:root {
  --bg: #0d1b2a; --bg2: #13263b; --card: #152b42; --ink: #f3efe6; --muted: #a9b4c2;
  --gold: #c9a227; --line: rgba(201,162,39,.35);
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark; }
body { background: radial-gradient(ellipse at top, var(--bg2) 0%, var(--bg) 70%) fixed; color: var(--ink);
       font-family: var(--sans); line-height: 1.55; min-height: 100vh; }
a { color: var(--gold); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: var(--bg); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* boot view (before WebAssembly starts) */
.boot { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 24px 16px; }
.boot h1, .hero h1 { font-family: var(--serif); font-weight: normal; font-size: clamp(2.2rem, 7vw, 3.6rem); line-height: 1.1; }
.boot h1 span, .hero h1 span, .brand span { color: var(--gold); }
.boot .lede, .hero .lede { color: var(--muted); font-family: var(--serif); font-size: clamp(1.05rem, 3vw, 1.25rem); margin-top: 20px; }
.soon { display: inline-block; margin-top: 30px; padding: 10px 26px; border: 1px solid var(--line); color: var(--gold);
        letter-spacing: .25em; text-transform: uppercase; font-size: .8rem; }

/* chrome */
.site-header { max-width: 1100px; margin: 0 auto; padding: 22px 16px 8px; display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; justify-content: space-between; }
.brand { font-family: var(--serif); font-size: 1.35rem; color: var(--ink); text-decoration: none; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.site-header nav a { color: var(--muted); text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; }
.site-header nav a:hover, .site-header nav a.active { color: var(--ink); border-bottom-color: var(--gold); }
main { max-width: 1100px; margin: 0 auto; padding: 0 16px 56px; }
main:focus { outline: none; }
.site-footer { max-width: 1100px; margin: 0 auto; padding: 24px 16px 40px; color: var(--muted); font-size: .85rem; border-top: 1px solid rgba(255,255,255,.06); }
.route-loading { max-width: 1100px; margin: 40px auto; padding: 0 16px; color: var(--muted); }

/* home */
.hero { text-align: center; padding: 56px 0 40px; }
.seal { width: 72px; height: 72px; margin: 0 auto 24px; border: 2px solid var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.seal svg { width: 36px; height: 36px; stroke: var(--gold); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.rule { width: 80px; height: 1px; background: var(--line); margin: 24px auto 0; }
.apps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 16px; }
.app-card { display: block; background: var(--card); border: 1px solid rgba(255,255,255,.06); padding: 22px; color: var(--ink); text-decoration: none; transition: border-color .15s, transform .15s; }
.app-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.app-card h2 { font-family: var(--serif); font-weight: normal; font-size: 1.3rem; }
.app-card p { color: var(--muted); margin: 8px 0 14px; }
.app-card span { color: var(--gold); font-size: .9rem; }

/* page-apps */
.page-app { padding-top: 24px; }
.page-head { margin-bottom: 28px; }
.eyebrow { color: var(--gold); font-size: .75rem; letter-spacing: .2em; text-transform: uppercase; }
.page-head h1, .page-app > h1 { font-family: var(--serif); font-weight: normal; font-size: clamp(1.9rem, 5vw, 2.6rem); margin: 6px 0; }
.page-head .lede { color: var(--muted); max-width: 70ch; }
.btn-outline { display: inline-block; margin-top: 14px; padding: 8px 14px; border: 1px solid var(--line); color: var(--gold); text-decoration: none; font-size: .9rem; }
.note { margin-top: 32px; padding: 14px 16px; border-left: 3px solid var(--gold); background: rgba(201,162,39,.07); color: var(--muted); }
.status, .empty { color: var(--muted); padding: 36px 0; text-align: center; border: 1px dashed var(--line); }

/* knowledge search */
.kb { background: var(--card); border: 1px solid rgba(255,255,255,.06); padding: 22px; }
.kb-title { font-family: var(--serif); font-weight: normal; font-size: 1.3rem; margin-bottom: 12px; }
.kb-form { display: flex; gap: 10px; flex-wrap: wrap; }
.kb-form input { flex: 1 1 260px; min-width: 0; padding: 12px 14px; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid rgba(255,255,255,.15); }
.kb-form input:focus { border-color: var(--gold); outline: none; }
.kb-form button { padding: 12px 20px; font: inherit; background: var(--gold); color: var(--bg); border: 0; cursor: pointer; }
.kb-form button:disabled { opacity: .5; cursor: default; }
.kb-status { color: var(--muted); font-size: .85rem; margin: 10px 0 4px; min-height: 1.3em; }
.kb-results { list-style: none; display: grid; gap: 14px; margin-top: 10px; }
.kb-results li { padding: 14px 16px; background: var(--bg); border: 1px solid rgba(255,255,255,.06); }
.kb-results h3 { font-size: 1rem; font-weight: 600; }
.kb-heading { color: var(--muted); font-weight: normal; }
.kb-results p { color: var(--muted); margin-top: 6px; font-size: .95rem; }

/* videos */
.player { margin-bottom: 32px; }
.player .frame { position: relative; aspect-ratio: 16/9; background: #000; border: 1px solid var(--line); }
.player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player h2 { font-weight: 500; font-size: 1.15rem; margin: 14px 0 4px; }
.player p { color: var(--muted); font-size: .92rem; }
.video-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.video-card { display: block; width: 100%; text-align: left; background: var(--card); border: 1px solid rgba(255,255,255,.06); color: inherit; font: inherit; cursor: pointer; padding: 0; }
.video-card:hover { border-color: var(--gold); }
.video-card img { display: block; width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; background: #000; }
.video-title { display: block; padding: 12px 14px 0; font-weight: 500; }
.video-meta { display: block; padding: 4px 14px 14px; color: var(--muted); font-size: .8rem; }

#blazor-error-ui { background: #5c1a1a; color: #fff; bottom: 0; box-sizing: border-box; display: none; left: 0; padding: .6rem 1.25rem; position: fixed; width: 100%; z-index: 1000; }
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }
#blazor-error-ui a { color: #fff; }
.blazor-error-boundary { background: #b32121; padding: 1rem; color: white; }
.blazor-error-boundary::after { content: "An error has occurred." }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }