:root {
  --bg: #0f1116;
  --bg-soft: #161a22;
  --card: #1b202b;
  --card-hover: #212836;
  --border: #2a3242;
  --text: #e7ebf3;
  --muted: #94a0b8;
  --accent: #f4623a;
  --accent-soft: rgba(244, 98, 58, .14);
  --good: #33c98a;
  --warn: #f0b429;
  --bad: #ef5b5b;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(0, 0, 0, .28);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fa; --bg-soft: #ffffff; --card: #ffffff; --card-hover: #fbfcff;
    --border: #e2e7f0; --text: #161c26; --muted: #64708a;
    --shadow: 0 6px 20px rgba(20, 30, 60, .08);
  }
}

* { 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;
}

h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
a { color: inherit; }
.muted { color: var(--muted); font-size: 13px; }
.hidden { display: none !important; }

/* ---------------- topbar ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 12px 22px;
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 26px; }
.topbar h1 { font-size: 19px; }
.tagline { margin: 0; font-size: 12px; color: var(--muted); }
.tabs { display: flex; gap: 4px; margin-left: auto; }
.tab {
  border: 0; background: transparent; color: var(--muted);
  padding: 8px 14px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 550;
}
.tab:hover { background: var(--card); color: var(--text); }
.tab.active { background: var(--accent-soft); color: var(--accent); }
.topbar-actions { display: flex; gap: 8px; }

/* ---------------- botones y campos ---------------- */
.btn {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 550;
  transition: transform .06s ease, background .15s ease;
}
.btn:hover { background: var(--card-hover); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); background: var(--accent); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, var(--border)); }

input, select, textarea {
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 8px 11px; font: inherit; font-size: 14px;
}
input:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

main { padding: 20px 22px 60px; max-width: 1500px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------------- filtros ---------------- */
.filters {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  padding: 14px; background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 14px;
}
#q { flex: 1 1 260px; min-width: 200px; }
.filters input[type=number] { width: 110px; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); cursor: pointer; }

.statsbar { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.statsbar b { color: var(--text); font-weight: 650; }

/* ---------------- rejilla de ofertas ---------------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 14px; }

.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, border-color .12s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.card-img { position: relative; aspect-ratio: 4 / 3; background: var(--bg-soft); }
.card-img img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.card-badges { position: absolute; top: 8px; left: 8px; display: flex; flex-direction: column; gap: 5px; align-items: flex-start; }
.badge {
  font-size: 11px; font-weight: 650; padding: 3px 8px; border-radius: 999px;
  background: rgba(0, 0, 0, .55); color: #fff; backdrop-filter: blur(4px);
}
.badge-discount { background: var(--accent); }
.badge-best { background: var(--good); }
.badge-expired { background: var(--bad); }
.badge-ship { background: rgba(0, 0, 0, .55); }

.score-ring {
  position: absolute; top: 8px; right: 8px;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; color: #fff;
  background: conic-gradient(var(--accent) calc(var(--v) * 1%), rgba(255, 255, 255, .18) 0);
}
.score-ring span { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(12, 14, 20, .82); }

.card-body { padding: 11px 13px 13px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.card-title { font-size: 14px; font-weight: 600; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.price-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price { font-size: 19px; font-weight: 700; }
.price-old { font-size: 13px; color: var(--muted); text-decoration: line-through; }
.card-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-top: auto; }
.chip { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; font-size: 11px; }
.chips { display: inline-flex; gap: 4px; flex-wrap: wrap; }
/* Aviso de que el enlace no va a la tienda anunciada, sino a un tercero. */
.chip-via { border-style: dashed; color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }
.temp { color: var(--accent); font-weight: 650; }

.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 26px 0 0; }

/* ---------------- paneles y listas ---------------- */
.panel { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.panel h2 { font-size: 16px; margin-bottom: 4px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin-top: 14px; }
.form-grid label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.form-actions { grid-column: 1 / -1; display: flex; gap: 8px; }
.channels { grid-column: span 2; border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; display: flex; gap: 14px; align-items: center; }
.channels legend { font-size: 12px; color: var(--muted); padding: 0 4px; }

.list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 13px 16px;
}
.row-main { flex: 1 1 260px; min-width: 220px; }
.row-title { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.row-actions { display: flex; gap: 6px; }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-ok { background: var(--good); }
.dot-degraded { background: var(--warn); }
.dot-down { background: var(--bad); }
.dot-disabled { background: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }

/* ---------------- modal ---------------- */
.modal { position: fixed; inset: 0; background: rgba(5, 7, 12, .66); display: grid; place-items: center; z-index: 100; padding: 20px; }
.modal-card {
  position: relative; background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 16px; max-width: 780px; width: 100%; max-height: 88vh; overflow: auto; padding: 24px;
}
.modal-close { position: absolute; top: 12px; right: 12px; border: 0; background: transparent; color: var(--muted); font-size: 18px; cursor: pointer; }
.modal-head { display: flex; gap: 18px; flex-wrap: wrap; }
.modal-head img { width: 180px; height: 180px; object-fit: contain; background: var(--card); border-radius: 12px; padding: 8px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 13px; margin-top: 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.bars { display: flex; flex-direction: column; gap: 5px; margin-top: 10px; }
.bar-row { display: grid; grid-template-columns: 92px 1fr 42px; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.bar { height: 7px; background: var(--card); border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.spark { width: 100%; height: 90px; margin-top: 10px; }

/* ---------------- toast ---------------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow);
  padding: 11px 18px; border-radius: 12px; z-index: 200; font-size: 14px; max-width: 90vw;
}
.toast.err { border-color: var(--bad); color: var(--bad); }
.toast.ok { border-color: var(--good); }

.empty { text-align: center; color: var(--muted); padding: 50px 20px; }
.empty h3 { margin-bottom: 6px; }

@media (max-width: 720px) {
  .topbar { gap: 10px; padding: 10px 14px; }
  .tabs { order: 3; width: 100%; overflow-x: auto; margin-left: 0; }
  main { padding: 14px; }
  .channels { grid-column: 1 / -1; }
}