:root {
    color-scheme: light dark;
    --bg: #f4f8fb;
    --surface: #ffffff;
    --fg: #0f1e2d;
    --muted: #5b7286;
    --border: #dbe6ee;
    --row-hover: #eaf3fa;
    --row-stripe: #f6fafc;
    --accent: #0f6cbd;

    --marine-1: #003a5d;
    --marine-2: #01527d;
    --marine-3: #0a84c4;

    --lane-1: #ffffff;
    --lane-1-border: #b9c2c9;
    --lane-2: #1c1c1c;
    --lane-3: #d5292f;
    --lane-4: #1457c4;
    --lane-5: #f2c200;
    --lane-6: #1c8a3d;

    --rate-cold: 148 163 184;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1620;
        --surface: #101d29;
        --fg: #e7eef4;
        --muted: #91a6b7;
        --border: #1f313f;
        --row-hover: #16283a;
        --row-stripe: #0e1c28;
        --accent: #5fb4ec;

        --marine-1: #001b2c;
        --marine-2: #023452;
        --marine-3: #0a5f92;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
}

header {
    position: relative;
    background: linear-gradient(135deg, var(--marine-1), var(--marine-2) 55%, var(--marine-3));
    padding-bottom: 1.5rem;
    overflow: hidden;
}

.lane-stripe {
    display: flex;
    height: 6px;
}

.lane {
    flex: 1;
}

.lane-1 {
    background: var(--lane-1);
    box-shadow: inset 0 -1px 0 var(--lane-1-border);
}

.lane-2 {
    background: var(--lane-2);
}

.lane-3 {
    background: var(--lane-3);
}

.lane-4 {
    background: var(--lane-4);
}

.lane-5 {
    background: var(--lane-5);
}

.lane-6 {
    background: var(--lane-6);
}

.header-inner {
    max-width: 960px;
    margin-inline: auto;
    padding: 1.75rem 1.5rem 0;
}

.eyebrow {
    margin: 0 0 0.35rem;
    color: #9fd4f7;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
}

header h1 {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
    color: #ffffff;
}

header .meta {
    color: #bcdcf2;
}

header .wave {
    display: block;
    width: 100%;
    height: 24px;
    fill: var(--bg);
}

main {
    max-width: 960px;
    margin-inline: auto;
    padding: 1.25rem 1.5rem 2rem;
}

footer {
    max-width: 960px;
    margin-inline: auto;
    padding: 0 1.5rem 2rem;
    text-align: center;
}

footer a {
    color: var(--accent);
}

.meta {
    color: var(--muted);
    font-size: 0.875rem;
    margin: 0;
}

.note {
    margin-top: 0.25rem;
}

.controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 0 0 0.75rem;
}

#filter {
    flex: 1;
    max-width: 320px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--fg);
    font-size: 0.95rem;
}

#filter:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.error {
    color: #dc2626;
    font-size: 0.9rem;
}

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.06);
}

table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: 0.9rem;
    white-space: nowrap;
}

.col-rank {
    width: 8%;
}

.col-number {
    width: 12%;
}

.col-name {
    width: 26%;
}

.col-race-count,
.col-changed-race-count,
.col-changed-race-rate {
    width: 18%;
}

thead th {
    position: sticky;
    top: 0;
    background: var(--marine-1);
    color: #eaf5ff;
    text-align: center;
    padding: 0.65rem 0.9rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}

thead th:first-child {
    border-top-left-radius: 10px;
}

thead th:last-child {
    border-top-right-radius: 10px;
}

thead th:hover {
    color: #ffffff;
    background: var(--marine-2);
}

thead th[aria-sort="ascending"]::after {
    content: " \25B2";
}

thead th[aria-sort="descending"]::after {
    content: " \25BC";
}

tbody td {
    padding: 0.55rem 0.9rem;
    border-bottom: 1px solid var(--border);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
}

tbody tr:nth-child(even) {
    background: var(--row-stripe);
}

tbody tr:hover {
    background: var(--row-hover);
}

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

td.numeric {
    font-variant-numeric: tabular-nums;
}

.rate-badge {
    display: inline-block;
    min-width: 3.5rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: center;
    color: #ffffff;
    background: rgb(var(--rate-color, var(--rate-cold)));
}