:root {
  --fg: #1a1a1a;
  --fg-muted: #6b6b66;
  --fg-dim: #9a9890;
  --bg: #faf8f3;
  --card: #ffffff;
  --border: #e5e2d8;
  --border-hover: #c9c4b5;
  --row-border: #f2efe5;
  --accent: #cf9b22;
  --accent-dim: #9a6f1a;
  --gold-tint: #fef9e8;
  --gold-border: #f0e6c2;
}
* { box-sizing: border-box; }
html { text-size-adjust: 100%; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  font-feature-settings: 'kern', 'liga', 'calt';
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.005em;
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 22px 60px;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
  margin-bottom: 24px;
}
.brand {
  color: var(--fg);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.028em;
}
.brand:hover { color: var(--accent); }
nav a {
  margin-left: 22px;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.005em;
}
nav a:hover { color: var(--fg); }
main { padding: 4px 0; }
h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--fg-muted);
  margin: 34px 0 12px;
}
h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--fg-muted);
  margin: 26px 0 10px;
}
.search {
  display: flex;
  gap: 8px;
  margin: 8px 0 24px;
}
.search input {
  flex: 1;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.87rem;
  background: var(--card);
  color: var(--fg);
  font-family: inherit;
  letter-spacing: -0.005em;
}
.search input::placeholder { color: var(--fg-dim); }
.search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(207, 155, 34, 0.12);
}
.search button {
  padding: 11px 22px;
  background: var(--fg);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  letter-spacing: 0.02em;
  font-weight: 500;
}
.search button:hover { background: #000; }
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin: 14px 0 18px;
}
@media (min-width: 720px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: 6px;
  transition: border-color 0.15s ease;
}
.stat:hover { border-color: var(--border-hover); }
.stat.shielded {
  background: var(--gold-tint);
  border-color: var(--gold-border);
}
.stat.shielded:hover { border-color: #e4d699; }
.label {
  font-size: 0.66rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 500;
}
.value {
  font-size: 1.38rem;
  font-weight: 700;
  margin-top: 5px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.022em;
  font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', ui-monospace, Consolas, monospace;
}
.unit {
  font-size: 0.62rem;
  color: var(--fg-muted);
  margin-left: 6px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: 'Inter', system-ui, sans-serif;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  font-size: 0.87rem;
}
th, td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--row-border);
}
th {
  background: #f7f4eb;
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fdfbf3; }
td { font-variant-numeric: tabular-nums; }
.hash {
  font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', ui-monospace, Consolas, monospace;
  font-size: 0.77rem;
  color: var(--fg-muted);
  word-break: break-all;
  letter-spacing: -0.008em;
}
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.12s ease;
}
a:hover { color: var(--accent-dim); }
a.hash { color: var(--accent); }
.muted {
  color: var(--fg-muted);
  font-size: 0.82rem;
}
.detail {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px 24px;
  background: var(--card);
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.88rem;
  margin: 10px 0 14px;
}
.detail dt {
  color: var(--fg-muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 600;
  padding-top: 3px;
}
.detail dd {
  margin: 0;
  font-size: 0.9rem;
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}
.txlist {
  list-style: none;
  padding: 0;
  margin: 10px 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.txlist li {
  padding: 11px 14px;
  border-bottom: 1px solid var(--row-border);
}
.txlist li:last-child { border-bottom: none; }
.txlist li:hover { background: #fdfbf3; }
.txlist a { text-decoration: none; }
.banner {
  background: var(--gold-tint);
  border: 1px solid var(--gold-border);
  border-radius: 6px;
  padding: 13px 18px;
  margin: 16px 0 26px;
  font-size: 0.88rem;
  color: #5c4110;
  letter-spacing: -0.003em;
}
.banner a {
  color: #3a2a10;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(58, 42, 16, 0.35);
  text-underline-offset: 2px;
}
.banner a:hover {
  color: #1a1205;
  text-decoration-color: rgba(58, 42, 16, 0.9);
}
footer {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 56px;
  font-size: 0.76rem;
  color: var(--fg-muted);
  letter-spacing: -0.002em;
}
footer a { color: #6b6b66; }
footer a:hover { color: var(--fg); }
/* phase 0 additions: finality badges, page head, blocknav, flow, pools */

.page-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 28px 0 6px;
}
.page-head h2 {
  margin: 0;
}
.page-head h2 .mono {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  text-transform: none;
  letter-spacing: -0.02em;
  color: var(--fg);
  font-weight: 700;
}

.finality {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Inter', system-ui, sans-serif;
  border: 1px solid transparent;
}
.finality.finalized {
  background: var(--gold-tint);
  border-color: var(--gold-border);
  color: #5c4110;
}
.finality.notyet {
  background: #eef4fb;
  border-color: #d7e4f2;
  color: #2b4b75;
}
.finality.unknown {
  background: #f1efe8;
  border-color: var(--border);
  color: var(--fg-muted);
}
.finality.small {
  padding: 2px 7px;
  font-size: 0.6rem;
  letter-spacing: 0.07em;
}

.blocknav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 10px 0 14px;
  font-size: 0.82rem;
}
.blocknav a { font-weight: 500; }

.flow {
  display: flex;
  gap: 10px;
  align-items: stretch;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}
.flow-cell {
  flex: 1;
  min-width: 150px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 13px 16px;
}
.flow-cell.highlight {
  background: var(--gold-tint);
  border-color: var(--gold-border);
}
.flow-cell.shielded {
  background: var(--gold-tint);
  border-color: var(--gold-border);
}
.flow-label {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--fg-muted);
  font-weight: 600;
}
.flow-value {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, Consolas, monospace;
  font-size: 1rem;
  font-weight: 700;
  margin-top: 5px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.flow-sub {
  font-size: 0.72rem;
  margin-top: 3px;
}
.flow-arrow {
  display: flex;
  align-items: center;
  font-size: 1.2rem;
  color: var(--fg-dim);
  padding: 0 2px;
}

.pools td.num, .pools th.num {
  text-align: right;
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, Consolas, monospace;
}
.pool-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  border-radius: 3px;
  background: #f1efe8;
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
.pool-tag.pool-orchard {
  background: var(--gold-tint);
  border-color: var(--gold-border);
  color: #5c4110;
}
.pool-tag.pool-transparent {
  background: #eef4fb;
  border-color: #d7e4f2;
  color: #2b4b75;
}
.pool-tag.pool-sapling {
  background: #eef6ee;
  border-color: #d4e5d4;
  color: #2c5a2f;
}
.num.pos { color: #2c5a2f; }
.num.neg { color: #a03333; }

.hash.big {
  font-size: 0.9rem;
  margin: 4px 0 14px;
  word-break: break-all;
}
.arrow {
  margin: 0 8px;
}

/* phase 1 additions: sparklines, pool links */

.sparkline-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  margin: 10px 0 14px;
}
svg.sparkline {
  width: 100%;
  height: 80px;
  display: block;
}
.sparkline-axis {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-top: 6px;
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, Consolas, monospace;
  letter-spacing: -0.005em;
}
a.stat-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
a.stat-link:hover {
  border-color: var(--accent);
}
a.stat-link .value {
  color: var(--fg);
}

/* phase 2 additions: badges, cards for zap1/vault/zeven */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.64rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-family: 'Inter', system-ui, sans-serif;
  border: 1px solid transparent;
}
.badge-zap1 {
  background: var(--gold-tint);
  border-color: var(--gold-border);
  color: #5c4110;
}
.badge-vault {
  background: #f1ecf7;
  border-color: #dfd4ec;
  color: #4b2978;
}
.badge-zeven {
  background: #eef6ee;
  border-color: #d4e5d4;
  color: #2c5a2f;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 18px;
  margin: 12px 0 18px;
}
.card-zap1 {
  background: var(--gold-tint);
  border-color: var(--gold-border);
}
.card-zeven {
  background: #f7faf5;
  border-color: #d4e5d4;
}
.card-vault {
  background: #f7f3fb;
  border-color: #dfd4ec;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.card-title {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--fg);
}
.card-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 18px;
  margin: 0;
  font-size: 0.85rem;
}
.card-body dt {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  font-weight: 600;
  padding-top: 2px;
}
.card-body dd {
  margin: 0;
  word-break: break-all;
}
.card-foot {
  font-size: 0.76rem;
  margin: 12px 0 0;
}