/* ============================================================
   SMT Mempool — sistema "Carbon" (idéntico a smartiecoin.com / explorer)
   dark charcoal · Geist · acento único naranja #F87202 · hairlines
   ============================================================ */

:root {
  --c-bg: #0a0a0b;
  --c-surface: #121214;
  --c-surface-2: #18181b;
  --c-surface-3: #1f1f23;
  --c-line: rgba(255, 255, 255, 0.08);
  --c-line-strong: rgba(255, 255, 255, 0.16);
  --c-ink: #f4f4f5;
  --c-ink-soft: #a6a6af;
  --c-ink-faint: #7c7c86;
  --c-brand: #f87202;
  --c-brand-hover: #ff8a1e;
  --c-brand-soft: rgba(248, 114, 2, 0.12);
  --c-good: #5ad29a;
  --c-bad: #f87272;
  --c-radius: 14px;
  --c-radius-sm: 10px;
  --c-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scrollbar-color: var(--c-surface-3) var(--c-bg); }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

::selection { background: var(--c-brand); color: #fff; }

a { color: var(--c-brand); text-decoration: none; transition: color .15s ease; }
a:hover, a:focus { color: var(--c-brand-hover); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-surface-3); border-radius: 999px; border: 2px solid var(--c-bg); }

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 10, 11, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-line);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--c-ink); }
.brand:hover { color: var(--c-ink); }
.brand img { display: block; }
.brand-name { font-weight: 600; font-size: 17px; letter-spacing: -0.02em; white-space: nowrap; }

.topnav { display: flex; gap: 22px; margin-left: 10px; }
.topnav a { color: var(--c-ink-soft); font-size: 14.5px; font-weight: 500; }
.topnav a:hover { color: var(--c-ink); }
.topnav a.active { color: var(--c-brand); }

.live-pill {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-ink-soft);
  font-size: 13px;
  white-space: nowrap;
}

.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-ink-faint);
  transition: background .3s ease;
}

.live-pill.ok .live-dot { background: var(--c-good); animation: pulse 2s ease-in-out infinite; }
.live-pill.err .live-dot { background: var(--c-bad); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(90, 210, 154, 0.45); }
  50% { box-shadow: 0 0 0 5px rgba(90, 210, 154, 0); }
}

/* ---------- main / hero ---------- */

main { flex: 1; width: 100%; max-width: 1280px; margin: 0 auto; padding: 40px 24px 64px; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--c-brand);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.hero-sub { margin: 0; max-width: 62ch; color: var(--c-ink-soft); line-height: 1.6; }

/* ---------- stats ---------- */

.stats {
  margin: 36px 0 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.stat-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--c-radius);
  padding: 18px;
}

.stat-label {
  margin: 0 0 10px;
  color: var(--c-ink-faint);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-value {
  margin: 0 0 6px;
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stat-value.mono { font-family: var(--c-mono); font-size: 1.2rem; }

.stat-note { margin: 0; color: var(--c-ink-faint); font-size: 12.5px; }

/* ---------- panels ---------- */

.panel {
  margin-top: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--c-radius);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-line);
}

.panel-head h2 { margin: 0; font-size: 16.5px; font-weight: 600; letter-spacing: -0.015em; }

.panel-note { color: var(--c-ink-faint); font-size: 13px; font-variant-numeric: tabular-nums; }

/* ---------- block bar ---------- */

.blockbar {
  margin: 20px 20px 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  overflow: hidden;
}

.blockbar-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--c-brand), var(--c-brand-hover));
  transition: width .5s ease;
}

.blockbar-caption {
  margin: 0 20px 20px;
  color: var(--c-ink-soft);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

/* ---------- tables ---------- */

.table-wrap { overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
  padding: 12px 20px;
  text-align: left;
  color: var(--c-ink-faint);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--c-line-strong);
  white-space: nowrap;
}

.data-table td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
  vertical-align: middle;
  white-space: nowrap;
}

.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr { transition: background .12s ease; }
.data-table tbody tr:hover { background: var(--c-brand-soft); }

.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }

.txid { font-family: var(--c-mono); font-size: 13px; color: var(--c-ink-soft); }
.txid a { color: var(--c-brand); }
.txid .trunc { color: var(--c-ink-faint); }

.ago { color: var(--c-ink-soft); }

/* ---------- empty state ---------- */

.empty { padding: 44px 20px; text-align: center; }

.empty-title { margin: 0 0 6px; font-size: 16px; font-weight: 600; color: var(--c-ink); }

.empty-sub { margin: 0; color: var(--c-ink-faint); font-size: 14px; }

/* ---------- footer ---------- */

.footer { border-top: 1px solid var(--c-line); background: #0d0d0f; }

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--c-ink-faint);
  font-size: 13.5px;
}

.footer-nav { display: flex; gap: 18px; }
.footer-nav a { color: var(--c-ink-faint); }
.footer-nav a:hover { color: var(--c-brand); }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .topnav { display: none; }
  .topbar-inner { gap: 12px; }
  main { padding: 28px 16px 48px; }
  .stat-value { font-size: 1.3rem; }
  .data-table th, .data-table td { padding-left: 14px; padding-right: 14px; }
}

@media (max-width: 520px) {
  .live-pill #live-text { display: none; }
  .live-pill { padding: 6px 10px; }
}