:root {
    --bg: #07111f;
    --surface: rgba(16, 31, 52, .92);
    --surface-2: #10233b;
    --text: #eef7ff;
    --muted: #a8bdd0;
    --accent: #41d9ff;
    --accent-2: #8d6bff;
    --border: rgba(255,255,255,.12);
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 0%, rgba(65,217,255,.16), transparent 34rem),
        radial-gradient(circle at 90% 10%, rgba(141,107,255,.15), transparent 30rem),
        var(--bg);
    line-height: 1.6;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin-inline: auto;
}

.hero {
    padding: 88px 0 54px;
    border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1120px;
  margin: auto;
  padding: 15px 22px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.brand { font-weight: 800; letter-spacing: .4px; color: white; text-decoration: none; }
.brand span { color: var(--accent); }

.eyebrow {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .18em;
    font-weight: 800;
    font-size: .78rem;
}

h1 {
    margin: .35rem 0 .8rem;
    font-size: clamp(2.2rem, 6vw, 4.7rem);
    line-height: 1;
}

h2 { line-height: 1.2; }

.hero p:last-child {
    max-width: 720px;
    color: var(--muted);
    font-size: 1.08rem;
}

main { padding: 46px 0 70px; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 24px;
}

.card, .info, .alert {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: 0 20px 55px rgba(0,0,0,.2);
}

.card { padding: 26px; }

.card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.card h2 { margin: .4rem 0 0; }

.badge, .version {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: .28rem .65rem;
    font-size: .78rem;
}

.badge {
    margin: 0;
    color: var(--accent);
    background: rgba(65,217,255,.08);
}

.version {
    color: #d8d0ff;
    background: rgba(141,107,255,.11);
    white-space: nowrap;
}

.card > p { color: var(--muted); }

.metadata {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 22px 0;
}

.metadata div {
    padding: 12px;
    border-radius: 14px;
    background: var(--surface-2);
}

dt {
    color: var(--muted);
    font-size: .78rem;
}

dd {
    margin: .15rem 0 0;
    font-weight: 700;
}

.button {
    display: inline-flex;
    justify-content: center;
    width: 100%;
    padding: .9rem 1.2rem;
    border: 0;
    border-radius: 14px;
    color: #06111a;
    background: linear-gradient(135deg, var(--accent), #8de7ff);
    text-decoration: none;
    font-weight: 850;
    cursor: pointer;
}

.button:hover { filter: brightness(1.06); }

.button.disabled {
    color: var(--muted);
    background: var(--surface-2);
    cursor: not-allowed;
}

details { margin-top: 18px; }

summary {
    color: var(--muted);
    cursor: pointer;
}

code {
    overflow-wrap: anywhere;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

details code {
    display: block;
    margin-top: 10px;
    padding: 12px;
    border-radius: 12px;
    background: #050b13;
    font-size: .78rem;
}

.info {
    margin-top: 28px;
    padding: 28px;
}

.info p { color: var(--muted); }

pre {
    overflow-x: auto;
    padding: 16px;
    border-radius: 14px;
    background: #050b13;
}

.alert { padding: 20px; }

footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    color: var(--muted);
}

@media (max-width: 560px) {
    .hero { padding-top: 58px; }
    .metadata { grid-template-columns: 1fr; }
}