:root {
    --ink: #16222d;
    --muted: #667785;
    --line: #dce3e8;
    --surface: #ffffff;
    --canvas: #f4f7f8;
    --brand: #075985;
    --brand-dark: #0c3f5d;
    --accent: #14b8a6;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--canvas);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top right, #dff8f3 0, transparent 30rem), var(--canvas); }
a { color: var(--brand); text-decoration: none; }
.topbar { min-height: 76px; padding: 0 5vw; display: flex; align-items: center; justify-content: space-between; background: #082f49; color: white; box-shadow: 0 3px 18px #082f4933; }
.brand { display: flex; align-items: center; gap: .75rem; color: white; font-weight: 750; letter-spacing: -.02em; }
.brand small { display: block; color: #a7d8e8; font-size: .7rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--accent); color: #042f2e; }
nav { display: flex; align-items: center; gap: 1.25rem; }
nav a { color: #d9edf4; font-weight: 600; }
.container { width: min(1180px, 92vw); margin: 0 auto; padding: 3rem 0 5rem; }
.hero { display: flex; justify-content: space-between; align-items: end; gap: 2rem; padding: 1.5rem 0 2.5rem; }
.hero.compact { padding-bottom: 1.75rem; }
h1 { margin: .25rem 0 .5rem; font-size: clamp(2.1rem, 4vw, 3.6rem); line-height: 1.05; letter-spacing: -.045em; }
h2 { margin: 0 0 .85rem; font-size: 1.15rem; }
p { color: var(--muted); line-height: 1.6; }
.eyebrow { color: var(--brand); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: 9px; background: white; color: var(--ink); font: inherit; font-weight: 700; cursor: pointer; }
.button.primary { border-color: var(--brand); background: var(--brand); color: white; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.metric-card, .panel { background: color-mix(in srgb, var(--surface) 94%, transparent); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 8px 30px #17394b0a; }
.metric-card { min-width: 0; padding: 1.35rem; color: var(--ink); transition: border-color .15s, box-shadow .15s, transform .15s; }
.metric-card:hover, .metric-card:focus-visible { border-color: var(--brand); box-shadow: 0 10px 32px #07598520; transform: translateY(-2px); }
.metrics strong { display: block; font-size: 2rem; }
.metrics span, .muted { color: var(--muted); }
.panel { margin: 1rem 0; padding: 1.4rem; }
.panel-heading { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.panel-heading p { margin: -.5rem 0 1rem; }
.coverage-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.coverage-grid > a { display: flex; justify-content: space-between; padding: 1rem; border-right: 1px solid var(--line); color: var(--ink); }
.coverage-grid > a:hover, .coverage-grid > a:focus-visible { background: #e0f2fe; }
.coverage-grid > a:last-child { border: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .9rem .75rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; }
td small { display: block; margin-top: .25rem; color: var(--muted); }
.asset-name { font-weight: 750; }
.badges { display: flex; flex-wrap: wrap; gap: .45rem; }
.badge { display: inline-block; padding: .25rem .55rem; border-radius: 999px; background: #e7eef2; font-size: .75rem; font-weight: 750; }
.status-approved { background: #d1fae5; color: #065f46; }
.status-underreview { background: #fef3c7; color: #92400e; }
.status-deprecated, .status-archived { background: #fee2e2; color: #991b1b; }
.filters { display: grid; grid-template-columns: 1fr 220px auto; gap: .7rem; margin-bottom: 1rem; }
.active-filters { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin: -.25rem 0 1rem; }
input, select, textarea { width: 100%; padding: .72rem .8rem; border: 1px solid #bdc9d1; border-radius: 8px; background: white; color: var(--ink); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 3px solid #0ea5e933; border-color: #0284c7; }
.form-card { max-width: 850px; }
fieldset { margin: 0 0 1.5rem; padding: 0; border: 0; }
legend { margin-bottom: 1rem; font-size: 1.12rem; font-weight: 750; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid label > span:first-child { display: block; margin-bottom: .4rem; font-size: .85rem; font-weight: 700; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: .7rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.validation { color: #b91c1c; font-size: .82rem; }
.empty { padding: 3rem 1rem; text-align: center; }
.qualified { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: 1rem; align-items: start; }
.detail-grid .panel { margin-top: 0; }
.main-detail h2:not(:first-child) { margin-top: 2rem; }
.person { padding: .65rem 0; border-top: 1px solid var(--line); }
.person span { display: block; color: var(--muted); font-size: .85rem; }
.coverage-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.coverage-detail-grid .panel { margin: 0; scroll-margin-top: 1rem; }
.link-list { display: grid; gap: .5rem; }
.link-list > a { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem .75rem; border-radius: 8px; background: #f4f7f8; }
.link-list > a:hover, .link-list > a:focus-visible { background: #e0f2fe; }
.reference-list > div { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; border-top: 1px solid var(--line); }
.alert { margin-bottom: 1rem; padding: .9rem 1rem; border-radius: 9px; }
.alert.success { background: #d1fae5; color: #065f46; }
footer { padding: 2rem 5vw; background: #e6edef; color: var(--muted); text-align: center; font-size: .85rem; }

@media (max-width: 760px) {
    .topbar, .hero { align-items: flex-start; flex-direction: column; }
    .topbar { padding-block: 1rem; }
    nav { width: 100%; flex-wrap: wrap; }
    .metrics, .coverage-grid, .coverage-detail-grid, .form-grid, .detail-grid { grid-template-columns: 1fr; }
    .coverage-grid > a { border-right: 0; border-bottom: 1px solid var(--line); }
    .filters { grid-template-columns: 1fr; }
}