/* ============================================================
   Arcangeles · Cuentas & Cobranzas
   Estética: negro / blanco / gris plateado (según logo)
   Mobile-first
   ============================================================ */

:root {
  --negro: #0d0d0d;
  --negro-2: #1a1a1a;
  --gris-900: #222222;
  --gris-700: #3a3a3a;
  --gris-500: #6b6b6b;
  --gris-300: #c9c9c9;
  --plata: #e8e8e8;
  --fondo: #f4f4f5;
  --blanco: #ffffff;

  --ok: #1a7f37;
  --ok-bg: #e6f4ea;
  --soon: #175cd3;
  --soon-bg: #eaf1fd;
  --today: #b45309;
  --today-bg: #fdf0e0;
  --late: #b91c1c;
  --late-bg: #fdeaea;

  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 14px rgba(0,0,0,.05);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--fondo);
  color: var(--negro);
  font-size: 15px;
  line-height: 1.45;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 700; }
h2 { font-size: 16px; }

.muted { color: var(--gris-500); }
.small { font-size: 12.5px; }
.block { display: block; }
.empty { color: var(--gris-500); text-align: center; padding: 18px 8px; }
.center-hint { text-align: center; padding: 10px; }
.text-late { color: var(--late); }
.detail { font-family: monospace; font-size: 12px; color: var(--late); word-break: break-all; }

/* ==================== Estructura ==================== */
.app-shell { min-height: 100vh; }

.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 250px; z-index: 50;
  background: linear-gradient(180deg, var(--negro) 0%, var(--negro-2) 100%);
  color: var(--blanco);
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform .22s ease;
}
.sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.45); }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 16px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand img { width: 44px; height: 44px; object-fit: contain; background: var(--blanco); border-radius: 10px; padding: 3px; }
.brand strong { display: block; font-size: 16px; letter-spacing: .04em; text-transform: uppercase; }
.brand span { font-size: 11.5px; color: var(--gris-300); }

.nav { flex: 1; overflow-y: auto; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 9px;
  color: var(--gris-300); font-weight: 500; font-size: 14px;
}
.nav a span { width: 20px; text-align: center; }
.nav a:hover { background: rgba(255,255,255,.07); color: var(--blanco); }
.nav a.active { background: var(--blanco); color: var(--negro); font-weight: 700; }
.nav-sep {
  margin: 14px 12px 4px; font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--gris-500);
}
.badge-alert {
  margin-left: auto; background: var(--late); color: #fff;
  border-radius: 999px; font-size: 11px; padding: 1px 8px; font-style: normal;
}
.sidebar-foot {
  padding: 12px 14px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.user-chip { font-size: 13px; color: var(--gris-300); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.overlay {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(0,0,0,.45);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.overlay.show { opacity: 1; pointer-events: auto; }

.main { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: rgba(244,244,245,.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--plata);
}
.hamburger {
  border: 1px solid var(--gris-300); background: var(--blanco);
  border-radius: 9px; font-size: 17px; line-height: 1;
  padding: 7px 11px; cursor: pointer;
}
.page-title { flex: 1; font-size: 17px; }
.page { padding: 14px; max-width: 1100px; width: 100%; margin: 0 auto; }

/* ==================== Botones ==================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--blanco); color: var(--negro);
  border: 1px solid var(--gris-300); border-radius: 9px;
  padding: 9px 14px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: filter .12s, transform .05s;
}
.btn:hover { filter: brightness(.96); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--negro); border-color: var(--negro); color: var(--blanco); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.danger { background: var(--late); border-color: var(--late); color: #fff; }
.btn.wa { background: #128c4b; border-color: #128c4b; color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 10px; font-size: 13px; border-radius: 8px; }
.btn.xs { padding: 3px 8px; font-size: 12px; border-radius: 7px; }
.btn.block { display: flex; width: 100%; margin-bottom: 8px; }
.actions { white-space: nowrap; text-align: right; }
.actions .btn { margin-left: 4px; }

/* ==================== Cards y KPIs ==================== */
.card {
  background: var(--blanco); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; margin-bottom: 14px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }

.grid-kpis {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 10px; margin-bottom: 14px;
}
.kpi {
  background: var(--blanco); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px; border-top: 3px solid var(--gris-700);
}
.kpi.late { border-top-color: var(--late); }
.kpi.today { border-top-color: var(--today); }
.kpi.soon { border-top-color: var(--soon); }
.kpi.ok { border-top-color: var(--ok); }
.kpi-label { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--gris-500); }
.kpi-value { display: block; font-size: 21px; margin-top: 4px; font-variant-numeric: tabular-nums; }

.two-col { display: grid; grid-template-columns: 1fr; gap: 14px; }
.mini-stats ul, .mini-stats-list { list-style: none; margin: 0 0 10px; padding: 0; }
.mini-stats li, .mini-stats-list li {
  display: flex; justify-content: space-between; padding: 8px 2px;
  border-bottom: 1px dashed var(--plata); font-size: 14px;
}
.quick-actions .btn { justify-content: flex-start; }

/* ==================== Tablas ==================== */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--gris-500); padding: 8px 10px; border-bottom: 2px solid var(--plata);
  white-space: nowrap;
}
.table td { padding: 10px; border-bottom: 1px solid var(--fondo); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table.mini td, .table.mini th { padding: 6px 8px; }
.row-reverted { opacity: .45; }
.revert-row td { padding-top: 0; border-bottom: 1px solid var(--plata); }

.tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 999px;
  background: var(--fondo); border: 1px solid var(--plata);
}
.tag.type-pago { background: var(--ok-bg); border-color: transparent; color: var(--ok); }
.tag.type-venta { background: var(--gris-900); border-color: var(--gris-900); color: #fff; }
.tag.type-saldo_inicial { background: var(--soon-bg); border-color: transparent; color: var(--soon); }
.muted-tag { background: var(--plata); color: var(--gris-700); }

.estado-pill {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .03em;
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}
.estado-pill.ok    { background: var(--ok-bg);    color: var(--ok); }
.estado-pill.soon  { background: var(--soon-bg);  color: var(--soon); }
.estado-pill.today { background: var(--today-bg); color: var(--today); }
.estado-pill.late  { background: var(--late-bg);  color: var(--late); }

/* ==================== Formularios ==================== */
.form-card.narrow { max-width: 560px; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 10px 0 4px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 4px; color: var(--gris-700); }
.field input, .field select, .field textarea, .search-form input, .filter-row input {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--gris-300); border-radius: 9px;
  font-size: 15px; background: var(--blanco); color: var(--negro);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--negro); outline-offset: 0; border-color: var(--negro);
}
.field small { display: block; margin-top: 3px; }
.span-2 { grid-column: span 2; }
.inline-fields { display: flex; gap: 8px; }
.radio-row { display: flex; gap: 16px; flex-wrap: wrap; }
.radio { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; }
.radio input { width: auto; }
.form-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.cond-field { display: none; }
.cond-field.visible { display: block; }

.searchbar { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.search-form { display: flex; gap: 8px; flex: 1; min-width: 220px; }
.search-form input { flex: 1; }

.chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 10px; }
.chip {
  white-space: nowrap; padding: 6px 12px; border-radius: 999px;
  background: var(--blanco); border: 1px solid var(--gris-300);
  font-size: 13px; font-weight: 600; color: var(--gris-700);
}
.chip.active { background: var(--negro); border-color: var(--negro); color: #fff; }

.filter-row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-bottom: 12px; }
.filter-row label { font-size: 13px; font-weight: 600; color: var(--gris-700); display: flex; flex-direction: column; gap: 3px; }
.filter-row input { width: auto; }

/* ==================== Ficha cliente ==================== */
.ficha-head { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; }
.ficha-id h2 { font-size: 19px; }
.ficha-saldo { text-align: right; }
.saldo-big { display: block; font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; }
.action-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }

.danger-zone summary { cursor: pointer; font-weight: 700; color: var(--late); }
.inline-form { margin-top: 10px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.alloc-box { border: 1px dashed var(--gris-300); border-radius: 9px; padding: 10px 12px; margin: 12px 0; }
.alloc-box summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.alloc-box .radio { margin: 8px 8px 0 0; }
#manual-alloc { margin-top: 10px; }
.alloc-input { width: 110px !important; padding: 6px 8px !important; text-align: right; }

/* ==================== Calendario ==================== */
.cal-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.cal-head h2 { flex: 1; font-size: 17px; }
.calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px;
}
.cal-dow { text-align: center; font-size: 11px; font-weight: 700; color: var(--gris-500); padding: 4px 0; text-transform: uppercase; }
.cal-day {
  min-height: 58px; border: 1px solid var(--plata); border-radius: 9px;
  padding: 5px; display: flex; flex-direction: column; gap: 2px;
  background: var(--blanco); overflow: hidden;
}
.cal-day.out { opacity: .35; }
.cal-day.is-today { border-color: var(--negro); border-width: 2px; }
.cal-day.is-sel { outline: 2px solid var(--negro); }
.cal-day.has-soon { background: var(--soon-bg); }
.cal-day.has-today { background: var(--today-bg); }
.cal-day.has-late { background: var(--late-bg); }
.cal-num { font-size: 12px; font-weight: 700; color: var(--gris-700); }
.cal-total { font-size: 11px; font-weight: 800; font-variant-numeric: tabular-nums; }
.cal-count { font-size: 10px; color: var(--gris-500); }

.day-list { list-style: none; margin: 0; padding: 0; }
.day-list li {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 2px; border-bottom: 1px dashed var(--plata);
}
.day-list li:last-child { border-bottom: none; }
.day-list .muted { flex: 1; min-width: 120px; }

/* ==================== Alertas ==================== */
.alert-block { border-left: 5px solid var(--gris-700); }
.alert-block.late-bg { border-left-color: var(--late); }
.alert-block.soon-bg { border-left-color: var(--today); }
.alert-block.limit-bg { border-left-color: var(--negro); }
.alert-list { list-style: none; margin: 0; padding: 0; }
.alert-list li {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 2px; border-bottom: 1px dashed var(--plata);
}
.alert-list li:last-child { border-bottom: none; }
.alert-list li > div:first-child { flex: 1; min-width: 150px; }

/* ==================== Reportes ==================== */
.export-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }
.export-grid .btn { justify-content: flex-start; margin: 0; }

/* ==================== Flash ==================== */
.flash {
  max-width: 1100px; margin: 10px auto 0; padding: 11px 14px;
  border-radius: 10px; font-size: 14px; font-weight: 500;
}
.flash.ok { background: var(--ok-bg); color: var(--ok); border: 1px solid transparent; }
.flash.error { background: var(--late-bg); color: var(--late); }
.page .flash { margin: 0 0 12px; }

/* ==================== Login ==================== */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--negro) 0%, var(--gris-900) 60%, var(--gris-700) 100%);
  padding: 16px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--blanco); border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
  padding: 28px 24px; text-align: center;
}
.login-card.center { text-align: center; }
.login-logo { width: 84px; height: 84px; object-fit: contain; margin-bottom: 8px; }
.login-logo.small { width: 60px; height: 60px; }
.login-card h1 { font-size: 19px; text-transform: uppercase; letter-spacing: .05em; }
.login-card form { text-align: left; margin-top: 14px; }
.login-card .field { margin-bottom: 12px; }

.help-steps { padding-left: 18px; margin: 8px 0 0; }
.help-steps li { margin-bottom: 10px; font-size: 14px; }

/* ==================== Impresión ==================== */
.print-title { display: none; }
@media print {
  .sidebar, .topbar, .no-print, .flash, .action-row, .filter-row { display: none !important; }
  body { background: #fff; }
  .page { padding: 0; max-width: none; }
  .card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
  .print-title { display: block; font-size: 18px; }
  .saldo-big { font-size: 22px; }
}

/* ==================== Desktop ==================== */
@media (min-width: 900px) {
  .sidebar { transform: translateX(0); }
  .overlay { display: none; }
  .hamburger { display: none; }
  .main { margin-left: 250px; }
  .topbar { padding: 14px 22px; }
  .page { padding: 20px 22px; }
  .grid-kpis { grid-template-columns: repeat(5, 1fr); }
  .two-col { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .export-grid { grid-template-columns: repeat(2, 1fr); }
  .cal-day { min-height: 74px; }
}

/* Móvil: tabla → tarjetas con data-th */
@media (max-width: 720px) {
  table.table thead { display: none; }
  table.table tr { display: block; padding: 8px 4px; border-bottom: 1px solid var(--plata); }
  table.table td {
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    border: none; padding: 4px 2px;
  }
  table.table td::before {
    content: attr(data-th);
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    color: var(--gris-500); letter-spacing: .04em;
  }
  table.table td.actions::before { content: none; }
  table.table.statement td::before { content: attr(data-th); }
  .revert-row td::before { content: none; }
  .saldo-big { font-size: 26px; }
  .kpi-value { font-size: 18px; }
}