:root {
  --bg: #0b1020; --panel: #121a30; --panel-2: #0f1628; --text: #e6ebf5; --muted: #a3adc2; --line: #24304d;
  --accent: #38bdf8; --accent-ink: #04111d;
  --high: #f87171; --medium: #fbbf24; --low: #93c5fd; --info: #a3adc2; --ok: #34d399;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f7f8fb; --panel: #ffffff; --panel-2: #f1f4f9; --text: #121826; --muted: #4b5568; --line: #dde3ee;
    --accent: #0369a1; --accent-ink: #ffffff; --high: #b91c1c; --medium: #a16207; --low: #1d4ed8; --info: #4b5568; --ok: #047857; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--panel-2); padding: 0.05em 0.35em; border-radius: 4px; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; justify-content: space-between; align-items: center; height: 56px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; text-decoration: none; }
.by { color: var(--muted); font-size: 14px; text-decoration: none; white-space: nowrap; }
.hero { padding: 36px 0 8px; }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 0 0 12px; }
.lead { font-size: 18px; color: var(--text); margin: 0 0 12px; }
.privacy { color: var(--muted); margin: 0; }
.tool { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 24px 0; }
.label { display: block; font-weight: 600; margin-bottom: 8px; }
textarea { width: 100%; min-height: 220px; resize: vertical; padding: 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font: 14px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
textarea:focus, button:focus-visible, .file:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
button, .file { font: inherit; font-size: 15px; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.file { position: relative; overflow: hidden; }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.where { color: var(--muted); font-size: 13px; margin: 4px 0 0; overflow-wrap: anywhere; }
#out { margin-top: 12px; }
.error { color: var(--high); font-weight: 600; }
.clean { color: var(--ok); font-weight: 600; }
.summary-head { margin: 0 0 6px; color: var(--muted); overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.chip { font-size: 13px; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line); }
.chip.high { color: var(--high); } .chip.medium { color: var(--medium); } .chip.low { color: var(--low); } .chip.info { color: var(--info); }
.finding { border: 1px solid var(--line); border-left: 4px solid var(--info); border-radius: 8px; padding: 12px 14px; margin: 10px 0; background: var(--panel-2); }
.finding.high { border-left-color: var(--high); } .finding.medium { border-left-color: var(--medium); } .finding.low { border-left-color: var(--low); }
.finding h3 { font-size: 16px; margin: 0 0 6px; overflow-wrap: anywhere; }
.sev { display: inline-block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; padding: 1px 7px; border-radius: 4px; border: 1px solid currentColor; vertical-align: 2px; }
.finding.high .sev { color: var(--high); } .finding.medium .sev { color: var(--medium); } .finding.low .sev { color: var(--low); } .finding.info .sev { color: var(--info); }
.detail, .fix { margin: 4px 0; overflow-wrap: anywhere; }
.cta { background: var(--panel); border: 1px solid var(--accent); border-radius: 12px; padding: 16px 18px; margin: 0 0 24px; }
.cta h2 { margin-top: 0; font-size: 20px; }
.cta-links { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; }
.primary-link { background: var(--accent); color: var(--accent-ink); padding: 9px 14px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.info h2 { font-size: 20px; margin: 28px 0 8px; }
.info ul { padding-left: 20px; } .info li { margin: 6px 0; }
details { border-top: 1px solid var(--line); padding: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
.foot { border-top: 1px solid var(--line); margin-top: 40px; color: var(--muted); font-size: 14px; }
.foot p { margin: 18px 0; }