/* Monitor de ofertas — estilos.
   Paleta en tokens para que el tema oscuro sea un cambio de variables. */

:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #16191d;
  --muted: #656d78;
  --border: #dfe3e8;
  --accent: #2f6feb;
  --deal-bg: #e7f7ec;
  --deal-border: #1f9d55;
  --deal-text: #14683a;
  --soft-bg: #fdf3e0;
  --soft-border: #c4831c;
  --soft-text: #8a5a08;
  --warn: #b7791f;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1e222a;
    --text: #e7eaee;
    --muted: #98a1ad;
    --border: #2a2f38;
    --accent: #6ea0ff;
    --deal-bg: #10301f;
    --deal-border: #2ec26b;
    --deal-text: #7fe0a6;
    --soft-bg: #33260f;
    --soft-border: #d9a441;
    --soft-text: #f0c67e;
    --warn: #e0b155;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ----------------------------------------------------------- cabecera -- */

.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  padding: 14px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.top h1 { font-size: 17px; margin: 0; font-weight: 600; }

.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--muted); flex: none;
}
.dot.ok   { background: var(--deal-border); }
.dot.warn { background: var(--warn); }
.dot.err  { background: #d9534f; }

.status { color: var(--muted); font-size: 13px; }

/* --------------------------------------------------------------- tabs -- */

.tabs {
  display: flex; gap: 4px;
  padding: 10px 14px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab {
  border: 0; background: none; cursor: pointer;
  padding: 9px 14px; border-radius: var(--radius) var(--radius) 0 0;
  color: var(--muted); font: inherit; font-weight: 500;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--text); border-bottom-color: var(--accent); }

.badge {
  display: inline-block; min-width: 18px; padding: 1px 6px;
  border-radius: 9px; background: var(--deal-border); color: #fff;
  font-size: 11px; font-weight: 700; text-align: center;
}

main { padding: 16px; max-width: 940px; margin: 0 auto; }

/* ----------------------------------------------------------- toolbar -- */

.toolbar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 14px;
}

input[type="search"], input[type="text"], input[type="password"], input:not([type]) {
  flex: 1 1 240px; min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text); font: inherit;
}
input:focus-visible { outline: 2px solid var(--accent); outline-offset: -1px; }

.check { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }
.hint { color: var(--muted); font-size: 13px; }

.btn {
  padding: 9px 14px; border-radius: var(--radius);
  border: 1px solid var(--accent); background: var(--accent); color: #fff;
  font: inherit; font-weight: 500; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: none; color: var(--text); border-color: var(--border); }
.btn.small { padding: 5px 10px; font-size: 13px; }

/* ------------------------------------------------------------- listas -- */

.list { display: flex; flex-direction: column; gap: 8px; }

.item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  padding: 12px 14px;
  display: grid; gap: 8px;
  grid-template-columns: 1fr auto;
  align-items: start;
}

/* Verde: oferta en supermercado, precio final y comparable. */
.item.deal {
  background: var(--deal-bg);
  border-color: var(--deal-border);
  border-left-width: 3px;
}
.item.deal .item-name { color: var(--deal-text); font-weight: 600; }

/* Ambar: oferta en MercadoLibre o en la web. El precio no incluye despacho,
   asi que la distincion de color evita que se confunda con una comparable. */
.item.deal-soft {
  background: var(--soft-bg);
  border-color: var(--soft-border);
  border-left-width: 3px;
}
.item.deal-soft .item-name { color: var(--soft-text); font-weight: 600; }
.item.deal-soft .save { background: var(--soft-border); }

.item-name { font-weight: 500; margin: 0; }
.item-sub { color: var(--muted); font-size: 13px; margin: 0; }

.prices { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; }
.price { font-variant-numeric: tabular-nums; font-weight: 600; }
.price.strike { text-decoration: line-through; color: var(--muted); font-weight: 400; }
.save {
  background: var(--deal-border); color: #fff;
  border-radius: 999px; padding: 1px 8px;
  font-size: 12px; font-weight: 700;
}

.offers { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 4px; margin-top: 2px; }
.offer {
  display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap;
  font-size: 13px; padding: 4px 8px;
  background: var(--surface-2); border-radius: 6px;
}
.offer.best { outline: 1px solid var(--deal-border); }
.offer .store { font-weight: 600; min-width: 96px; }
.offer a { color: var(--accent); }

.tag {
  font-size: 11px; padding: 1px 7px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted);
}
.tag.approx { border-color: var(--warn); color: var(--warn); }

.actions { display: flex; gap: 6px; align-items: center; }

.empty, .muted { color: var(--muted); }
.empty { text-align: center; padding: 36px 12px; }

/* ------------------------------------------------------------ ajustes -- */

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}
.card h2 { font-size: 15px; margin: 0 0 10px; }
.card label { display: block; margin: 10px 0; font-size: 13px; color: var(--muted); }
.card label input { display: block; width: 100%; margin-top: 5px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }

.steps { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
.steps li { margin: 5px 0; }
.steps strong, .steps em { color: var(--text); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }

code {
  background: var(--surface-2); padding: 1px 5px;
  border-radius: 4px; font-size: 0.9em;
}

/* -------------------------------------------------------------- toast -- */

.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: var(--radius);
  font-size: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.22); z-index: 50;
}

@media (max-width: 560px) {
  .item { grid-template-columns: 1fr; }
  .actions { justify-content: flex-start; }
}

/* Etiquetas propias de las fuentes sin despacho incluido. */
.tag.ship   { border-color: var(--soft-border); color: var(--soft-text); }
.tag.free   { border-color: var(--deal-border); color: var(--deal-text); }
.offer.external { border-left: 2px solid var(--soft-border); }