

.detail-inner {
    padding: 0 16px 16px;
    border-top: 1px solid var(--border);
}

/* ── Window Tabs ── */

.window-tabs {
    display: flex;
    gap: 4px;
    padding: 12px 0;
}

.window-tab {
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    color: var(--muted);
    background: transparent;
    border: 1px solid transparent;
    font-family: inherit;
    transition: all 0.15s;
}

.window-tab:hover {
    color: var(--text);
    background: var(--card-2);
}

.window-tab.active {
    color: var(--text);
    background: var(--card-2);
    border-color: var(--border);
}

/* ═══════════════════════════════════════════════════
   Stat Grid
   ═══════════════════════════════════════════════════ */

.stat-grid {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

/* Group header (SERVE / RETURN / OVERALL) */
.stat-group-header {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #475569;
    padding: 8px 12px 4px;
    background: var(--card-2);
    border-bottom: 1px solid var(--border);
}

.stat-group-header:not(:first-child) {
    border-top: 1px solid var(--border);
}

/* Column header row */
.stat-col-header {
    display: grid;
    grid-template-columns: 1fr 130px 1fr;
    padding: 4px 12px;
    background: var(--card-2);
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-col-header .col-away { text-align: left; }
.stat-col-header .col-label { text-align: center; }
.stat-col-header .col-home { text-align: right; }

/* Individual stat row */
.stat-row {
    display: grid;
    grid-template-columns: 1fr 130px 1fr;
    align-items: center;
    padding: 6px 12px;
    border-bottom: 1px solid rgba(31, 41, 55, 0.5);
    font-size: 14px;
    transition: background 0.15s;
}

.stat-row:last-child { border-bottom: none; }

.stat-row:hover {
    background: rgba(255, 255, 255, 0.02);
}

.stat-val {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    position: relative;
    padding: 3px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.stat-val.away { text-align: left; }
.stat-val.home { text-align: right; }

.stat-val.is-adv {
    font-weight: 700;
}

.stat-val.is-adv.away {
    background: var(--adv-away);
    color: #6ee7b7;
}

.stat-val.is-adv.home {
    background: var(--adv-home);
    color: #93c5fd;
}

.stat-val.no-data {
    color: #374151;
}

.stat-label {
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
}

/* ═══════════════════════════════════════════════════
   Recent Form
   ═══════════════════════════════════════════════════ */

.recent-form {
    margin-top: 4px;
}

.recent-form-header {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #475569;
    margin-bottom: 10px;
}

.form-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-column-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.form-match {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 0;
    font-size: 12px;
}

.form-result {
    font-weight: 700;
    font-size: 11px;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    flex-shrink: 0;
}

.form-result.win {
    background: rgba(34, 197, 94, 0.15);
    color: var(--win);
}

.form-result.loss {
    background: rgba(239, 68, 68, 0.15);
    color: var(--loss);
}

.form-opponent {
    color: var(--text);
    font-weight: 500;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.form-sets {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.set-score {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 3px;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.set-score.set-win {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
}

.set-score.set-loss {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
}

.form-surface {
    font-size: 10px;
    color: #475569;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════ */

@media (max-width: 700px) {
    .page-shell { padding: 16px 10px 40px; }
    .title-block h1 { font-size: 20px; }
    .title-icon { font-size: 30px; }
    .subtitle { font-size: 12px; }

    .control-row { flex-direction: column; gap: 10px; }
    .control { min-width: 0; }

    .player-name { font-size: 15px; }
    .vs-divider { font-size: 10px; }

    .stat-row {
        grid-template-columns: 1fr 100px 1fr;
        font-size: 13px;
    }
    .stat-label { font-size: 11px; }

    .form-columns {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 420px) {
    .player-row {
        grid-template-columns: 1fr auto 1fr;
        gap: 6px;
    }
    .player-name { font-size: 13px; }
    .player-meta { font-size: 10px; gap: 4px; }
    .stat-row {
        grid-template-columns: 1fr 80px 1fr;
        font-size: 12px;
        padding: 5px 8px;
    }
    .stat-label { font-size: 10px; }
    .stat-val { padding: 2px 4px; font-size: 12px; }

    .window-tab { padding: 4px 10px; font-size: 11px; }
}