:root {
  --bg: #f4f6f9; --surface: #fff; --text: #1f2933; --muted: #6b7785; --border: #dfe4ea;
  --primary: #2563eb; --danger: #c0392b; --due-bg: #fff4e0;
  --c-ENVIADO: #3b82f6; --c-VISTO: #06b6d4; --c-PENDIENTE_LLAMAR: #f59e0b; --c-LLAMAR_DE_NUEVO: #f97316;
  --c-NO_CONTESTA: #8b95a1; --c-PRESUPUESTAR: #16a34a; --c-NO_INTERESA: #a855f7; --c-ERROR: #dc2626;
  --c-BAJA: #111827; --c-DUE: #ea580c;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --surface: #1b2027; --text: #e6e9ed; --muted: #97a1ad; --border: #2c343e; --due-bg: #3a2c12; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
.muted, .sub { color: var(--muted); }
.sub { font-size: 12px; }
.err { color: var(--danger); }

.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.top h1 { font-size: 18px; margin: 0; }
.actions { display: flex; gap: 8px; }
main { padding: 16px 20px 40px; max-width: 1400px; margin: 0 auto; }

.btn { display: inline-block; padding: 7px 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 8px; cursor: pointer; text-decoration: none; font: inherit; }
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.small { padding: 3px 9px; font-size: 12px; }
.link { background: none; border: 0; padding: 0; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.link:hover { color: var(--primary); text-decoration: underline; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.card { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); border-left: 5px solid var(--border); border-radius: 10px; cursor: pointer; color: inherit; font: inherit; text-align: left; }
.card .n { font-size: 24px; font-weight: 700; line-height: 1.1; }
.card .l { font-size: 12px; color: var(--muted); }
.card.active { outline: 2px solid var(--primary); }
.card:hover { border-color: var(--primary); }

.bar { display: flex; height: 10px; margin: 12px 0 16px; border-radius: 6px; overflow: hidden; background: var(--border); }
.bar .seg { display: block; min-width: 3px; }

.st-ENVIADO { --c: var(--c-ENVIADO); } .st-VISTO { --c: var(--c-VISTO); } .st-PENDIENTE_LLAMAR { --c: var(--c-PENDIENTE_LLAMAR); }
.st-LLAMAR_DE_NUEVO { --c: var(--c-LLAMAR_DE_NUEVO); } .st-NO_CONTESTA { --c: var(--c-NO_CONTESTA); } .st-PRESUPUESTAR { --c: var(--c-PRESUPUESTAR); }
.st-NO_INTERESA { --c: var(--c-NO_INTERESA); } .st-ERROR { --c: var(--c-ERROR); } .st-BAJA { --c: var(--c-BAJA); } .st-DUE { --c: var(--c-DUE); }
.card[class*="st-"] { border-left-color: var(--c); }
.seg[class*="st-"] { background: var(--c); }
select.status { border-color: var(--c, var(--border)); border-left-width: 5px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.filters input[type=search] { flex: 1 1 260px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 9px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 0; }
.check { display: inline-flex; align-items: center; gap: 5px; }
.check input { padding: 0; }

.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td { padding: 9px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: var(--bg); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tr.due td { background: var(--due-bg); }
td.notes { max-width: 260px; color: var(--muted); }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; background: var(--border); font-size: 12px; }
.tag.bad { background: var(--c-BAJA); color: #fff; }
.empty { padding: 28px; text-align: center; color: var(--muted); margin: 0; }

.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 10; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(480px, 100%); background: var(--surface); border-left: 1px solid var(--border); z-index: 11; padding: 18px; overflow-y: auto; box-shadow: -8px 0 24px rgba(0,0,0,.15); }
.drawer[hidden], .backdrop[hidden], .toast[hidden], .empty[hidden] { display: none; }
.drawer-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.drawer h2 { font-size: 17px; margin: 0; }
.drawer h3 { font-size: 14px; margin: 20px 0 8px; }
.info { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 12px 0; color: var(--muted); font-size: 13px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px; }
.drawer label { display: block; font-size: 12px; color: var(--muted); }
.drawer label > input, .drawer label > select, .drawer label > textarea { display: block; width: 100%; margin-top: 3px; color: var(--text); font-size: 14px; }
.quick { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.drawer-actions { display: flex; justify-content: flex-end; margin-top: 12px; }
.history { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.history li { padding: 5px 0; border-bottom: 1px solid var(--border); }
.history .when { color: var(--muted); }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #111827; color: #fff; padding: 9px 16px; border-radius: 8px; z-index: 20; }
.toast.error { background: var(--danger); }

@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } main { padding: 12px; } }