:root, [data-theme="dark"] {
  --bg: #0a0a0c;
  --bg-soft: #121216;
  --card: #17181f;
  --card-2: #1e1f28;
  --line: #26272f;
  --text: #f2f2f4;
  --muted: #9a9ba6;
  --faint: #6d6e7a;
  --green: #2ebd85;
  --red: #f6465d;
  --gold: #e8b34b;
  --violet: #7a5af8;
  --accent: #4608e3;
  --now-bg: #23202e;
  --chip: #1e1f28;
}
[data-theme="light"] {
  --bg: #f4f4f6;
  --bg-soft: #ececf0;
  --card: #ffffff;
  --card-2: #f6f6f9;
  --line: #e2e2e9;
  --text: #17181c;
  --muted: #5f606c;
  --faint: #8b8c98;
  --green: #0a9d6c;
  --red: #d92c45;
  --gold: #a97b16;
  --violet: #5b3df0;
  --accent: #4608e3;
  --now-bg: #efeaff;
  --chip: #eceaf4;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--violet); }

/* ---------- Cabecera ---------- */
.top {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.top-in {
  max-width: 1440px; margin: 0 auto; padding: 16px 20px 8px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap;
}
.brand h1 { margin: 0; font-size: 24px; letter-spacing: -0.02em; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.top-actions { display: flex; align-items: center; gap: 8px; }
.updated { color: var(--faint); font-size: 12px; margin-right: 4px; }
.btn {
  background: var(--card-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; font-size: 13px; cursor: pointer;
}
.btn:hover { border-color: var(--faint); }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { filter: brightness(1.15); }
.config {
  max-width: 1440px; margin: 0 auto; padding: 6px 20px 14px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
}
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--chip); border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 8px 5px 12px; font-size: 13px; font-weight: 600;
}
.chip button {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 14px; line-height: 1; padding: 2px 4px; border-radius: 50%;
}
.chip button:hover { color: var(--red); }
.add-coin { display: flex; gap: 6px; }
.add-coin select {
  background: var(--card-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 10px; font-size: 13px; max-width: 190px;
}

/* ---------- Rejilla de tarjetas ---------- */
main { max-width: 1440px; margin: 0 auto; padding: 20px; }
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  align-items: start;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden;
}
.card-head { padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.coin-row { display: flex; align-items: center; gap: 10px; }
.coin-badge {
  width: 36px; height: 36px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  font-weight: 800; font-size: 11px; color: #fff; letter-spacing: -0.02em;
}
.coin-name { font-size: 17px; font-weight: 700; }
.coin-name small { color: var(--muted); font-weight: 500; margin-left: 6px; font-size: 13px; }
.coin-links { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.coin-links a { font-size: 12px; text-decoration: none; color: var(--faint); }
.coin-links a:hover { color: var(--violet); }
.remove {
  background: none; border: none; color: var(--faint); cursor: pointer; font-size: 16px; padding: 2px;
}
.remove:hover { color: var(--red); }
.price-row { display: flex; align-items: baseline; gap: 10px; margin-top: 8px; }
.price-now { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.chg { font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; }
.chg.up { color: var(--green); } .chg.down { color: var(--red); }
.price-src { margin-left: auto; color: var(--faint); font-size: 11px; }

/* ---------- Filas de niveles ---------- */
.levels { padding: 6px 0; }
.col-head, .lv {
  display: grid; grid-template-columns: 58px 1fr auto; gap: 8px; align-items: center;
  padding: 6px 16px;
}
.col-head { color: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; padding-top: 8px; }
.col-head span:last-child { text-align: right; }
.lv + .lv { border-top: 1px dashed color-mix(in srgb, var(--line) 55%, transparent); }
.lv .dist { font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
.lv .dist.up { color: var(--green); } .lv .dist.down { color: var(--red); }
.lv .mid { min-width: 0; }
.lv .label { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 6px;
  background: var(--card-2); border: 1px solid var(--line); color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge.liq { color: var(--gold); border-color: color-mix(in srgb, var(--gold) 45%, var(--line)); }
.badge.opt { color: var(--violet); border-color: color-mix(in srgb, var(--violet) 45%, var(--line)); }
.lv .detail { font-size: 11px; color: var(--muted); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lv .bar {
  display: block; height: 5px; border-radius: 3px; margin-top: 5px;
  background: color-mix(in srgb, var(--gold) 16%, var(--card-2)); overflow: hidden;
}
.lv .bar i {
  display: block; height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--gold) 55%, transparent), var(--gold));
}
.lv .bar i.wall-buy {
  background: linear-gradient(90deg, color-mix(in srgb, var(--green) 55%, transparent), var(--green));
}
.lv .bar i.wall-sell {
  background: linear-gradient(90deg, color-mix(in srgb, var(--red) 55%, transparent), var(--red));
}
.lv .bar:has(i.wall-buy), .lv .bar:has(i.wall-sell) {
  background: var(--card-2);
}
.lv .price { font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.lv.now {
  background: var(--now-bg);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.lv.now .label { color: var(--violet); }
.lv.now .price { color: var(--violet); font-size: 14px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); display: inline-block; animation: pulse 1.6s infinite; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; } }

/* ---------- Estados ---------- */
.state { padding: 26px 16px; text-align: center; color: var(--muted); font-size: 13px; }
.state button { margin-top: 10px; }
.skel { padding: 12px 16px; display: grid; gap: 10px; }
.skel div { height: 14px; border-radius: 6px; background: var(--card-2); animation: pulse 1.4s infinite; }
.empty { text-align: center; color: var(--muted); padding: 48px 16px; grid-column: 1 / -1; }

/* ---------- Método / pie ---------- */
.how {
  margin-top: 28px; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 18px 20px; font-size: 13px; color: var(--muted);
}
.how h2 { color: var(--text); font-size: 16px; margin: 0 0 8px; }
.how ul { margin: 8px 0; padding-left: 18px; display: grid; gap: 6px; }
.how .fine { font-size: 12px; color: var(--faint); }
footer {
  max-width: 1440px; margin: 0 auto; padding: 8px 20px 28px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--faint); font-size: 12px;
}
footer a { text-decoration: none; }
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  main { padding: 14px; }
  .col-head, .lv { padding-left: 12px; padding-right: 12px; }
}

/* ---------- Una moneda a la vez: selector e iconos ---------- */
.switcher {
  display: flex; flex-wrap: nowrap; align-items: center; gap: 8px;
  max-width: 640px; margin: 0 auto 12px;
}
.sw-track {
  display: flex; flex-wrap: nowrap; align-items: center; gap: 8px;
  flex: 1; min-width: 0; overflow-x: auto; padding: 2px;
  scrollbar-width: none;
}
.sw-track::-webkit-scrollbar { display: none; }
.sw-btn {
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  background: var(--card); color: var(--text);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 12px 5px 6px; font: inherit; font-size: 13.5px; font-weight: 700;
  cursor: pointer;
}
.sw-btn:hover { border-color: var(--violet); }
.sw-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.sw-x { font-size: 10px; line-height: 1; opacity: .55; padding: 3px 2px; border-radius: 50%; }
.sw-x:hover { opacity: 1; color: var(--red); }
.sw-btn.active .sw-x:hover { color: #ffd7de; }
.sw-add {
  flex: none; max-width: 128px;
  background: var(--card); color: var(--muted);
  border: 1px dashed var(--line); border-radius: 999px;
  padding: 7px 10px; font: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer;
}
.sw-add:hover { border-color: var(--violet); color: var(--violet); }
.sw-arrow {
  width: 32px; height: 32px; border-radius: 50%; flex: none;
  background: var(--card); color: var(--text);
  border: 1px solid var(--line); font-size: 18px; line-height: 1; cursor: pointer;
}
.sw-arrow:hover { border-color: var(--violet); color: var(--violet); }
.stage { max-width: 640px; margin: 0 auto; }
.hint {
  max-width: 640px; margin: 10px auto 0; color: var(--faint); font-size: 12px;
}
.coin-ic {
  position: relative; display: inline-flex; flex: none;
  width: 36px; height: 36px; border-radius: 50%; overflow: hidden;
}
.coin-ic .coin-badge { width: 100%; height: 100%; }
.coin-ic img { position: absolute; inset: 0; width: 100%; height: 100%; }
.switcher .coin-ic { width: 22px; height: 22px; }
.switcher .coin-ic .coin-badge { font-size: 7px; }
.chip .coin-ic { width: 18px; height: 18px; }
.chip .coin-ic .coin-badge { font-size: 6px; }