/* ============================================================
   DigitalID — design tokens
   Dark, near-black navy base with an electric-blue accent and a
   green "verified" / amber "lost" / red "stolen" status set.
   Space Grotesk carries headings and controls (a technical,
   geometric voice that fits a hardware-identity tool); Inter
   carries body copy for legibility; JetBrains Mono is reserved
   for actual technical data — hashes, percentages, timestamps.
   ============================================================ */

:root {
  --bg: #060911;
  --bg-panel: #0b1120;
  --bg-panel-2: #0e1526;
  --field: #101a2e;
  --line: #1e2b47;
  --line-soft: #16203a;
  --text: #e7ecf7;
  --dim: #8592b3;
  --dim-2: #5c6889;

  --neon: #4da3ff;
  --neon-strong: #7cc0ff;
  --neon-glow: rgba(77, 163, 255, 0.35);
  --neon-glow-soft: rgba(77, 163, 255, 0.16);

  --verified: #34d399;
  --verified-glow: rgba(52, 211, 153, 0.22);
  --warn: #ffb020;
  --warn-glow: rgba(255, 176, 32, 0.2);
  --danger: #ff5c72;
  --danger-glow: rgba(255, 92, 114, 0.22);

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --maxw: 760px;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(77, 163, 255, 0.09), transparent 45%),
    radial-gradient(circle at 85% 8%, rgba(52, 211, 153, 0.05), transparent 40%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--neon-strong); }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 18px 64px;
}

/* ---------- Masthead ---------- */

.masthead { text-align: center; padding: 18px 0 22px; }

.masthead .mark {
  width: 44px; height: 44px; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
}

.masthead h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--text);
}

.masthead .tagline {
  color: var(--dim);
  font-size: 14.5px;
  max-width: 46ch;
  margin: 0 auto;
}

.masthead .tagline strong {
  color: var(--neon-strong);
  font-weight: 600;
}

/* ---------- Notice ---------- */

.notice {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 0 0 20px;
  font-size: 13.5px;
  color: var(--dim);
}

.notice h2 {
  margin: 0 0 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font-display);
}

.notice.warn { border-left-color: var(--warn); }
.notice ul { margin: 6px 0 0; padding-left: 18px; }
.notice li { margin: 2px 0; }

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 20px;
}

.tabs button {
  flex: 1;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--dim);
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 6px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.tabs button.active {
  color: var(--bg);
  background: var(--neon);
}

.tabs button:not(.active):hover { color: var(--text); }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.25s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Panels / cards ---------- */

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.panel h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  margin: 0 0 14px;
}

.panel p.hint { color: var(--dim); font-size: 13.5px; margin: -8px 0 16px; }

.mode-row { display: flex; gap: 8px; margin-bottom: 16px; }

.mode-btn {
  flex: 1;
  background: var(--field);
  color: var(--dim);
  border: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 12.6px;
  font-weight: 600;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  line-height: 1.4;
  transition: border-color 0.2s, color 0.2s;
}

.mode-btn.active { border-color: var(--neon); color: var(--neon-strong); }

/* ---------- Form fields ---------- */

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dim);
  margin: 14px 0 6px;
}

label:first-of-type { margin-top: 0; }

label .optional { font-weight: 400; color: var(--dim-2); }

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
}

input:focus, textarea:focus { border-color: var(--neon); }

textarea { resize: vertical; min-height: 70px; }

.field-hint { font-size: 12px; color: var(--dim-2); margin-top: 5px; }

/* ---------- Buttons ---------- */

button.primary, button.secondary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: filter 0.2s, transform 0.05s;
}

button.primary {
  background: var(--neon);
  color: #06101f;
  box-shadow: 0 0 22px var(--neon-glow-soft);
}

button.primary:hover { filter: brightness(1.08); }
button.primary:active { transform: scale(0.99); }

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

button.secondary:hover { border-color: var(--neon); }

button:disabled { opacity: 0.5; cursor: not-allowed; }

button:focus-visible, input:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--neon-strong);
  outline-offset: 2px;
}

/* ---------- QR ---------- */

.qr-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 22px 0 6px;
}

#qrcode {
  display: inline-block;
  padding: 14px;
  background: #ffffff;
  border-radius: 8px;
  line-height: 0;
  box-shadow: 0 0 0 1px var(--line), 0 0 40px var(--neon-glow-soft);
}

#qrcode.reveal { animation: qrReveal 0.5s ease; }

@keyframes qrReveal {
  from { opacity: 0; transform: scale(0.92); filter: blur(6px); }
  to { opacity: 1; transform: scale(1); filter: blur(0); }
}

.claim-box {
  width: 100%;
  background: var(--field);
  border: 1px dashed var(--neon);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 13px;
}

.claim-box code {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--neon-strong);
  word-break: break-all;
  margin-top: 6px;
  user-select: all;
}

/* ---------- Signal table ---------- */

.signal-table { width: 100%; border-collapse: collapse; font-size: 12.8px; margin-top: 6px; }

.signal-table th {
  text-align: left;
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--dim);
  font-weight: 600;
  padding: 4px 6px;
  border-bottom: 1px solid var(--line);
}

.signal-table td { padding: 6px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.signal-table td.weight-col, .signal-table td.diff-mark { text-align: center; white-space: nowrap; font-family: var(--font-mono); }
.signal-table td.diff-mark { font-weight: 700; width: 26px; }
.signal-table td.tier-col { font-family: var(--font-mono); font-size: 10.5px; white-space: nowrap; color: var(--dim); }
.signal-table td.value-col { font-family: var(--font-mono); font-size: 11.5px; color: var(--dim); word-break: break-all; }

.diff-mark.match { color: var(--verified); }
.diff-mark.nomatch { color: var(--danger); }

/* ---------- Results ---------- */

.result-banner {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  padding: 16px;
  margin: 16px 0;
}

.result-banner strong { display: block; font-family: var(--font-display); font-weight: 600; font-size: 16px; margin-bottom: 6px; }

.result-banner.ok { border-color: var(--verified); background: var(--verified-glow); }
.result-banner.warn { border-color: var(--warn); background: var(--warn-glow); }
.result-banner.danger { border-color: var(--danger); background: var(--danger-glow); }
.result-banner.neutral { border-color: var(--line); background: var(--field); }

.score-pair { display: flex; gap: 22px; margin-top: 10px; flex-wrap: wrap; }
.score-pair .score-num { font-family: var(--font-mono); font-size: 21px; font-weight: 600; }
.score-pair .score-label { font-size: 11.5px; color: var(--dim); }
.score-item.confidence .score-num { color: var(--neon-strong); }
.score-item.hardware .score-num { color: var(--verified); }

/* ---------- Learn section ---------- */

.learn-section { margin-top: 28px; }
.learn-section > h2 { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.learn-section > p.hint { margin-top: 0; }

.learn-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background: var(--bg-panel);
  overflow: hidden;
}

.learn-item summary {
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
}

.learn-item summary::-webkit-details-marker { display: none; }
.learn-item summary svg { flex-shrink: 0; transition: transform 0.2s; color: var(--dim); }
.learn-item[open] summary svg { transform: rotate(180deg); }
.learn-item .body { padding: 0 16px 16px; color: var(--dim); font-size: 13.5px; }
.learn-item .body p { margin: 0 0 10px; }
.learn-item .body p:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */

footer {
  text-align: center;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim-2);
  font-size: 12.5px;
}

footer a { color: var(--dim); }

/* ---------- Utility ---------- */

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 160px; }
.center { text-align: center; }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25); border-top-color: var(--text);
  display: inline-block; vertical-align: -3px; margin-right: 8px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line);
}
.status-pill.active { color: var(--verified); border-color: var(--verified); }
.status-pill.reported_lost { color: var(--warn); border-color: var(--warn); }
.status-pill.reported_stolen { color: var(--danger); border-color: var(--danger); }
.status-pill.recovered { color: var(--neon-strong); border-color: var(--neon); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

@media (max-width: 480px) {
  .masthead h1 { font-size: 25px; }
  .panel { padding: 16px; }
  .score-pair { gap: 14px; }
  .signal-table { font-size: 11.5px; }
}

.dashboard-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:10px;margin:0 0 20px}.overview-card{padding:17px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#0e1526,#080e1c);min-height:118px}.overview-card-main{border-color:rgba(77,163,255,.55)}.eyebrow{font:10px var(--font-mono);letter-spacing:.14em;color:var(--dim)}.passport-id{margin:12px 0 8px;font:600 17px var(--font-mono);color:var(--neon-strong)}.passport-note{font-size:11px;color:var(--dim-2)}.metric{margin-top:18px;font:600 24px var(--font-mono);color:var(--neon-strong)}.metric-green{color:var(--verified);font-size:18px}@media(max-width:700px){.dashboard-grid{grid-template-columns:1fr 1fr}.overview-card-main{grid-column:1/-1}}@media(max-width:480px){.overview-card{padding:13px}.passport-id{font-size:14px}}

.feature-deck{margin-top:26px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(14,21,38,.95),rgba(8,14,28,.94))}.deck-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.deck-header h2{font:600 18px var(--font-display);margin:4px 0 0}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.tool-card{padding:14px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:rgba(16,26,46,.64)}.tool-card h3{font:600 14px var(--font-display);margin:8px 0 5px}.tool-card p{min-height:54px;color:var(--dim);font-size:12px;margin:0 0 12px}.tool-card .secondary{width:100%;font-size:12px;padding:9px 8px}.tool-icon{color:var(--neon-strong);font:22px var(--font-mono)}.operation-panel{margin-top:12px;min-height:86px;padding:14px;border:1px dashed var(--line);border-radius:var(--radius-sm);background:rgba(6,9,17,.45)}.empty-state{color:var(--dim);font-size:13px}.feature-result h3{margin:5px 0 12px;font:600 17px var(--font-display);color:var(--neon-strong)}.passport-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:12px}.passport-grid span{color:var(--dim)}.passport-grid b{font-family:var(--font-mono);font-weight:500;color:var(--text)}.mini-timeline{display:flex;gap:8px;flex-wrap:wrap;color:var(--verified);font:11px var(--font-mono)}@media(max-width:800px){.tool-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.feature-deck{padding:15px}.deck-header{align-items:flex-start;flex-direction:column}.tool-grid{grid-template-columns:1fr}.tool-card p{min-height:auto}.passport-grid{grid-template-columns:1fr}}