:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --card: #161b22;
  --card-2: #1c2430;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #f7931a;      /* coin-orange */
  --accent-2: #58a6ff;    /* link blue */
  --ok: #3fb950;
  --pending: #d29922;
  --danger: #f85149;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); background: var(--card-2); padding: 1px 5px; border-radius: 4px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.mono { font-family: var(--mono); }
.small { font-size: 0.82em; }
.muted { color: var(--muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Topbar */
.topbar {
  background: linear-gradient(180deg, #10151d, #0d1117);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.topbar-inner {
  display: flex; align-items: center; gap: 20px;
  padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 8px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); font-size: 1.4rem; }
.brand-name { font-weight: 700; font-size: 1.2rem; }
.brand-ticker {
  color: var(--accent); font-weight: 700; font-size: 0.75rem;
  border: 1px solid var(--accent); border-radius: 4px; padding: 1px 5px;
}
.brand-sub { color: var(--muted); font-size: 0.9rem; }

.search { display: flex; flex: 1 1 320px; min-width: 240px; }
.search input {
  flex: 1; background: var(--bg-alt); border: 1px solid var(--border);
  border-right: none; border-radius: 8px 0 0 8px; color: var(--text);
  padding: 9px 12px; font-size: 0.92rem; outline: none;
}
.search input:focus { border-color: var(--accent-2); }
.search button {
  background: var(--accent); color: #14100a; border: none; font-weight: 700;
  padding: 0 18px; border-radius: 0 8px 8px 0; cursor: pointer;
}
.search button:hover { filter: brightness(1.08); }

/* Demo banner */
.demo-banner {
  background: rgba(210,153,34,0.12);
  border-bottom: 1px solid rgba(210,153,34,0.4);
  color: #e3b341; padding: 8px 0; font-size: 0.9rem;
}
.demo-banner strong { color: var(--pending); letter-spacing: 0.5px; }
.demo-reason { color: var(--muted); margin-left: 8px; }

.content { padding-top: 26px; padding-bottom: 60px; }

/* Stats grid */
.stats-grid {
  display: grid; gap: 14px; margin-bottom: 34px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
}
.stat-card.wide { grid-column: 1 / -1; }
.stat-label { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.6px; }
.stat-value { font-size: 1.35rem; font-weight: 700; margin-top: 4px; word-break: break-all; }
.stat-value.small { font-size: 0.92rem; font-weight: 500; }
.stat-foot { color: var(--muted); font-size: 0.78rem; margin-top: 4px; }

/* Section titles */
.section-title {
  font-size: 1.05rem; margin: 26px 0 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.page-title { font-size: 1.5rem; margin: 6px 0 14px; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td {
  padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table thead th {
  background: var(--card-2); color: var(--muted); font-weight: 600;
  text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.5px;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(88,166,255,0.06); }
.data-table th.num, .data-table td.num { text-align: right; }

.pill {
  display: inline-block; background: var(--card-2); border: 1px solid var(--border);
  padding: 2px 9px; border-radius: 20px; font-variant-numeric: tabular-nums;
}

/* Detail card */
.detail-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 6px 20px; margin-bottom: 8px;
}
.kv { display: grid; grid-template-columns: 190px 1fr; margin: 0; }
.kv dt { color: var(--muted); padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.kv dd {
  margin: 0; padding: 11px 0; border-bottom: 1px solid var(--border);
  word-break: break-all;
}
.kv dt:last-of-type, .kv dd:last-of-type { border-bottom: none; }

.crumbs { color: var(--muted); font-size: 0.85rem; margin-bottom: 10px; }
.txid-head { color: var(--accent); word-break: break-all; margin-bottom: 16px; font-size: 0.95rem; }

.nav-blocks { display: flex; gap: 10px; margin-bottom: 16px; }
.btn {
  display: inline-block; background: var(--card-2); border: 1px solid var(--border);
  color: var(--text); padding: 7px 14px; border-radius: 8px; font-size: 0.9rem;
}
.btn:hover { border-color: var(--accent-2); text-decoration: none; }

/* Badges & tags */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
.badge.ok { background: rgba(63,185,80,0.15); color: var(--ok); }
.badge.pending { background: rgba(210,153,34,0.15); color: var(--pending); }
.tag {
  display: inline-block; background: rgba(247,147,26,0.15); color: var(--accent);
  padding: 1px 7px; border-radius: 4px; font-size: 0.72rem; font-weight: 600;
}
.amount { color: var(--accent); font-variant-numeric: tabular-nums; font-weight: 600; }

/* Inputs / outputs */
.io-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: start;
}
.io-arrow { align-self: center; color: var(--muted); font-size: 1.6rem; }
.io-list { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.io-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--card);
}
.io-row:last-child { border-bottom: none; }
.io-addr { font-size: 0.82rem; word-break: break-all; }
.io-val { white-space: nowrap; color: var(--accent); font-variant-numeric: tabular-nums; }
.io-total { text-align: right; color: var(--muted); font-size: 0.85rem; margin-top: 8px; }

/* Message cards */
.message-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 40px; text-align: center; max-width: 640px; margin: 30px auto;
}
.message-card.error { border-color: rgba(248,81,73,0.5); }
.message-icon { font-size: 2.4rem; color: var(--pending); }
.message-card.error .message-icon { color: var(--danger); }
.query-box {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; margin: 14px 0; word-break: break-all; color: var(--accent);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border); color: var(--muted);
  font-size: 0.82rem; padding: 20px 0; text-align: center;
}

@media (max-width: 720px) {
  .io-grid { grid-template-columns: 1fr; }
  .io-arrow { transform: rotate(90deg); justify-self: center; }
  .kv { grid-template-columns: 130px 1fr; }
}