/* ============================================================
   GovChain design system v2 — bold, high-contrast, dark.
   Big display type carrying the message, saturated accent green
   for trust/verification, confident pill CTAs. Data (hashes, IDs,
   addresses) stays in mono for legibility; everything else is a
   clean grotesk built for large, unapologetic headlines.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0B0C0A;
  --bg-raised: #141613;
  --bg-card: #17190F;
  --line: #2A2D24;
  --line-soft: #1E2019;

  --text: #F4F5EF;
  --text-dim: #A8AC9E;
  --text-faint: #6E7266;

  --accent: #4ADE80;       /* verified / anchored / primary */
  --accent-dim: #2C8659;
  --accent-tint: #16241A;

  --alert: #FF6B57;        /* disputes / flags */
  --alert-tint: #2A1613;

  --gold: #F5C451;         /* reputation / reward */
  --gold-tint: #262010;

  --font-display: 'Space Grotesk', 'Arial Black', sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --radius: 10px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ---- Hero header ---- */
.hero {
  padding: 48px 40px 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 900px 400px at 15% 0%, rgba(74,222,128,0.10), transparent 60%),
    var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0;
  text-transform: uppercase;
  max-width: 780px;
}
.hero-sub {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 14px;
  max-width: 480px;
}

/* ---- Wallet block ---- */
.wallet-block { text-align: right; flex-shrink: 0; }
.wallet-addr {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; }
.dot.off { background: var(--text-faint); }
.dot.on { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.dot.warn { background: var(--alert); }

/* ---- Buttons ---- */
button {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13.5px;
  border-radius: var(--radius-pill);
  border: none;
  padding: 13px 26px;
  cursor: pointer;
  background: var(--accent);
  color: #06170D;
  transition: transform 0.12s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}
button:hover:not(:disabled) { box-shadow: 0 0 0 4px var(--accent-tint); transform: translateY(-1px); }
button:active:not(:disabled) { transform: translateY(0); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--line);
  padding: 11.5px 22px;
}
button.ghost:hover:not(:disabled) { border-color: var(--accent); box-shadow: none; color: var(--accent); }
.copy-btn {
  background: none; border: none; color: var(--text-faint);
  font-family: var(--font-mono); font-size: 11px; padding: 0;
  cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}
.copy-btn:hover { color: var(--accent); background: none; box-shadow: none; }

/* ---- Form block ---- */
.form-block { margin: 36px 40px; }
.form-block-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
}
.form-block-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  text-transform: uppercase;
  margin: 0;
}
.form-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}
.form-body {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 24px;
}

.field { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line-soft); }
.field:last-child { border-bottom: none; }
.field-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  width: 24px;
  padding-top: 10px;
  flex-shrink: 0;
}
.field-main { flex: 1; min-width: 0; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.field .hint { font-size: 11.5px; color: var(--text-faint); margin-top: 6px; }

input, select, textarea {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 11px 12px;
  border-radius: 7px;
  font-size: 13.5px;
  font-family: var(--font-ui);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.mono-field { font-family: var(--font-mono); font-size: 12.5px; }

.dropzone {
  border: 1.5px dashed var(--line);
  border-radius: 8px;
  padding: 22px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-faint);
  cursor: pointer;
  background: var(--bg-raised);
}
.dropzone.drag { border-color: var(--accent); background: var(--accent-tint); color: var(--accent); }
.dropzone input[type="file"] { display: none; }

/* ---- Status / toast ---- */
.status-line {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  padding: 12px 14px;
  border-radius: 8px;
  margin-top: 16px;
}
.status-line.show { display: flex; }
.status-line.ok { background: var(--accent-tint); color: var(--accent); }
.status-line.err { background: var(--alert-tint); color: var(--alert); }
.status-line.info { background: var(--bg-raised); color: var(--text-dim); border: 1px solid var(--line); }

.toast-stack {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 12.5px;
  padding: 13px 18px;
  border-radius: 10px;
  max-width: 320px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toast-in 0.2s ease;
}
.toast.ok { border-color: var(--accent-dim); }
.toast.err { border-color: var(--alert); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Ledger / data tables ---- */
.ledger { margin: 36px 40px; }
.ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.ledger-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  margin: 0;
}
.live-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.live-pill .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 1.6s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  font-weight: 500;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
}
tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr.new-row { animation: highlight 2.2s ease; }
@keyframes highlight {
  0% { background: var(--accent-tint); }
  100% { background: transparent; }
}
.mono { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }
.empty-row td { color: var(--text-faint); font-style: italic; padding: 22px 16px; }

.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.tag.Investigating { color: var(--text-dim); background: var(--bg-raised); }
.tag.Confirmed { color: var(--alert); background: var(--alert-tint); }
.tag.Resolved { color: var(--accent); background: var(--accent-tint); }
.tag.Disputed { color: var(--gold); background: var(--gold-tint); }

/* ---- Stat grid (Public Transparency Dashboard) ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-card { background: var(--bg-card); padding: 24px 22px; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 10px;
}

/* ---- Verification result badge ---- */
.verify-result {
  margin-top: 18px;
  padding: 20px;
  border-radius: 10px;
  display: none;
}
.verify-result.show { display: block; }
.verify-result.match { background: var(--accent-tint); border: 1px solid var(--accent-dim); }
.verify-result.mismatch { background: var(--alert-tint); border: 1px solid var(--alert); }
.verify-result-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
}
.verify-result.match .verify-result-title { color: var(--accent); }
.verify-result.mismatch .verify-result-title { color: var(--alert); }
.verify-result-detail { font-size: 12.5px; color: var(--text-dim); margin-top: 8px; }
.verify-result-detail .mono { color: var(--text); }

.reputation-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  justify-content: flex-end;
}

@media (max-width: 720px) {
  .hero, .form-block, .ledger { margin-left: 20px; margin-right: 20px; padding-left: 20px; padding-right: 20px; }
  .field { flex-direction: column; gap: 6px; }
  .field-num { display: none; }
}

/* ---- Review Panel: flag cards ---- */
.flag-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
}
.flag-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.flag-card-id { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }
.flag-card-record { font-family: var(--font-display); font-weight: 600; font-size: 18px; margin-top: 4px; }
.flag-card-meta { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.flag-card-evidence {
  margin-top: 14px;
  padding: 14px;
  background: var(--bg-raised);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text);
  border-left: 2px solid var(--gold);
}
.flag-card-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.flag-card-actions button.confirm { background: var(--alert); color: #250C08; }
.flag-card-actions button.confirm:hover { box-shadow: 0 0 0 4px var(--alert-tint); }
.flag-card-actions button.resolve { background: var(--accent); }
.flag-card-actions button.dispute { background: var(--gold); color: #241D06; }
.flag-card-actions button.dispute:hover { box-shadow: 0 0 0 4px var(--gold-tint); }
.hash-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.hash-compare-item { font-size: 11px; color: var(--text-faint); }
.hash-compare-item .mono { display: block; margin-top: 4px; color: var(--text-dim); word-break: break-all; }

/* ---- Tab navigation for the merged single-page app ---- */
.tabbar {
  display: flex;
  gap: 4px;
  padding: 0 40px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 50;
  overflow-x: auto;
}
.tab-btn {
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--text-dim);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  padding: 16px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tab-btn:hover:not(:disabled) { color: var(--text); box-shadow: none; transform: none; }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.role-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  padding: 10px 40px 0;
}