/* Maestro de Cobranzas — estilos.
   Paleta oscura profesional: mismo espíritu que la versión anterior
   (índigo de acento, superficies oscuras neutras), reconstruida para este
   frontend nuevo — no es una copia literal del CSS del Artifact. */

:root{
  --paper:#0b0d12; --surface:#12151d; --surface-2:#171b26; --border:#232837;
  --ink:#e7e9f0; --ink-muted:#8b93a7; --ink-faint:#5b6479;
  --accent:#6366f1; --accent-ink:#eef0ff; --admin:#a855f7;
  --success:#22c55e; --warning:#eab308; --critical:#ef4444; --info:#38bdf8;
  --radius:10px; --shadow:0 8px 24px rgba(0,0,0,.35);
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.45}
h1,h2,h3{margin:0;text-wrap:balance}
button{font-family:inherit}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
[hidden]{display:none!important}
::selection{background:var(--accent);color:#fff}

/* ---------- login ---------- */
#loginGate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.login-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.login-brand .mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.login-brand .name{font-weight:700;letter-spacing:.02em;font-size:13px;color:var(--ink-muted);text-transform:uppercase}
.login-card h1{font-size:20px;margin-bottom:4px}
.login-sub{color:var(--ink-muted);font-size:12.5px;margin-bottom:20px}
.login-card label{display:block;font-size:12px;color:var(--ink-muted);margin:14px 0 6px}
.login-card input{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--ink);font-size:14px}
.login-card input:focus{outline:2px solid var(--accent);outline-offset:1px}
.login-error{margin-top:12px;font-size:12.5px;color:var(--critical);min-height:16px}
.login-card .btn-primary{width:100%;margin-top:18px}
.login-foot{margin-top:20px;font-size:11px;color:var(--ink-faint);line-height:1.5}

/* ---------- shell ---------- */
.shell{display:flex;min-height:100vh}
#rail{width:76px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;padding:16px 0;gap:4px}
.brand{width:38px;height:38px;border-radius:10px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
.rail-btn{width:60px;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 0;background:none;border:0;color:var(--ink-muted);border-radius:10px;cursor:pointer;font-size:10px;position:relative}
.rail-btn svg{width:20px;height:20px}
.rail-btn:hover{background:var(--surface-2);color:var(--ink)}
.rail-btn.active{background:rgba(99,102,241,.16);color:var(--accent-ink)}
.rail-btn .badge{position:absolute;top:2px;right:10px;background:var(--critical);color:#fff;border-radius:999px;font-size:9px;padding:1px 5px;font-weight:700}
.rail-spacer{flex:1}
.rail-who{width:44px;height:44px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;cursor:pointer;position:relative}
.rail-who .rolept{position:absolute;bottom:-3px;right:-3px;width:16px;height:16px;border-radius:50%;background:var(--admin);color:#fff;font-size:9px;display:flex;align-items:center;justify-content:center;border:2px solid var(--surface)}
.rail-who .rolept.cobrador{background:var(--accent)}

#main{flex:1;min-width:0;padding:28px 32px;overflow-x:auto}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.topbar h1{font-size:22px}
.topbar .sub{color:var(--ink-muted);font-size:12.5px;margin-top:4px}
.actions{display:flex;gap:8px}

/* ---------- botones / chips / campos ---------- */
.btn{background:var(--surface-2);border:1px solid var(--border);color:var(--ink);border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer}
.btn:hover{border-color:var(--accent)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.btn-danger{background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.4);color:#fca5a5}
.btn-ghost{background:none;border-color:transparent}
.btn-sm{padding:6px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.chip{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap}
.chip-info{background:rgba(56,189,248,.15);color:#7dd3fc}
.chip-success{background:rgba(34,197,94,.15);color:#86efac}
.chip-warning{background:rgba(234,179,8,.15);color:#fde047}
.chip-critical{background:rgba(239,68,68,.15);color:#fca5a5}
.chip-neutral{background:var(--surface-2);color:var(--ink-muted)}

.ftext,.fsel{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:9px 11px;color:var(--ink);font-size:13px;font-family:inherit}
.ftext:focus,.fsel:focus{outline:2px solid var(--accent);outline-offset:1px}
textarea.ftext{min-height:70px;resize:vertical}
.flabel{display:block;font-size:11.5px;color:var(--ink-muted);margin-bottom:5px}
.flabel.req::after{content:" *";color:var(--critical)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:10px}
.form-row.three{grid-template-columns:1fr 1fr 1fr}

/* ---------- paneles / tablas ---------- */
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.panel.empty{padding:36px;text-align:center;color:var(--ink-muted)}
.panel-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}
.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.stat-tile.alert{border-color:rgba(239,68,68,.5)}
.stat-tile .label{font-size:11px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em}
.stat-tile .value{font-size:24px;font-weight:700;margin-top:4px}
.stat-tile .foot{font-size:11px;color:var(--ink-faint);margin-top:2px}

.table-wrap{overflow-x:auto}
table.ledger{width:100%;border-collapse:collapse;font-size:13px}
table.ledger th{text-align:left;padding:10px 12px;color:var(--ink-muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--border);white-space:nowrap}
table.ledger td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
table.ledger tbody tr:hover{background:var(--surface-2);cursor:pointer}
.cname{font-weight:600}
.csub{color:var(--ink-muted);font-size:11.5px}
.amt{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:600}

/* ---------- bandeja ---------- */
.task-list{display:flex;flex-direction:column;gap:10px}
.task-card{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--ink-faint);border-radius:var(--radius);padding:14px 16px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.task-card.p-critica{border-left-color:var(--critical)}
.task-card.p-alta{border-left-color:var(--warning)}
.task-card.p-media{border-left-color:var(--info)}
.task-card.p-baja{border-left-color:var(--ink-faint)}
.task-top{display:flex;gap:10px;align-items:center;margin-bottom:4px}
.task-name{font-weight:700}
.task-why{color:var(--ink-muted);font-size:12px;margin-bottom:8px}
.task-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--ink-muted)}
.task-side{display:flex;flex-direction:column;gap:6px;align-items:flex-end;justify-content:center}

/* ---------- ficha (drawer) ---------- */
#fichaRoot{position:fixed;inset:0;z-index:50}
.scrim{position:absolute;inset:0;background:rgba(4,5,8,.6)}
.drawer{position:absolute;top:0;right:0;bottom:0;width:min(480px,100%);background:var(--paper);border-left:1px solid var(--border);display:flex;flex-direction:column;box-shadow:-16px 0 32px rgba(0,0,0,.4)}
.drawer-head{display:flex;justify-content:space-between;align-items:flex-start;padding:18px 20px;border-bottom:1px solid var(--border)}
.drawer-body{padding:18px 20px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:4px}
.sub{color:var(--ink-muted);font-size:12.5px}
.section-title{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);margin:18px 0 8px;font-weight:700}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field-label{font-size:11px;color:var(--ink-muted)}
.field-val{margin-top:2px}
.banner{border-radius:8px;padding:10px 12px;font-size:12.5px}
.banner-info{background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.25)}
.timeline{display:flex;flex-direction:column;gap:10px}
.tl-item{border-left:2px solid var(--border);padding-left:12px}
.tl-item.tl-admin{border-left-color:var(--admin)}
.tl-head{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-muted)}
.tl-who{font-weight:600;color:var(--ink)}
.tl-result{margin-top:2px;font-size:13px}
.tl-obs{margin-top:2px;font-size:12px;color:var(--ink-muted)}

/* ---------- toasts / modal ---------- */
#toasts{position:fixed;bottom:20px;right:20px;z-index:100;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 14px;font-size:13px;box-shadow:var(--shadow)}
.toast.err{border-color:rgba(239,68,68,.5);color:#fca5a5}
.modal{position:fixed;inset:0;background:rgba(4,5,8,.6);display:flex;align-items:center;justify-content:center;z-index:60;padding:20px}
.modal-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;width:100%;max-width:420px}

@media (max-width:720px){
  #main{padding:18px}
  .shell{flex-direction:column}
  #rail{width:100%;flex-direction:row;padding:8px 12px;overflow-x:auto}
  .rail-spacer{display:none}
  .field-grid,.form-row{grid-template-columns:1fr}
}

/* "Imprimir / Guardar como PDF" en Reportes: usa la impresión nativa del
   navegador en vez de una librería de PDF -- ver docs/ARQUITECTURA.md. */
@media print{
  body{background:#fff;color:#000}
  #rail,#toasts,.actions,#repSelect,#panelSubida,.filters,label.flabel,#repDesc,#repContratoWrap,.banner{display:none!important}
  #main{padding:0}
  .ledger{color:#000}
  .ledger th,.ledger td{border-color:#ccc;color:#000}
  .chip{border:1px solid #999;background:none!important;color:#000!important}
  #repTabla{max-height:none!important;overflow:visible!important}
}