:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #fafaf9;
  --border: #e7e5e2;
  --text: #141414;
  --muted: #7d766c;
  --accent: #e2661c;
  --accent-ink: #ffffff;
  --accent-soft: #fdece0;
  --good: #1f7a3d;
  --good-bg: #eaf6ee;
  --good-border: #bfe3cb;
  --bad: #c23b2c;
  --bad-bg: #fbeae7;
  --bad-border: #f0c3ba;
  --head-bg: #141414;
  --head-text: #f5f4f2;
  --shadow: 0 1px 2px rgba(20,20,20,.04), 0 6px 20px rgba(20,20,20,.05);
  --c1: #e2661c; --c2: #2f6fd6; --c3: #158f7a; --c4: #7a4fd1;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121212; --panel: #1a1a1a; --panel-2: #161616;
    --border: #303030; --text: #f2f0ed; --muted: #a39a8d;
    --accent: #f0813d; --accent-ink: #141414; --accent-soft: #3a2415;
    --good: #6fd18f; --good-bg: #16281c; --good-border: #2c4c34;
    --bad: #e88778; --bad-bg: #2e1a16; --bad-border: #55302a;
    --head-bg: #0a0a0a; --head-text: #f2f0ed;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4);
    --c1: #f0813d; --c2: #6d9fee; --c3: #4fc9b3; --c4: #ab8bf0;
  }
}
:root[data-theme="dark"] {
  --bg: #121212; --panel: #1a1a1a; --panel-2: #161616;
  --border: #303030; --text: #f2f0ed; --muted: #a39a8d;
  --accent: #f0813d; --accent-ink: #141414; --accent-soft: #3a2415;
  --good: #6fd18f; --good-bg: #16281c; --good-border: #2c4c34;
  --bad: #e88778; --bad-bg: #2e1a16; --bad-border: #55302a;
  --head-bg: #0a0a0a; --head-text: #f2f0ed;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4);
  --c1: #f0813d; --c2: #6d9fee; --c3: #4fc9b3; --c4: #ab8bf0;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Inter", -apple-system, "Segoe UI", sans-serif;
  padding: 32px 20px 80px;
}
.wrap { max-width: 1180px; margin: 0 auto; }
.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 6px; font-weight: 600;
}
h1 { font-size: clamp(24px, 3.2vw, 32px); font-weight: 700; margin: 0 0 6px; letter-spacing: -.01em; }
.sub { color: var(--muted); font-size: 13.5px; margin-bottom: 16px; }
.sub .n { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--text); }

.nav { display: flex; gap: 16px; margin-bottom: 22px; }
.nav a {
  font-size: 13px; font-weight: 600; color: var(--accent); text-decoration: none;
  display: inline-flex; align-items: center; gap: 5px;
}
.nav a:hover { text-decoration: underline; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.card { padding: 18px 20px; margin-bottom: 18px; }
.card h2 { font-size: 15.5px; font-weight: 700; margin: 0 0 3px; display: flex; align-items: center; gap: 8px; }
.card .desc { color: var(--muted); font-size: 12px; margin: 0 0 14px; }
.vacio-info { color: var(--muted); font-size: 12.5px; padding: 10px 0; }

.calc-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600;
}
select, input[type="text"], input[type="number"] {
  font-size: 13.5px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--panel-2); color: var(--text); font-family: inherit; min-width: 130px;
}
select:focus-visible, input:focus-visible, button:focus-visible, summary:focus-visible, .hist-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
button.primary {
  background: var(--accent); color: var(--accent-ink); border: none; border-radius: 6px;
  padding: 9px 18px; font-size: 13.5px; font-weight: 700; cursor: pointer; font-family: inherit;
}
button.primary:hover { filter: brightness(1.08); }

.calc-resultado { margin-top: 16px; }
table.calc-tabla { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
table.calc-tabla th, table.calc-tabla td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
table.calc-tabla th { background: var(--head-bg); color: var(--head-text); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
table.calc-tabla tr.mejor td { background: var(--good-bg); }
table.calc-tabla tr.mejor td.precio { font-weight: 700; color: var(--good); }
.exacto { display: inline-block; font-size: 10px; font-family: "JetBrains Mono", monospace; color: var(--good); background: var(--good-bg); border: 1px solid var(--good-border); border-radius: 4px; padding: 1px 5px; margin-left: 6px; font-weight: 600; }

.rank-fila { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 13px; }
.rank-nombre { width: 90px; font-weight: 600; flex-shrink: 0; }
.rank-barra-wrap { flex: 1; background: var(--panel-2); border-radius: 4px; height: 20px; overflow: hidden; }
.rank-barra { height: 100%; border-radius: 4px; display: flex; align-items: center; padding-left: 8px; color: #fff; font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

.cambios-lista { display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }
.cambio-fila { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 6px 8px; border-radius: 6px; background: var(--panel-2); }
.cambio-fila .flecha { font-weight: 700; width: 16px; text-align: center; }
.cambio-fila.subida .flecha { color: var(--bad); }
.cambio-fila.bajada .flecha { color: var(--good); }
.cambio-fila .prod { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cambio-fila .delta { font-variant-numeric: tabular-nums; font-weight: 600; }
.cambio-fila.subida .delta { color: var(--bad); }
.cambio-fila.bajada .delta { color: var(--good); }

.leyenda { display: flex; gap: 14px; flex-wrap: wrap; font-size: 11.5px; margin-top: 8px; color: var(--muted); }
.leyenda span { display: inline-flex; align-items: center; gap: 5px; }
.leyenda i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

.filtros { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; padding: 14px 18px; margin-bottom: 20px; }

.referencia { padding: 18px 20px; margin-bottom: 16px; }
.referencia h2 { font-size: 16px; font-weight: 700; margin: 0 0 12px; }
.ganadores { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.ganador {
  background: var(--good-bg); border: 1px solid var(--good-border); border-radius: 6px;
  padding: 7px 12px; font-size: 12.5px; display: flex; align-items: center; gap: 6px;
}
.ganador b { color: var(--good); }
.ganador.vacio { background: transparent; border-color: var(--border); color: var(--muted); }
.competidor-titulo {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-weight: 600; font-size: 11px;
  letter-spacing: .05em; text-transform: uppercase; margin-top: 14px; margin-bottom: 6px; color: var(--muted);
}
.tabla-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 12.5px; margin-bottom: 4px; font-variant-numeric: tabular-nums; }
th, td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
th { background: var(--head-bg); color: var(--head-text); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
tr.mejor td { background: var(--good-bg); font-weight: 600; }
details summary { cursor: pointer; font-size: 12.5px; color: var(--accent); font-weight: 600; margin: 8px 0; }
.hist-btn {
  font-size: 11px; padding: 3px 9px; border: 1px solid var(--border); border-radius: 5px;
  background: var(--panel-2); color: var(--text); cursor: pointer; font-family: inherit;
}
.hist-btn:hover { border-color: var(--accent); color: var(--accent); }

#historico { display: none; position: fixed; inset: 0; background: rgba(10,10,10,.5); align-items: center; justify-content: center; z-index: 10; padding: 20px; }
#historico .caja { background: var(--panel); border-radius: 10px; padding: 22px; max-width: 560px; width: 100%; max-height: 82vh; overflow: auto; box-shadow: var(--shadow); }
#historico h3 { font-weight: 700; margin-top: 0; font-size: 15px; }
#historico .cerrar { float: right; cursor: pointer; font-size: 20px; color: var(--muted); line-height: 1; }
svg.spark { display: block; margin: 12px 0; }
#estado { color: var(--muted); font-size: 13px; }
.nota-final { color: var(--muted); font-size: 11.5px; text-align: center; margin-top: 28px; }