:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e7ebf2;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --ok: #2ecc71;
  --warn: #f1c40f;
  --err: #ff5d5d;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(0,0,0,.25);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fa; --panel: #fff; --panel-2: #f0f3f8; --border: #dde3ec;
    --text: #1a2030; --muted: #5b6678; --shadow: 0 2px 10px rgba(20,30,60,.07);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px;
}
h1, h2 { margin: 0; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 26px; }
.topbar h1 { font-size: 18px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.conn { display: flex; align-items: center; gap: 8px; }
.conn-text { font-size: 13px; color: var(--muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot-ok { background: var(--ok); } .dot-err { background: var(--err); } .dot-off { background: var(--muted); }
.icon-btn { background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 5px 9px; cursor: pointer; font-size: 15px; }
.icon-btn:hover { background: var(--panel-2); }

.settings { padding: 12px 18px; background: var(--panel-2); border-bottom: 1px solid var(--border); }
.settings-grid { display: flex; flex-wrap: wrap; gap: 16px; }
.check { display: flex; align-items: center; gap: 7px; font-size: 14px; cursor: pointer; }

.tabs { display: flex; gap: 4px; padding: 10px 18px 0; }
.tab { background: transparent; border: 1px solid var(--border); border-bottom: none; color: var(--muted);
  padding: 8px 16px; border-radius: 10px 10px 0 0; cursor: pointer; font-size: 14px; }
.tab.active { background: var(--panel); color: var(--text); font-weight: 600; }

.layout { display: grid; grid-template-columns: minmax(360px, 1fr) minmax(360px, 1.1fr); gap: 14px; padding: 14px 18px; align-items: start; }
@media (max-width: 880px) { .layout { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.field label { font-size: 13px; font-weight: 600; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
input, select, textarea {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; padding: 10px 11px; font-size: 15px; font-family: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input:disabled { opacity: .5; }
textarea { resize: vertical; }
.muted { color: var(--muted); font-weight: 400; }
.small { font-size: 12px; }
.hint { font-size: 12px; color: var(--muted); min-height: 14px; }

#asin { text-transform: uppercase; font-weight: 600; letter-spacing: .5px; }
.asin-info { background: var(--panel-2); border: 1px solid var(--border); border-radius: 9px; padding: 10px; display: flex; gap: 10px; align-items: center; font-size: 13px; }
.asin-info img { width: 46px; height: 46px; object-fit: contain; border-radius: 6px; background: #fff; }
.asin-info .ai-body { flex: 1; min-width: 0; }
.asin-info .ai-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.asin-info.nuevo { border-color: var(--accent); }
.asin-info.prohibido { border-color: var(--warn); }

.lpn-row { display: flex; gap: 10px; align-items: center; }
.switch-inline { display: flex; align-items: center; gap: 6px; font-size: 13px; white-space: nowrap; }
.lpn-hint { font-size: 12px; min-width: 70px; }
.lpn-hint.ok { color: var(--ok); } .lpn-hint.bad { color: var(--err); }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.btn { border: 1px solid var(--border); border-radius: 9px; padding: 11px 16px; font-size: 15px; cursor: pointer; background: var(--panel-2); color: var(--text); font-weight: 600; }
.btn:hover { filter: brightness(1.08); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; }
.btn-ghost { background: transparent; font-weight: 500; }

.price-chip { display: inline-block; background: var(--panel); border: 1px dashed var(--accent); color: var(--accent); border-radius: 7px; padding: 2px 8px; cursor: pointer; font-weight: 600; }

.hist-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.hist-head h2 { font-size: 15px; }
.chip { background: var(--panel-2); border: 1px solid var(--border); border-radius: 20px; padding: 1px 9px; font-size: 12px; }
.hist { display: flex; flex-direction: column; gap: 8px; max-height: 70vh; overflow: auto; }
.empty { color: var(--muted); text-align: center; padding: 24px; font-size: 13px; }

.hrow { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; animation: pop .25s ease; }
.hrow.nuevo { border-color: var(--ok); }
@keyframes pop { from { transform: translateY(-6px); opacity: 0; } to { transform: none; opacity: 1; } }
.hrow .h-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.hrow .h-lpn { font-size: 17px; font-weight: 700; letter-spacing: .5px; }
.hrow .h-price { font-weight: 700; }
.hrow .h-meta { color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.hrow .h-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 7px; align-items: center; }
.badge { font-size: 11px; border-radius: 6px; padding: 2px 7px; border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.info { color: var(--accent); border-color: var(--accent); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.wait { color: var(--muted); }
.h-reprint { margin-left: auto; font-size: 12px; padding: 3px 9px; }

.tanda { padding: 14px 18px; }
.tanda-common { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; margin-bottom: 12px; align-items: end; }
.check-field { flex-direction: row; gap: 14px; align-items: center; }
.tabla-wrap { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla th, .tabla td { border: 1px solid var(--border); padding: 4px; text-align: left; }
.tabla th { background: var(--panel-2); font-size: 12px; }
.tabla input { padding: 7px; border-radius: 6px; }
.tabla td.estado { font-size: 12px; }
.tabla td.estado.ok { color: var(--ok); } .tabla td.estado.bad { color: var(--err); } .tabla td.estado.run { color: var(--accent); }
.del-row { background: transparent; border: none; color: var(--err); cursor: pointer; font-size: 16px; }

.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 18px; box-shadow: var(--shadow); font-size: 14px; max-width: 90vw; z-index: 50; }
.toast.ok { border-color: var(--ok); } .toast.err { border-color: var(--err); }
.hidden { display: none !important; }