:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #151d2e;
  --bg-card-hover: #1a2438;
  --border: #1e293b;
  --border-accent: #2d3f5e;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.12);
  --accent-2: #a78bfa;
  --accent-2-dim: rgba(167, 139, 250, 0.12);
  --green: #34d399;
  --red: #f87171;
  --orange: #fb923c;
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-accent); border-radius: 3px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── HEADER ───────────────────────────────────────── */
#header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
  flex-shrink: 0;
}
.logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.logo-net {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.search-wrap {
  flex: 1;
  max-width: 560px;
  display: flex;
  position: relative;
}
.search-wrap input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 48px 10px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-wrap input::placeholder { color: var(--text-muted); }
.search-wrap input:focus { border-color: var(--accent); }
#search-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--accent);
  border: none;
  color: var(--bg-primary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
}
#search-btn:hover { opacity: 0.85; }

.header-meta { margin-left: auto; flex-shrink: 0; }
.chain-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── MAIN ─────────────────────────────────────────── */
#main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.view { display: none; }
.view.active { display: block; animation: fadeUp 0.25s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ── HERO STATS ───────────────────────────────────── */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: var(--border-accent); }
.stat-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 6px; }
.stat-value { font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600; word-break: break-all; }
.stat-value.truncate { font-size: 0.78rem; font-weight: 500; }
.stat-value.clickable { cursor: pointer; color: var(--accent); }
.stat-value.clickable:hover { text-decoration: underline; }

/* ── TWO COL ──────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }

/* ── PANEL ────────────────────────────────────────── */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.panel h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.panel-body { max-height: 420px; overflow-y: auto; }

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  cursor: pointer;
  gap: 12px;
}
.list-row:last-child { border-bottom: none; }
.list-row:hover { background: var(--bg-card-hover); }
.list-row .label { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); }
.list-row .meta { font-size: 0.78rem; color: var(--text-muted); text-align: right; white-space: nowrap; }

/* ── DETAIL PAGE ──────────────────────────────────── */
.back-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 20px;
  transition: border-color 0.2s, color 0.2s;
}
.back-btn:hover { border-color: var(--accent); color: var(--accent); }

.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.detail-type {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
}
.detail-type.block { background: var(--accent-dim); color: var(--accent); }
.detail-type.token { background: var(--accent-2-dim); color: var(--accent-2); }
.detail-type.account { background: rgba(52,211,153,0.12); color: var(--green); }
.detail-type.transaction { background: rgba(251,146,60,0.12); color: var(--orange); }
.detail-id {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  word-break: break-all;
}

.detail-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.detail-section h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.kv-table { width: 100%; border-collapse: collapse; }
.kv-table tr { border-bottom: 1px solid var(--border); }
.kv-table tr:last-child { border-bottom: none; }
.kv-table td { padding: 10px 18px; vertical-align: top; }
.kv-table td:first-child {
  width: 180px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
}
.kv-table td:last-child {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  word-break: break-all;
}

.data-table { width: 100%; border-collapse: collapse; }
.data-table thead th {
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.data-table tbody td {
  padding: 9px 14px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--border);
  word-break: break-all;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-card-hover); }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-green { background: rgba(52,211,153,0.15); color: var(--green); }
.badge-red { background: rgba(248,113,113,0.15); color: var(--red); }

.mono { font-family: var(--font-mono); }
.link { color: var(--accent); cursor: pointer; }
.link:hover { text-decoration: underline; }

/* ── LOADER / ERROR ───────────────────────────────── */
.loader { text-align: center; padding: 40px; color: var(--text-muted); font-size: 0.85rem; }
.empty-indicator { padding: 16px 18px; color: var(--text-muted); font-size: 0.82rem; font-style: italic; }
.error-box {
  text-align: center;
  padding: 40px;
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 768px) {
  #header { flex-wrap: wrap; padding: 10px 14px; gap: 10px; }
  .search-wrap { order: 3; max-width: 100%; flex-basis: 100%; }
  .header-meta { order: 2; }
  #main { padding: 16px; }
  .two-col { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .kv-table td:first-child { width: 120px; }
}

@media (max-width: 420px) {
  .hero-stats { grid-template-columns: 1fr; }
}