:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --surface2: #1e2a3a;
    --border: #2a3a4a;
    --text: #e8ecf0;
    --text-dim: #8899aa;
    --accent: #00b4d8;
    --accent2: #0096c7;
    --green: #00c853;
    --red: #ff5252;
    --yellow: #ffd740;
    --orange: #ff9100;
    --grade-gp: #ff1744;
    --grade-g1: #ff9100;
    --grade-g2: #00e676;
    --grade-g3: #40c4ff;
    --grade-f1: #b388ff;
    --grade-f2: #90a4ae;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-stats {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-dim);
}

.header-stats span { display: flex; align-items: center; gap: 4px; }
.header-stats .live { color: var(--green); }

.nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0;
    padding: 0 20px;
    overflow-x: auto;
}

.nav button {
    background: none;
    border: none;
    color: var(--text-dim);
    padding: 10px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: all 0.2s;
}

.nav button:hover { color: var(--text); }
.nav button.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.card-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 12px 16px; }

.grade-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.grade-GP { background: var(--grade-gp); }
.grade-G1 { background: var(--grade-g1); }
.grade-G2 { background: var(--grade-g2); color: #000; }
.grade-G3 { background: var(--grade-g3); color: #000; }
.grade-F1 { background: var(--grade-f1); }
.grade-F2 { background: var(--grade-f2); color: #000; }

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.status-scheduled { background: #37474f; color: #b0bec5; }
.status-final { background: rgba(0,200,83,0.15); color: var(--green); }
.status-live { background: rgba(255,82,82,0.15); color: var(--red); }

.race-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
}

.race-item {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.race-item:hover { border-color: var(--accent); background: rgba(0,180,216,0.05); }
.race-item.final { border-left: 3px solid var(--green); }
.race-item.scheduled { border-left: 3px solid var(--text-dim); }

.race-item .race-no {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent);
}

.race-item .race-time {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
}

.race-item .race-type {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 8px 10px;
    background: var(--surface2);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
}

td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}

tr:hover td { background: rgba(255,255,255,0.02); }

.car-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 13px;
    color: #fff;
}

.car-1 { background: #f5f5f5; color: #000; }
.car-2 { background: #000; }
.car-3 { background: #e53935; }
.car-4 { background: #1e88e5; }
.car-5 { background: #fdd835; color: #000; }
.car-6 { background: #43a047; }
.car-7 { background: #ff8f00; }
.car-8 { background: #f48fb1; color: #000; }
.car-9 { background: #7b1fa2; }

.scratched { text-decoration: line-through; opacity: 0.4; }

.back-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.back-btn:hover { border-color: var(--accent); color: var(--accent); }

.dividend-table td:last-child {
    font-weight: 700;
    color: var(--yellow);
    text-align: right;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.stat-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.stat-card .label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-top: 4px;
}

.log-entries {
    font-family: 'SF Mono', 'Menlo', monospace;
    font-size: 12px;
    max-height: 400px;
    overflow-y: auto;
    background: var(--bg);
    border-radius: 6px;
    padding: 12px;
}

.log-entry {
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 12px;
}

.log-entry .ts { color: var(--text-dim); white-space: nowrap; }
.log-entry .type { font-weight: 600; min-width: 60px; }
.log-entry .type.boot { color: var(--green); }
.log-entry .type.collect { color: var(--accent); }
.log-entry .type.error { color: var(--red); }

.search-box {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.search-box input {
    flex: 1;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.search-box input:focus { border-color: var(--accent); }

.search-box button {
    background: var(--accent);
    border: none;
    color: #fff;
    padding: 8px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-dim);
    font-size: 14px;
}

.odds-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.odds-tab {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.odds-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

@media (max-width: 768px) {
    .header { flex-direction: column; gap: 8px; }
    .race-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}