:root {
  --bg: #11130f;
  --bg-elev: #1a1e17;
  --bg-soft: #22281d;
  --line: #343c2e;
  --ink: #eef2e6;
  --muted: #8a937c;
  --accent: #c9a227;
  --accent-hot: #dfb83a;
  --leaf: #6f9b62;
  --warn: #c45c4a;
  --ok: #3d8f5c;
  --paper: #f4ecd0;
  --paper-ink: #1c2118;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font-ui: "Outfit", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  color: var(--ink);
  font-family: var(--font-ui);
  background:
    radial-gradient(900px 480px at 10% -10%, rgba(201, 162, 39, 0.16), transparent 55%),
    radial-gradient(700px 420px at 95% 0%, rgba(111, 155, 98, 0.12), transparent 50%),
    linear-gradient(180deg, #161910 0%, var(--bg) 45%, #0d0f0b 100%);
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

[hidden] { display: none !important; }

.topbar, .layout, .banner { position: relative; z-index: 1; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px clamp(16px, 4vw, 36px) 8px;
}

.topbar h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.eyebrow {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
}

.back {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  align-self: center;
}
.back:hover { color: var(--accent-hot); }

.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  align-self: center;
}
.pill.ok { color: #c8e6c0; border-color: color-mix(in srgb, var(--leaf) 55%, var(--line)); }
.pill.bad { color: #ffb4a8; border-color: color-mix(in srgb, var(--warn) 55%, var(--line)); }

.banner {
  margin: 8px clamp(16px, 4vw, 36px);
  padding: 14px 16px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--warn) 18%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--line));
  color: #ffd5ce;
}
.banner a { color: var(--accent-hot); }

.layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
  padding: 12px clamp(16px, 4vw, 36px) 40px;
  max-width: 1200px;
}

.panel {
  background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.lede, .hint {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.95rem;
}

.form {
  display: grid;
  gap: 12px;
}
.form.tight { margin-top: 12px; }

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--ink);
  padding: 11px 12px;
  font: inherit;
}
textarea { resize: vertical; font-family: var(--font-mono); font-size: 0.85rem; }
input:focus, textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 1px;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-soft);
  color: var(--ink);
}
.btn.primary {
  background: linear-gradient(180deg, var(--accent-hot), var(--accent));
  color: #1a1608;
  border-color: transparent;
}
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 10px; font-size: 0.82rem; }
.btn:hover { filter: brightness(1.06); }
.btn.danger {
  background: color-mix(in srgb, var(--warn) 35%, var(--bg-soft));
  border-color: color-mix(in srgb, var(--warn) 50%, var(--line));
}

.actions { display: flex; flex-wrap: wrap; gap: 8px; }

.error {
  margin: 10px 0 0;
  color: #ffb4a8;
  background: color-mix(in srgb, var(--warn) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent);
  border-radius: 8px;
  padding: 10px 12px;
}

.scan-card {
  position: relative;
  background:
    radial-gradient(circle at 20% 30%, rgba(180, 140, 40, 0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(120, 90, 30, 0.1), transparent 45%),
    var(--paper);
  color: var(--paper-ink);
  border-radius: 12px;
  padding: 18px 16px 16px 48px;
  border: 1px solid #d2c7a2;
}

.scan-label {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.arrow {
  position: absolute;
  left: 10px;
  top: 52%;
  transform: translateY(-50%) rotate(90deg);
  color: #c62828;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.code-frame {
  border: 3px solid #1a1a1a;
  background: #fff;
  padding: 8px;
  display: grid;
  gap: 8px;
}

.code-frame img {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
}

.code-frame .row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 8px;
  align-items: center;
}

#img-qr { max-width: 140px; justify-self: start; }
#img-code128 { align-self: center; }

.meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 12px 0 0;
  font-size: 0.85rem;
}
.meta dt { color: #6b725f; }
.meta dd { margin: 0; font-family: var(--font-mono); font-size: 0.8rem; word-break: break-all; }

.payload-box {
  margin-top: 12px;
  color: var(--muted);
}
.payload-box code {
  display: block;
  margin-top: 8px;
  padding: 10px;
  background: var(--bg-soft);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  word-break: break-all;
  color: var(--ink);
}

.reader {
  margin-top: 12px;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  min-height: 220px;
}
.reader video {
  width: 100%;
  display: block;
  max-height: 320px;
  object-fit: cover;
}

.verdict {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.45;
}
.verdict.verified {
  background: color-mix(in srgb, var(--ok) 22%, var(--bg-soft));
  border-color: color-mix(in srgb, var(--ok) 50%, var(--line));
}
.verdict.tampered, .verdict.revoked, .verdict.invalid, .verdict.unknown {
  background: color-mix(in srgb, var(--warn) 20%, var(--bg-soft));
  border-color: color-mix(in srgb, var(--warn) 45%, var(--line));
}
.verdict strong { display: block; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.78rem; }

.list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.list-item {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-soft);
  font-size: 0.9rem;
}
.list-item .row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}
.list-item code { font-family: var(--font-mono); font-size: 0.8rem; }
.status-active { color: #b7e0b0; }
.status-revoked { color: #ffb4a8; }

.ref img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: block;
}

@media (max-width: 520px) {
  .scan-card { padding-left: 40px; }
  .code-frame .row { grid-template-columns: 1fr; }
  #img-qr { max-width: 160px; }
}