:root {
  /* AMOLED: true black, near-black surfaces, one blue accent */
  color-scheme: dark;
  --bg: #000;
  --card: #0a0b0d;
  --ink: #eef2f8;
  --muted: #97a1b3;
  --line: #1c2028;
  --brand: #5b8cff;
  --brand-dark: #8fb0ff;
  --safe: #34d399;
  --safe-bg: rgba(52, 211, 153, .12);
  --susp: #fbbf24;
  --susp-bg: rgba(251, 191, 36, .12);
  --phish: #f87171;
  --phish-bg: rgba(248, 113, 113, .13);
  --info: #94a3b8;
  --radius: 14px;
  --shadow: none;
  --surface: #111318;
  --ease: cubic-bezier(.2, .8, .2, 1);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.5; }
h1, h2, h3 { margin: 0; line-height: 1.25; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Top bar */
.topbar { background: #000; color: #fff; border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 42px; height: 42px; }
.logo rect { fill: #2f6bff; }
.logo path { fill: none; stroke: #fff; stroke-width: 4; stroke-linejoin: round; }
.brand h1 { font-size: 1.35rem; letter-spacing: .2px; }
.brand p { margin: 0; color: var(--muted); font-size: .9rem; }
.privacy-pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(52,211,153,.08); border: 1px solid rgba(52,211,153,.25); color: #d1fae5; padding: 7px 12px; border-radius: 999px; font-size: .85rem; }
.privacy-pill svg { width: 16px; height: 16px; fill: #86efac; }

/* Layout */
.grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 20px; margin-top: 24px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 10px; }
.card h2 { font-size: 1.05rem; }
.head-actions { display: flex; gap: 8px; }

/* Buttons */
.btn { font: inherit; font-size: .9rem; border-radius: 9px; border: 1px solid transparent; padding: 8px 14px; cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.btn-primary { width: 100%; margin-top: 12px; background: var(--brand); color: #000; font-weight: 600; padding: 11px 16px; font-size: 1rem; }
.btn-primary:hover { background: #7aa2ff; box-shadow: 0 6px 22px rgba(91, 140, 255, .3); }
.btn-ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: #3a4252; background: var(--surface); }
.btn:focus-visible, .chip:focus-visible, textarea:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

textarea { width: 100%; min-height: 330px; resize: vertical; border: 1px solid var(--line); border-radius: 10px; padding: 12px; font: 12.5px/1.5 ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace; color: #dbe3ee; background: #050506; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
textarea.dragging { border-color: var(--brand); background: rgba(91, 140, 255, .08); }
textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(91, 140, 255, .15); outline: none; }

/* Samples */
.samples { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.samples-title { margin: 0 0 10px; font-weight: 600; font-size: .9rem; }
.sample-group { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.sample-label { flex: 0 0 86px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; padding-top: 6px; }
.sample-label.bad { color: var(--phish); }
.sample-label.good { color: var(--safe); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: inherit; font-size: .8rem; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 5px 11px; cursor: pointer; transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease), transform .15s var(--ease); }
.chip:hover { border-color: var(--brand); color: var(--brand); background: rgba(91, 140, 255, .1); }
.chip.active { background: var(--brand); border-color: var(--brand); color: #000; }

/* Empty state */
.empty { text-align: center; color: var(--muted); padding: 70px 20px; }
.empty svg { width: 120px; fill: none; stroke: #2a3140; stroke-width: 3; stroke-linejoin: round; }

/* Score */
.score-row { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.gauge { position: relative; width: 210px; flex: 0 0 auto; }
.gauge svg { width: 100%; display: block; margin-bottom: 14px; }
.gauge-track, .gauge-fill { fill: none; stroke-width: 16; stroke-linecap: round; }
.gauge-track { stroke: #15181e; }
.gauge-fill { stroke: var(--safe); transition: stroke-dashoffset .7s ease, stroke .3s; }
.gauge-text { position: absolute; left: 0; right: 0; bottom: -2px; text-align: center; line-height: 1; }
.gauge-score { display: block; font-size: 2.5rem; font-weight: 700; letter-spacing: -1px; }
.gauge-max { display: block; margin-top: 4px; color: var(--muted); font-size: .8rem; }
.verdict-box { flex: 1 1 220px; }
.verdict { display: inline-block; font-weight: 700; font-size: 1.15rem; padding: 5px 14px; border-radius: 999px; }
.verdict-note { margin: 8px 0 12px; color: var(--muted); font-size: .92rem; }
.scale { display: flex; gap: 4px; font-size: .72rem; }
.seg { flex: 1; padding: 3px 6px; border-radius: 6px; text-align: center; white-space: nowrap; }
.seg.safe { background: var(--safe-bg); color: var(--safe); }
.seg.susp { background: var(--susp-bg); color: var(--susp); }
.seg.phish { background: var(--phish-bg); color: var(--phish); }

.v-safe { --c: var(--safe); --cbg: var(--safe-bg); }
.v-susp { --c: var(--susp); --cbg: var(--susp-bg); }
.v-phish { --c: var(--phish); --cbg: var(--phish-bg); }
.verdict.v-safe, .verdict.v-susp, .verdict.v-phish { color: var(--c); background: var(--cbg); }

/* Facts */
.facts { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 6px 12px; margin: 20px 0 0; padding: 14px; background: #050506; border: 1px solid var(--line); border-radius: 10px; font-size: .87rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: 1px 7px; border-radius: 6px; margin-right: 4px; background: #15181e; color: var(--info); }
.badge.pass { background: var(--safe-bg); color: var(--safe); }
.badge.fail { background: var(--phish-bg); color: var(--phish); }
.badge.soft { background: var(--susp-bg); color: var(--susp); }

/* Findings */
.findings-head { display: flex; align-items: baseline; justify-content: space-between; margin: 22px 0 10px; }
.findings-head h3 { font-size: 1rem; }
.count { color: var(--muted); font-size: .85rem; }
.findings { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.finding { border: 1px solid var(--line); border-left: 4px solid var(--sev); border-radius: 10px; padding: 12px 14px; }
.finding.high { --sev: var(--phish); }
.finding.medium { --sev: var(--susp); }
.finding.low { --sev: #22d3ee; }
.finding.info { --sev: #475569; }
.finding-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sev { font-size: .68rem; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--sev); }
.cat { font-size: .72rem; color: var(--muted); background: #15181e; padding: 1px 7px; border-radius: 6px; }
.pts { margin-left: auto; font-weight: 700; font-size: .85rem; color: var(--sev); }
.finding h4 { margin: 4px 0 4px; font-size: .97rem; }
.finding p { margin: 0; color: #b8c2d1; font-size: .9rem; }
.evidence { margin: 8px 0 0; padding: 0; list-style: none; }
.evidence li { font: 12px/1.45 ui-monospace, Consolas, Menlo, monospace; background: #050506; border: 1px solid #1a1e25; border-radius: 6px; padding: 4px 8px; margin-top: 4px; overflow-wrap: anywhere; color: #cbd5e1; }
.no-findings { color: var(--safe); background: var(--safe-bg); border-radius: 10px; padding: 12px 14px; font-size: .92rem; }

/* How it works */
.how { margin-top: 20px; }
.how h2 { font-size: 1.05rem; margin-bottom: 12px; }
.how-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.how h3 { font-size: .92rem; margin-bottom: 4px; color: var(--brand-dark); }
.how p { margin: 0; font-size: .87rem; color: #b8c2d1; }
.how-note { margin-top: 14px !important; color: var(--muted) !important; }

.footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .85rem; padding-top: 18px; padding-bottom: 28px; }
.footer a { color: var(--brand); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr 1fr; }
  textarea { min-height: 220px; }
}
@media (max-width: 520px) {
  .how-grid { grid-template-columns: 1fr; }
  .sample-group { flex-direction: column; gap: 4px; }
  .sample-label { flex: none; padding-top: 0; }
  .gauge { width: 180px; margin: 0 auto; }
  .facts { grid-template-columns: 104px minmax(0, 1fr); font-size: .82rem; }
}

/* share + more tools */
.share-card { margin-top: 18px; }
.share-card h2, .more-tools h2 { font-size: 1.1rem; margin: 0 0 6px; }
.share-card p { color: var(--muted, #5b6474); margin: 0 0 10px; }
.share-row { display: flex; gap: 8px; flex-wrap: wrap; }
.share-row .btn { flex: 1 1 140px; text-align: center; text-decoration: none; padding: 11px 14px; font-weight: 600; }
.btn-wa { background: #1fa855; color: #fff; flex-basis: 100% !important; font-size: 1rem; }
.btn-wa:hover { background: #17924a; }
.more-tools { margin-top: 18px; }
.more-tools ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.more-tools li a { display: block; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); text-decoration: none; }
.more-tools li a span:last-child { display: block; color: var(--muted, #5b6474); font-size: .88rem; }
.more-tools p a, .footer a { color: var(--brand); }

/* AMOLED polish: crisp borders, accent glow, micro-interactions */
::selection { background: rgba(91, 140, 255, .35); color: #fff; }
body { -webkit-font-smoothing: antialiased; }
.card { transition: border-color .25s var(--ease); }
.finding { background: #050506; animation: rise .3s var(--ease) both; }
.finding:nth-child(2) { animation-delay: .04s; } .finding:nth-child(3) { animation-delay: .08s; } .finding:nth-child(4) { animation-delay: .12s; } .finding:nth-child(n+5) { animation-delay: .16s; }
.btn { transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), transform .15s var(--ease); }
.btn:active, .chip:active, .more-tools li a:active { transform: scale(.97); }
.more-tools li a { transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .15s var(--ease); }
.more-tools li a:hover { border-color: rgba(91, 140, 255, .55); box-shadow: 0 0 0 1px rgba(91, 140, 255, .15); }
.btn-wa { color: #fff; box-shadow: 0 6px 22px rgba(31, 168, 85, .25); }
.verdict { border: 1px solid currentColor; border-color: color-mix(in srgb, currentColor 35%, transparent); }
textarea::placeholder { color: #5f6878; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
.head-actions .btn { white-space: nowrap; padding: 8px 12px; }
@media (max-width: 420px) { .card-head h2 { font-size: 1rem; } }