/* Tiny Explorer — token-driven light + dark theme.
   Light  = warm paper + single gold accent, monospace chain data.
   Dark   = deep blue-black "cyberworld", faint cyan grid, neon glow. */

:root {
  --gold:        #ff8c00;
  --gold-soft:   #ffb454;
  --green:       #16a34a;
  --red:         #dc2626;

  /* Light (default) */
  --bg:          #f7f3ec;
  --bg-grid:     transparent;
  --surface:     #fffdf9;
  --surface-2:   #f2ece0;
  --border:      #e3d9c6;
  --text:        #1c1a16;
  --text-soft:   #6b6353;
  /* Stat-card label: deliberately dark + heavy for contrast on the surface */
  --label:       #3a352c;
  --value:       #12100c;
  --accent:      #c26a00;
  --link:        #b45f00;
  --badge-bg:    #f2ece0;
  --shadow:      0 1px 2px rgba(40,30,10,.06), 0 6px 20px rgba(40,30,10,.05);
  --glow:        none;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #070b14;
    --bg-grid:   rgba(56,189,248,.05);
    --surface:   #0d1424;
    --surface-2: #111a30;
    --border:    #1e2c47;
    --text:      #e8eef7;
    --text-soft: #93a4c0;
    /* Stat-card label: bright, spaced, glowing — reads clearly on dark ground */
    --label:     #7fdcff;
    --value:     #f4f8ff;
    --accent:    #ffb454;
    --link:      #ffb454;
    --badge-bg:  #111a30;
    --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 30px rgba(0,0,0,.35);
    --glow:      0 0 14px rgba(255,140,0,.35);
  }
}

:root[data-theme="dark"] {
  --bg:        #070b14;
  --bg-grid:   rgba(56,189,248,.05);
  --surface:   #0d1424;
  --surface-2: #111a30;
  --border:    #1e2c47;
  --text:      #e8eef7;
  --text-soft: #93a4c0;
  --label:     #7fdcff;
  --value:     #f4f8ff;
  --accent:    #ffb454;
  --link:      #ffb454;
  --badge-bg:  #111a30;
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 30px rgba(0,0,0,.35);
  --glow:      0 0 14px rgba(255,140,0,.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.tx-wrap { max-width: 1080px; margin: 0 auto; padding: 0 18px; }

/* ── Header ─────────────────────────────────────────────────────────── */

.tx-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky; top: 0; z-index: 20;
}
.tx-header-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 18px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.tx-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.tx-brand:hover { text-decoration: none; }
.tx-logo { width: 40px; height: 40px; flex: none; filter: drop-shadow(var(--glow)); }
.tx-brand-text { display: flex; flex-direction: column; }
.tx-title {
  font-size: 20px; font-weight: 800; color: var(--value);
  letter-spacing: -.01em; line-height: 1.1;
}
.tx-title .tx-accent { color: var(--gold); }
.tx-slogan {
  font-size: 12px; color: var(--accent); font-style: italic;
  margin-top: 2px; max-width: 46ch;
}
.tx-header-spacer { flex: 1 1 auto; }

.tx-search { display: flex; gap: 6px; flex: 1 1 260px; max-width: 420px; }
.tx-search input {
  flex: 1; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-family: var(--mono); font-size: 13px;
}
.tx-search input:focus { outline: 2px solid var(--gold); outline-offset: 0; }
.tx-btn {
  padding: 9px 14px; border-radius: 8px; border: 1px solid var(--gold);
  background: var(--gold); color: #1a1206; font-weight: 700; cursor: pointer;
  font-size: 13px;
}
.tx-btn:hover { background: var(--gold-soft); }

.tx-theme-toggle {
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; width: 40px; height: 40px;
  cursor: pointer; font-size: 18px; line-height: 1; flex: none;
}
.tx-theme-toggle:hover { border-color: var(--gold); }

/* ── Stat grid ──────────────────────────────────────────────────────── */

.tx-main { padding: 26px 0 12px; }

.tx-stats {
  display: grid; gap: 14px;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 22px;
}
@media (max-width: 860px) { .tx-stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .tx-stats { grid-template-columns: 1fr 1fr; } }

.tx-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 15px; box-shadow: var(--shadow);
  position: relative; min-height: 84px;
}
.tx-card-label {
  font-size: 11px; font-weight: 800; text-transform: uppercase;
  letter-spacing: .09em; color: var(--label);
  display: flex; align-items: center; gap: 5px;
}
:root[data-theme="dark"] .tx-card-label,
:root:not([data-theme="light"]) .tx-card-label { text-shadow: 0 0 10px rgba(127,220,255,.25); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .tx-card-label { text-shadow: none; }
}
.tx-card-value {
  font-family: var(--mono); font-size: 20px; font-weight: 700;
  color: var(--value); margin-top: 8px; word-break: break-word;
}
.tx-card-sub { font-size: 11px; color: var(--text-soft); margin-top: 3px; font-family: var(--mono); }
.tx-tsu { color: var(--gold); }

.tx-info {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--badge-bg); border: 1px solid var(--border);
  color: var(--text-soft); font-size: 10px; cursor: help; font-style: normal;
  font-weight: 700;
}
.tx-info[data-tip] { position: relative; }
.tx-info[data-tip]:hover::after, .tx-info[data-tip]:focus::after {
  content: attr(data-tip); position: absolute; left: 0; top: 130%;
  width: max-content; max-width: 240px; z-index: 30;
  background: var(--value); color: var(--bg); padding: 8px 10px;
  border-radius: 7px; font-size: 11px; font-weight: 500; line-height: 1.4;
  letter-spacing: 0; text-transform: none; box-shadow: var(--shadow);
}

.live-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); margin-right: 6px; vertical-align: middle;
  box-shadow: 0 0 0 0 rgba(22,163,74,.5); animation: tx-pulse 2s infinite;
}
@keyframes tx-pulse {
  0% { box-shadow: 0 0 0 0 rgba(22,163,74,.5); }
  70% { box-shadow: 0 0 0 7px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

/* ── Detail boxes ───────────────────────────────────────────────────── */

.tx-details {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: 14px; box-shadow: var(--shadow);
}
.tx-details > summary {
  cursor: pointer; padding: 14px 16px; font-weight: 700; color: var(--value);
  list-style: none; display: flex; align-items: center; gap: 8px;
}
.tx-details > summary::-webkit-details-marker { display: none; }
.tx-details > summary::before { content: "▸"; color: var(--gold); font-size: 12px; }
.tx-details[open] > summary::before { content: "▾"; }
.tx-details-body { padding: 0 16px 16px; color: var(--text-soft); font-size: 14px; }
.tx-details-body ul { margin: 6px 0 0; padding-left: 18px; }
.tx-details-body li { margin: 6px 0; }
.tx-details-body strong { color: var(--text); }

/* ── Latest blocks table ────────────────────────────────────────────── */

.tx-section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 8px 2px 12px;
}
.tx-section-head h2 { font-size: 16px; margin: 0; color: var(--value); }
.tx-section-meta { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.tx-updated { font-size: 12px; color: var(--text-soft); font-family: var(--mono); }
.tx-sync {
  font-size: 12px; font-family: var(--mono); color: var(--text-soft);
  display: inline-flex; align-items: center; gap: 6px; cursor: help;
}
.tx-sync::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-soft); display: inline-block; flex: none;
}
.tx-sync.ok   { color: var(--green); }
.tx-sync.ok::before   { background: var(--green); }
.tx-sync.warn { color: #d97706; }
.tx-sync.warn::before { background: #d97706; }
.tx-sync.unknown::before { background: var(--text-soft); }

.tx-table-wrap {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; overflow-x: auto; box-shadow: var(--shadow);
}
table.tx-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.tx-table th {
  text-align: left; padding: 11px 14px; color: var(--label);
  font-size: 11px; text-transform: uppercase; letter-spacing: .07em;
  border-bottom: 1px solid var(--border); font-weight: 800;
}
.tx-table td { padding: 11px 14px; border-bottom: 1px solid var(--border); font-family: var(--mono); }
.tx-table tr:last-child td { border-bottom: none; }
.tx-table tbody tr { cursor: pointer; }
.tx-table tbody tr:hover { background: var(--surface-2); }
.tx-table .col-h { color: var(--value); font-weight: 700; }
.tx-hash { color: var(--text-soft); }
.age-warn { color: var(--gold); }
.age-old { color: var(--red); }

.tx-skel { display: inline-block; height: 14px; width: 70%; border-radius: 4px;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 37%, var(--surface-2) 63%);
  background-size: 400% 100%; animation: tx-shimmer 1.4s ease infinite; }
@keyframes tx-shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }
@media (prefers-reduced-motion: reduce) { .tx-skel { animation: none; } }

/* ── Block detail page ──────────────────────────────────────────────── */

.tx-block-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin: 20px 0 16px; }
.tx-block-head h1 { font-size: 24px; margin: 0; color: var(--value); font-family: var(--mono); }
.tx-nav { display: flex; gap: 8px; }
.tx-nav a {
  padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); font-size: 13px; color: var(--text);
}
.tx-nav a:hover { border-color: var(--gold); text-decoration: none; }

.tx-rows {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow); margin-bottom: 16px; overflow: hidden;
}
.tx-row { display: grid; grid-template-columns: 190px 1fr auto; gap: 12px;
  padding: 11px 16px; border-bottom: 1px solid var(--border); align-items: center; }
.tx-row:last-child { border-bottom: none; }
.tx-row-label { color: var(--label); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.tx-row-value { font-family: var(--mono); font-size: 13px; color: var(--value); word-break: break-all; }
.tx-row-value a.tx-link { color: var(--gold); text-decoration: none; }
.tx-row-value a.tx-link:hover { text-decoration: underline; }
.tx-error code.commit { font-family: var(--mono); color: var(--text-soft); word-break: break-all; }
.tx-copy {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-soft);
  border-radius: 6px; padding: 4px 9px; font-size: 11px; cursor: pointer; white-space: nowrap;
}
.tx-copy:hover { border-color: var(--gold); color: var(--text); }
.tx-copy.copied { color: var(--green); border-color: var(--green); }
@media (max-width: 620px) { .tx-row { grid-template-columns: 1fr; gap: 4px; } }

.tx-lists { display: grid; gap: 16px; }
.tx-list {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.tx-list > h3 { margin: 0; padding: 13px 16px; font-size: 14px; color: var(--value); border-bottom: 1px solid var(--border); }
.tx-list-body { padding: 6px 16px 12px; }
.tx-item { display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 0; border-bottom: 1px dashed var(--border); font-family: var(--mono); font-size: 12px; }
.tx-item:last-child { border-bottom: none; }
.tx-item .commit { color: var(--text-soft); word-break: break-all; flex: 1 1 300px; }
.tx-empty { color: var(--text-soft); font-size: 13px; padding: 10px 0; }

.badge { font-size: 10px; font-weight: 800; padding: 2px 7px; border-radius: 5px; letter-spacing: .04em; }
.badge-coinbase { background: var(--gold); color: #1a1206; }
.badge-plain { background: var(--badge-bg); color: var(--text-soft); border: 1px solid var(--border); }
.badge-height-locked { background: #7c3aed; color: #fff; }
.spent-tag { font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 5px; }
.spent-tag.spent { background: var(--red); color: #fff; }
.spent-tag.unspent { background: var(--green); color: #fff; }

.tx-note {
  background: var(--surface-2); border-left: 3px solid var(--gold);
  border-radius: 6px; padding: 11px 14px; font-size: 13px; color: var(--text-soft);
  margin: 4px 0 16px;
}
.tx-note strong { color: var(--text); }

pre.tx-raw {
  margin: 0; padding: 14px 16px; background: var(--bg); color: var(--text);
  font-family: var(--mono); font-size: 12px; overflow-x: auto; border-radius: 0 0 12px 12px;
  max-height: 460px;
}

.tx-error { text-align: center; padding: 46px 16px; }
.tx-error h2 { color: var(--value); margin: 0 0 8px; }
.tx-error p { color: var(--text-soft); }

/* ── 404 fallback cards ─────────────────────────────────────────────── */

.tx-404 { text-align: center; padding: 40px 16px 10px; }
.tx-404 h1 { font-size: 64px; margin: 0; color: var(--gold); font-family: var(--mono); }
.tx-404 p { color: var(--text-soft); }
.tx-fallbacks { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin: 22px 0; }
.tx-fallback {
  display: block; text-align: left; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; box-shadow: var(--shadow);
}
.tx-fallback:hover { border-color: var(--gold); text-decoration: none; }
.tx-fallback .name { font-weight: 800; color: var(--value); font-size: 15px; }
.tx-fallback .blurb { color: var(--text-soft); font-size: 13px; margin-top: 5px; }

/* ── Toast ──────────────────────────────────────────────────────────── */

.tx-toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--value); color: var(--bg); padding: 11px 18px; border-radius: 10px;
  font-weight: 700; font-size: 13px; opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s; z-index: 50; box-shadow: var(--shadow);
}
.tx-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Footer ─────────────────────────────────────────────────────────── */

.tx-footer {
  border-top: 1px solid var(--border); margin-top: 30px; padding: 22px 18px 34px;
  text-align: center; color: var(--text-soft); font-size: 13px;
}
.tx-footer a { color: var(--link); }
.tx-footer .tx-seo { max-width: 720px; margin: 12px auto 0; font-size: 12px; opacity: .8; }