:root {
  --bg: #0b1220;
  --card: #121a2b;
  --card2: #172036;
  --line: #22304d;
  --text: #e6ecf5;
  --muted: #8fa0b8;
  --up: #2ecc8f;
  --down: #ff6b6b;
  --accent: #4dabf7;
  --warn: #f6c453;
  --radius: 14px;
  --tabbar: 62px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  padding-bottom: calc(var(--tabbar) + env(safe-area-inset-bottom) + 12px);
}
a { color: var(--accent); text-decoration: none; }
h2 { font-size: 1.05rem; margin: 0 0 .5rem; }
h3 { font-size: .85rem; margin: 1.1rem 0 .4rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

/* Cabecera */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px;
  background: rgba(11, 18, 32, .94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top h1 { margin: 0; font-size: 1.25rem; }

main { padding: 12px 14px; max-width: 720px; margin: 0 auto; }

/* Avisos */
.banner { margin: 0; padding: 10px 16px; font-size: .88rem; }
.banner.warn { background: #3b3115; color: var(--warn); }
.banner.error { background: #3d1c24; color: var(--down); }

/* Tarjetas y listas */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.card.inner { background: var(--card2); margin: 0 0 10px; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 14px; min-height: 64px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); color: var(--text);
}
.row-l { min-width: 0; flex: 1; color: var(--text); }
.row-r { text-align: right; }
.sym { font-weight: 700; letter-spacing: .02em; }
.sym.big { font-size: 1.5rem; }
.name { color: var(--muted); font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.price { font-weight: 600; font-variant-numeric: tabular-nums; }
.price.big { font-size: 2rem; }
.chg { font-variant-numeric: tabular-nums; font-size: .9rem; }
.up { color: var(--up); }
.down { color: var(--down); }
.meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 4px; font-size: .75rem; color: var(--muted); }
.src { color: var(--muted); }
.stats { margin-top: 8px; font-size: .8rem; color: var(--muted); }
.note { font-size: .78rem; color: var(--muted); margin: .6rem 0 0; }
.note.legal { margin: 16px 4px; }

/* Insignias */
.chip, .badge {
  display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: .72rem;
  background: var(--card2); border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.chip.ok { color: var(--up); border-color: #1d5a45; }
.chip.warn { color: var(--warn); border-color: #5c4a14; }
.chip.market.regular { color: var(--up); border-color: #1d5a45; }
.badge.live { color: #06251a; background: var(--up); border-color: var(--up); font-weight: 600; }
.badge.recent { color: var(--up); border-color: #1d5a45; }
.badge.stale { color: var(--warn); border-color: #5c4a14; }
.badge.closed, .badge.none { color: var(--muted); }

/* Cabecera de acción */
.head-top { display: flex; justify-content: space-between; align-items: flex-start; }
.head-price { display: flex; align-items: baseline; gap: 10px; margin-top: 6px; }
.star {
  min-width: 44px; min-height: 44px; font-size: 1.6rem; line-height: 1;
  background: none; border: 0; color: var(--muted); cursor: pointer;
}
.star.on { color: var(--warn); }
.search-row { padding: 4px 6px 4px 14px; }
.search-row .row-l { padding: 8px 0; }

/* Gráfico */
.ranges, .seg { display: flex; gap: 6px; }
.ranges { margin-bottom: 8px; }
.ranges button, .seg button {
  flex: 1; min-height: 40px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card2); color: var(--muted); font: inherit; font-size: .88rem; cursor: pointer;
}
.ranges button.on, .seg button.on { color: var(--text); border-color: var(--accent); background: #16304d; }
.seg { margin: 0 0 12px; }
.chart svg { width: 100%; height: auto; display: block; touch-action: pan-y; }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.chart.up .line { stroke: var(--up); } .chart.up .area { fill: rgba(46, 204, 143, .12); }
.chart.down .line { stroke: var(--down); } .chart.down .area { fill: rgba(255, 107, 107, .12); }
.chart .cross { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
.chart .dot { fill: var(--text); }
.chart .tip { font-size: .85rem; color: var(--text); min-height: 1.3em; margin-bottom: 4px; }
.chart .axis { display: flex; justify-content: space-between; font-size: .72rem; color: var(--muted); }

/* Tablas y datos */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.kv { background: var(--card2); border-radius: 10px; padding: 10px 12px; }
.kv .k, .card.inner .k { font-size: .75rem; color: var(--muted); }
.kv .v, .card.inner .v { font-weight: 600; margin-top: 2px; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; font-variant-numeric: tabular-nums; }
th { text-align: right; color: var(--muted); font-weight: 500; padding: 6px 6px; white-space: nowrap; }
td { text-align: right; padding: 8px 6px; border-top: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }

/* Noticias y documentos */
.news { list-style: none; margin: 0; padding: 0; }
.news li + li { border-top: 1px solid var(--line); }
.news a { display: flex; gap: 10px; padding: 12px 0; color: var(--text); }
.news .h { font-weight: 600; font-size: .95rem; }
.news .s { color: var(--muted); font-size: .85rem; margin-top: 2px; }
.news .m { color: var(--muted); font-size: .75rem; margin-top: 4px; }
.news .fl { min-width: 0; }
.form {
  align-self: flex-start; min-width: 52px; text-align: center; padding: 2px 8px; border-radius: 8px;
  background: var(--card2); border: 1px solid var(--line); font-size: .78rem; color: var(--muted);
}
.form.res { color: var(--up); border-color: #1d5a45; }

/* Formularios y botones */
.field { display: block; font-size: .85rem; color: var(--muted); margin: 10px 0; }
input {
  display: block; width: 100%; margin-top: 6px; padding: 12px; font: inherit;
  background: var(--card2); color: var(--text); border: 1px solid var(--line); border-radius: 10px;
}
.searchbox { margin-bottom: 12px; }
.searchbox input { margin: 0; }
.btn {
  display: inline-block; min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 0;
  background: var(--accent); color: #05223a; font: inherit; font-weight: 600; cursor: pointer; text-align: center;
}
.btn.secondary { background: var(--card2); color: var(--text); border: 1px solid var(--line); }
.btn.danger { background: #3d1c24; color: var(--down); }
.link { background: none; border: 0; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; }

/* Estados */
.loading, .empty { color: var(--muted); text-align: center; padding: 24px 8px; font-size: .9rem; }
.error { background: #3d1c24; color: #ffb3b3; border-radius: 10px; padding: 10px 12px; margin: 10px 0; font-size: .88rem; }
.empty-state { text-align: center; padding: 48px 16px; color: var(--muted); }
.empty-state .big { font-size: 1.2rem; color: var(--text); margin-bottom: 4px; }
.health { margin-top: 12px; }
.checks { list-style: none; margin: 0; padding: 0; font-size: .88rem; }
.checks li { padding: 6px 0; }
.checks .ok { color: var(--up); }
.checks .bad { color: var(--down); }

/* Barra inferior */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; height: calc(var(--tabbar) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  background: rgba(14, 22, 38, .97); border-top: 1px solid var(--line);
}
.tabbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: .72rem; color: var(--muted); gap: 2px;
}
.tabbar a span { font-size: 1.25rem; line-height: 1; }
.tabbar a.on { color: var(--accent); }