/* Self-hosted brand fonts — never a fonts CDN (a third-party font request would leak
   visitor IPs and break the page's "nothing leaves except registries" claim). */
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("fonts/inter-400.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url("fonts/inter-500.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("fonts/inter-600.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url("fonts/jbmono-400.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url("fonts/jbmono-500.woff2") format("woff2"); }

/* 4DA design system — verbatim tokens from the app (CLAUDE.md Design System). */
:root {
  --bg-primary: #0A0A0A;
  --bg-secondary: #141414;
  --bg-tertiary: #1F1F1F;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #8A8A8A;
  --accent-gold: #D4AF37;
  --border: #2A2A2A;
  --success: #22C55E;
  --error: #EF4444;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { background: var(--bg-primary); }
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Faint warm ambient — the AmbientGlow idiom, barely there. */
.glow {
  position: fixed;
  inset: -40vh 0 auto 0;
  height: 80vh;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(212, 175, 55, 0.05), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

main, .site-header { position: relative; z-index: 1; }

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 24px 0;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-name { font-weight: 600; letter-spacing: 0.12em; color: var(--text-primary); font-size: 15px; }
.header-tag {
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-left: 1px solid var(--border);
  padding-left: 12px;
}

main { max-width: 860px; margin: 0 auto; padding: 0 24px 96px; }

.hero { padding: 72px 0 36px; }
.hero h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  line-height: 1.12;
}
.sub { color: var(--text-secondary); font-size: 16px; line-height: 1.6; max-width: 60ch; margin: 0 0 18px; }
.privacy { color: var(--text-muted); font-size: 13px; line-height: 1.6; max-width: 64ch; margin: 0; }
.privacy-verify { color: var(--text-secondary); font-family: var(--mono); font-size: 12px; }

/* ---- input ---- */
.input-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  transition: border-color 160ms ease;
}
.input-card.dragover { border-color: var(--accent-gold); }
textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  padding: 14px;
  outline: none;
  transition: border-color 160ms ease;
}
textarea:focus { border-color: var(--accent-gold); }
textarea::placeholder { color: var(--text-muted); }

.input-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.detect { font-family: var(--mono); font-size: 12px; color: var(--text-muted); min-height: 20px; }
.detect .eco {
  color: var(--accent-gold);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 4px;
  padding: 2px 8px;
  margin-right: 8px;
}
.scan-btn {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  color: var(--bg-primary);
  background: var(--text-primary);
  border: 1px solid var(--text-primary);
  border-radius: 6px;
  padding: 9px 26px;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, opacity 160ms ease;
}
.scan-btn:hover:not(:disabled) { background: var(--accent-gold); border-color: var(--accent-gold); }
.scan-btn:disabled { opacity: 0.35; cursor: default; }

.samples {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-muted);
}
.samples button {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--text-secondary); font-family: var(--mono); font-size: 12px;
  border-bottom: 1px solid transparent; transition: color 120ms ease, border-color 120ms ease;
}
.samples button:hover { color: var(--accent-gold); border-bottom-color: var(--accent-gold); }
.input-error { color: var(--error); font-size: 13px; margin: 10px 2px 0; }

/* ---- scan feed ---- */
.feed-card {
  margin-top: 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.feed-head { display: flex; align-items: center; gap: 14px; padding: 12px 16px 0; }
.feed-title {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-muted); white-space: nowrap;
}
.hairline { flex: 1; height: 1px; background: var(--border); position: relative; overflow: hidden; }
.feed-card.live .hairline::after {
  content: ""; position: absolute; inset: 0; width: 30%;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  animation: sweep 1.4s linear infinite;
}
@keyframes sweep { from { transform: translateX(-120%); } to { transform: translateX(420%); } }
.feed {
  margin: 0; padding: 12px 16px 14px; max-height: 180px; overflow-y: auto;
  font-family: var(--mono); font-size: 12px; line-height: 1.7;
  color: var(--text-muted); white-space: pre-wrap; word-break: break-word;
}

/* ---- results ---- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 26px 0 8px;
}
@media (max-width: 640px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px 18px 14px;
}
.stat .n { font-family: var(--mono); font-size: 30px; font-weight: 500; line-height: 1; }
.stat .n.alert { color: var(--error); }
.stat .n.gold { color: var(--accent-gold); }
.stat .n.zero { color: var(--text-muted); }
.stat .l {
  margin-top: 8px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted);
}

.panel {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 10px;
  margin-top: 14px; overflow: hidden;
}
.panel-head {
  display: flex; align-items: baseline; gap: 10px;
  padding: 16px 20px 12px; border-bottom: 1px solid var(--border);
}
.panel-head h2 { font-size: 14px; font-weight: 600; margin: 0; letter-spacing: 0.01em; }
.panel-head .count { font-family: var(--mono); font-size: 12px; color: var(--text-muted); }
.rows { padding: 6px 0; }

.row {
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr auto;
  gap: 6px 18px; align-items: baseline;
  padding: 10px 20px;
  border-left: 2px solid transparent;
  transition: border-color 120ms ease, background 120ms ease;
}
.row:hover { border-left-color: var(--accent-gold); background: var(--bg-tertiary); }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } }
.row .pkg { font-family: var(--mono); font-size: 13px; color: var(--text-primary); word-break: break-all; }
.row .pkg .ver { color: var(--text-muted); }
.row .what { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.row .what a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--border); }
.row .what a:hover { color: var(--accent-gold); border-bottom-color: var(--accent-gold); }
.row .meta { font-family: var(--mono); font-size: 11px; color: var(--text-muted); white-space: nowrap; }

.sev {
  display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  border-radius: 3px; padding: 2px 7px; margin-right: 10px; text-transform: uppercase;
  vertical-align: 1px;
}
.sev.critical { background: var(--error); color: #fff; }
.sev.high { color: var(--error); border: 1px solid rgba(239, 68, 68, 0.5); }
.sev.medium, .sev.moderate { color: var(--accent-gold); border: 1px solid rgba(212, 175, 55, 0.4); }
.sev.low, .sev.unknown { color: var(--text-muted); border: 1px solid var(--border); }

.fix { color: var(--success); font-family: var(--mono); font-size: 11px; }
.majors { color: var(--accent-gold); font-family: var(--mono); font-size: 11px; }
.devtag { color: var(--text-muted); font-family: var(--mono); font-size: 10px; }

.fold {
  display: block; width: 100%; text-align: left;
  background: none; border: none; cursor: pointer;
  padding: 12px 20px; border-left: 2px solid transparent;
  font-family: var(--mono); font-size: 12px; color: var(--text-muted);
  transition: color 120ms ease, border-color 120ms ease;
}
.fold:hover { color: var(--accent-gold); border-left-color: var(--accent-gold); }

.quiet {
  margin-top: 14px; padding: 26px 24px;
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text-secondary); font-size: 14px;
}
.quiet .q-title { color: var(--text-primary); font-weight: 500; margin-bottom: 4px; }

.notes { margin: 16px 4px 0; }
.notes p { color: var(--text-muted); font-size: 12px; margin: 4px 0; font-family: var(--mono); }

.site-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.footer-line { color: var(--text-muted); font-size: 13px; margin: 0 0 6px; }
.footer-pitch { color: var(--text-secondary); font-size: 14px; margin: 0; }
.footer-pitch a { color: var(--accent-gold); text-decoration: none; }
.footer-pitch a:hover { border-bottom: 1px solid var(--accent-gold); }

/* entrance motion — restrained, stagger handled inline; off for reduced-motion */
.rise { animation: rise 420ms cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; }
  .feed-card.live .hairline::after { animation: none; }
}