/* ===== Tokens (verify variant) ===== */
:root {
  --bg: #15161b;
  --surface: #1d1f26;
  --surface-raised: #252832;
  --ink: #e7e6e4;
  --ink-dim: #9d9ba3;
  --accent: #5b6ef5;
  --accent-dim: #3a4399;
  --accent-soft: rgba(91, 110, 245, 0.1);
  --muted: #6b6e78;
  --hairline: rgba(231, 230, 228, 0.1);
  --pass: #5fb88a;
  --pass-soft: rgba(95, 184, 138, 0.1);
  --fail: #e0654f;
  --fail-soft: rgba(224, 101, 79, 0.1);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", monospace;

  --radius: 2px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(91, 110, 245, 0.06), transparent 42%),
    radial-gradient(circle at 88% 92%, rgba(91, 110, 245, 0.05), transparent 45%);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.stage {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

/* ===== Card ===== */
.card {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  position: relative;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.55);
  animation: card-in 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transition: border-color 0.3s ease;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card.is-pass { border-color: rgba(95, 184, 138, 0.4); }
.card.is-fail { border-color: rgba(224, 101, 79, 0.4); }

/* Signature element: a "stamped" strip across the top of the card,
   revealed only after a check is run — like a pass/no-pass stamp. */
.card-stamp {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: stamp-in 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes stamp-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-stamp.pass { background: var(--pass-soft); color: var(--pass); }
.card-stamp.fail { background: var(--fail-soft); color: var(--fail); }

.stamp-glyph { font-size: 14px; }

.card-inner {
  padding: 48px 40px 36px;
}

@media (max-width: 600px) {
  .card-inner { padding: 40px 24px 28px; }
  .card-stamp { padding: 10px 20px; }
}

/* ===== Type ===== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 5.5vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.lede {
  color: var(--ink-dim);
  font-size: 14.5px;
  line-height: 1.6;
  margin: 0 0 32px;
}

.lede strong { color: var(--ink); font-weight: 600; }

.footnote {
  font-size: 12px;
  color: var(--muted);
  margin: 20px 0 0;
  line-height: 1.5;
  text-align: center;
}

/* ===== Form fields ===== */
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 8px;
}

.field-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.15s ease;
  margin-bottom: 22px;
}

.field-input::placeholder { color: var(--muted); }
.field-input:focus { border-color: var(--accent); }

.field-date {
  color-scheme: dark;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.field-hint {
  min-height: 18px;
  font-size: 12px;
  color: var(--fail);
  margin: -10px 0 18px;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #f4f4ff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  width: 100%;
  justify-content: center;
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -8px rgba(91, 110, 245, 0.5); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.field-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-ghost {
  display: block;
  background: none;
  border: none;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  padding: 12px 0 0;
  text-align: center;
  width: 100%;
  transition: color 0.15s ease;
}

.btn-ghost:hover { color: var(--ink); }

/* ===== Result block ===== */
.result-block {
  margin-top: 8px;
  animation: result-in 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes result-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  margin: 0 0 8px;
}

.is-pass .result-headline { color: var(--pass); }
.is-fail .result-headline { color: var(--fail); }

.result-detail {
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 22px;
}

#submit-status.success { color: var(--pass); }
#submit-status.error { color: var(--fail); }

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .card, .card-stamp, .result-block, .btn-primary { animation: none !important; transition: none !important; }
}