:root {
  --bg: #0e1116;
  --surface: #161b22;
  --surface-2: #1f252e;
  --border: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--surface); border: 1px solid var(--border); padding: 32px; border-radius: 8px; width: 320px; }
.login-card h1 { margin: 0 0 16px 0; font-size: 20px; }
.login-card label { display: block; margin-bottom: 12px; color: var(--muted); }
.login-card input { width: 100%; margin-top: 4px; padding: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; color: var(--text); }
.login-card button { width: 100%; padding: 10px; background: var(--accent); color: #fff; border: 0; border-radius: 4px; cursor: pointer; font-weight: 600; }
.login-card .error { background: rgba(248, 81, 73, 0.15); border: 1px solid var(--red); padding: 8px; border-radius: 4px; margin-bottom: 12px; color: var(--red); }

/* Topbar */
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { font-weight: 600; font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.snapshot { color: var(--muted); font-size: 12px; }
.user-info { color: var(--text); font-size: 12px; padding: 4px 10px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; }
.snapshot.stale { color: var(--red); }
.btn-link { background: transparent; color: var(--muted); border: 0; cursor: pointer; }
.btn-link:hover { color: var(--text); }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.block { margin-bottom: 32px; }
.block-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.block h2 { margin: 0 0 12px 0; font-size: 18px; font-weight: 600; }
.block h3 { margin: 24px 0 8px 0; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
select { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); padding: 6px 10px; border-radius: 4px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 14px 16px; }
.card-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.card-value { font-size: 20px; font-weight: 600; }
.card-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.card.alert { border-color: var(--red); background: rgba(248, 81, 73, 0.08); }
.card.alert .card-value { color: var(--red); }
.card.ok { border-color: var(--green); }
.card.ok .card-value { color: var(--green); }

.cotizacion-note { color: var(--muted); font-size: 12px; margin-top: 8px; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 8px; background: var(--surface); border-radius: 6px; overflow: hidden; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--surface-2); color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.ventas-detalle { margin-top: 12px; }
.ventas-detalle summary { cursor: pointer; color: var(--muted); padding: 4px 0; }

/* Objetivo */
.objetivo-wrap { margin: 16px 0; }
.objetivo-label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.objetivo-bar { height: 10px; background: var(--surface-2); border-radius: 5px; overflow: hidden; border: 1px solid var(--border); }
.objetivo-fill { height: 100%; background: var(--green); transition: width 0.4s; }

canvas { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 12px; margin-top: 16px; }

/* Tabs */
.topbar { gap: 24px; }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.tab { background: transparent; border: 0; color: var(--muted); padding: 8px 14px; cursor: pointer; border-radius: 6px; font-size: 13px; font-weight: 500; white-space: nowrap; transition: all 0.15s; }
.tab:hover { color: var(--text); background: var(--surface-2); }
.tab.active { color: var(--text); background: var(--accent); }
.tab.active:hover { background: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Sub-tabs */
.subtabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.subtab { background: transparent; border: 0; color: var(--muted); padding: 8px 14px; cursor: pointer; font-size: 13px; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.subtab:hover { color: var(--text); }
.subtab.active { color: var(--accent); border-bottom-color: var(--accent); }
.subtab-panel { display: none; }
.subtab-panel.active { display: block; }

/* Selector rango */
.rango-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.rango-controls input[type=date] { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 6px 8px; font-family: inherit; }
.rango-controls .rango-info { color: var(--muted); font-size: 12px; }

.toggle-row { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; cursor: pointer; }
.toggle-row input[type=checkbox] { accent-color: var(--accent); }

.muted-note { color: var(--muted); font-size: 12px; margin: 8px 0 12px 0; padding: 8px 12px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 4px 4px 0; }
.muted-note strong { color: var(--text); }

/* Grid de 2 charts */
.grid-2-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.grid-2-charts .chart-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 12px; }
.grid-2-charts .chart-wrap h4 { margin: 0 0 8px 0; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.grid-2-charts canvas { margin-top: 0; padding: 0; border: 0; background: transparent; }
@media (max-width: 800px) {
  .grid-2-charts { grid-template-columns: 1fr; }
}

/* Stock divergente: filas coloreadas según signo del diff */
#tabla-stock-divergente tr.row-inflado td { background: rgba(210, 153, 34, 0.10); }
#tabla-stock-divergente tr.row-deflactado td { background: rgba(88, 166, 255, 0.08); }
#tabla-stock-divergente td code,
.muted-note code { background: var(--surface-2); padding: 1px 5px; border-radius: 3px; font-size: 12px; color: var(--text); }