:root {
  --bg: #f4f6f9; --panel: #fff; --ink: #18212f; --muted: #647084; --line: #dde2ea;
  --brand: #0b5cad; --brand-ink: #fff; --ok: #1a7f4b; --warn: #b26a00; --bad: #c0392b; --crit: #8e1b1b;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #10151d; --panel: #19212c; --ink: #e6ebf2; --muted: #93a0b4; --line: #2b3646; --brand: #4c9bea; --brand-ink: #08121e; --ok: #4cc38a; --warn: #e6a23c; --bad: #ef6b5d; --crit: #ff8a80; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 0 0 6px; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); font-size: 13px; }

.top { display: flex; align-items: center; gap: 20px; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.top .logo { font-weight: 700; font-size: 17px; color: var(--ink); }
.top nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.top nav a { padding: 6px 12px; border-radius: 6px; color: var(--ink); }
.top nav a.on { background: var(--brand); color: var(--brand-ink); }
main { max-width: 1200px; margin: 0 auto; padding: 20px 16px 60px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.center { max-width: 420px; margin: 8vh auto; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); font: inherit; }
textarea { font-family: var(--mono); font-size: 13px; min-height: 70px; resize: vertical; }
button { padding: 8px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); font: inherit; cursor: pointer; }
button:hover { border-color: var(--brand); }
button.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
button.danger { color: var(--bad); border-color: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
button.sm { padding: 3px 9px; font-size: 13px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--bg); }
.scroll { overflow: auto; max-height: 560px; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); margin-right: 6px; }
.dot.on { background: var(--ok); }
.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; border: 1px solid currentColor; text-transform: capitalize; }
.sev-critical { color: var(--crit); } .sev-high { color: var(--bad); } .sev-medium { color: var(--warn); } .sev-low { color: var(--muted); }
.good { color: var(--ok); } .bad { color: var(--bad); } .warn { color: var(--warn); }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.on { color: var(--ink); border-color: var(--brand); font-weight: 600; }

pre { margin: 0; font-family: var(--mono); font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.term { background: #0c1117; color: #d6e2f0; border-radius: 8px; padding: 12px; min-height: 240px; max-height: 520px; overflow: auto; }
.code { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 10px; overflow: auto; user-select: all; }
.msg { padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; border: 1px solid var(--line); }
.msg.err { border-color: var(--bad); color: var(--bad); }
.msg.note { border-color: var(--warn); }

.score { font-size: 44px; font-weight: 700; line-height: 1; }
.finding { border: 1px solid var(--line); border-left-width: 4px; border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; }
.finding.critical { border-left-color: var(--crit); } .finding.high { border-left-color: var(--bad); }
.finding.medium { border-left-color: var(--warn); } .finding.low { border-left-color: var(--muted); }
.finding ol { margin: 6px 0 0; padding-left: 20px; }
.finding .ev { margin: 6px 0; color: var(--muted); }

.screen { background: #000; border-radius: 8px; overflow: hidden; outline: none; min-height: 200px; display: flex; align-items: center; justify-content: center; color: #9aa; }
.screen:focus { box-shadow: 0 0 0 2px var(--brand); }
.screen img { display: block; width: 100%; height: auto; cursor: crosshair; }
.hidden { display: none; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 4px 12px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }