:root {
    --bg: #0a0c10;
    --bg-2: #12161d;
    --lane: #1a2118;
    --ink: #d7dece;
    --muted: #8b937c;
    --line: #2a3324;
    --title: #f4f7ea;
    --timing: #d6ff3c;
    --brake: #ff4d3a;
    --apex: #3ee0b0;
    --night: #7eb6ff;
}

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

html, body { min-height: 100%; }

body {
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    background:
        radial-gradient(1200px 500px at 10% -10%, rgba(214, 255, 60, 0.08), transparent 50%),
        radial-gradient(800px 400px at 100% 0%, rgba(62, 224, 176, 0.06), transparent 45%),
        var(--bg);
    color: var(--ink);
    line-height: 1.65;
}

a { color: var(--apex); text-decoration: none; }
a:hover { color: var(--timing); }

.wrap { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }

.top {
    border-bottom: 1px solid var(--line);
    background: rgba(10, 12, 16, 0.86);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 5;
}

.top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 0;
}

.mark {
    display: flex;
    align-items: baseline;
    gap: 10px;
    color: var(--title);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.mark small {
    color: var(--timing);
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
}

nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; }
nav a[aria-current="page"], nav a:hover { color: var(--title); }

.hero { padding: 72px 0 36px; }
.kicker {
    color: var(--timing);
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
h1 {
    color: var(--title);
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    max-width: 16ch;
    margin: 12px 0 18px;
}
.lead { max-width: 62ch; color: var(--muted); font-size: 18px; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    padding: 12px 0 48px;
}

.card, article.panel {
    background: linear-gradient(180deg, var(--bg-2), #10140f);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 22px;
}

.card h2, .panel h2 {
    color: var(--title);
    font-size: 20px;
    margin-bottom: 10px;
}

.stat {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 28px;
    color: var(--timing);
    letter-spacing: -0.04em;
}

.stat span { display: block; color: var(--muted); font-size: 12px; letter-spacing: 0.08em; margin-top: 4px; }

.track-list { padding: 0 0 64px; }
.track {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 18px;
    padding: 18px 0;
    border-top: 1px solid var(--line);
}
.track strong { color: var(--title); display: block; }
.track em { color: var(--night); font-style: normal; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 13px; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0 40px;
    font-size: 14px;
}
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; }
td a { color: var(--title); }

.prose { max-width: 70ch; padding: 28px 0 72px; }
.prose h1 { max-width: none; font-size: 40px; }
.prose h2 { color: var(--title); margin: 28px 0 10px; font-size: 22px; }
.prose p, .prose li { color: var(--muted); margin-bottom: 12px; }
.prose ul { padding-left: 20px; }

.foot {
    border-top: 1px solid var(--line);
    padding: 22px 0 36px;
    color: var(--muted);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.empty { color: var(--muted); padding: 24px 0 56px; }

.gate {
    display: grid;
    gap: 14px;
    max-width: 420px;
    margin: 18px 0 28px;
}
.gate label { display: grid; gap: 6px; color: var(--title); font-size: 14px; }
.gate input[type="text"],
.gate input[type="password"],
.gate input[type="file"] {
    background: var(--bg-2);
    border: 1px solid var(--line);
    color: var(--ink);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
}
.gate button {
    background: var(--timing);
    color: #10140f;
    border: 0;
    border-radius: 10px;
    padding: 10px 16px;
    font-weight: 700;
    cursor: pointer;
    width: max-content;
}
.flash { color: var(--brake); }
.flash.ok { color: var(--apex); }
code { font-family: "IBM Plex Mono", ui-monospace, monospace; color: var(--timing); }

@media (max-width: 720px) {
    .track { grid-template-columns: 1fr; }
    .top-inner { flex-direction: column; align-items: flex-start; }
}