:root {
  --bg: #f4f6f9; --panel: #ffffff; --ink: #1c2433; --ink-2: #4a5568; --ink-3: #8592a6; --line: #e3e8ef;
  --brand: #1f5eff; --brand-2: #1747c4; --brand-soft: #e8efff;
  --ok: #12805c; --ok-soft: #e3f5ee; --warn: #b26a00; --warn-soft: #fff4e0; --bad: #c4314b; --bad-soft: #fdecef;
  --info: #3d5a80; --info-soft: #eaf0f7;
  --side: #121a2b; --side-ink: #b9c3d6; --side-hover: #1d2840;
  --radius: 10px; --shadow: 0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-size: 14px; line-height: 1.45; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0 0 12px; font-weight: 650; }
h3 { font-size: 14px; margin: 0 0 8px; font-weight: 650; }
.muted { color: var(--ink-3); }
.small { font-size: 12px; }
.right { text-align: right; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }

/* Layout */
.app { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 17px; padding: 4px 10px 16px; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg,#3b7bff,#19c39c); display: grid; place-items: center; font-size: 15px; }
.brand small { display: block; font-weight: 400; font-size: 11px; color: var(--side-ink); }
.nav-group { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #6c7a93; padding: 14px 10px 6px; }
.side a.nav { display: flex; align-items: center; gap: 10px; color: var(--side-ink); padding: 7px 10px; border-radius: 7px; font-size: 13.5px; }
.side a.nav:hover { background: var(--side-hover); color: #fff; text-decoration: none; }
.side a.nav.active { background: var(--brand); color: #fff; }
.side .ico { width: 18px; text-align: center; opacity: .9; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 28px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topbar form.search { flex: 1; max-width: 420px; }
.topbar .user { margin-left: auto; display: flex; align-items: center; gap: 12px; color: var(--ink-2); }
.content { padding: 24px 28px 48px; max-width: 1400px; }
.page-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb { font-size: 12px; color: var(--ink-3); margin-bottom: 4px; }
.menu-toggle { display: none; }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; }
.card.flush { padding: 0; }
.card.flush > h2 { padding: 16px 18px 0; }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }
.card-head .actions { margin-left: auto; display: flex; gap: 6px; }
.grid { display: grid; gap: 18px; }
.grid > * { min-width: 0; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.kpi .label { color: var(--ink-3); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 24px; font-weight: 650; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .sub { font-size: 12px; color: var(--ink-2); margin-top: 2px; }
.kpi.bad .value { color: var(--bad); }
.kpi.ok .value { color: var(--ok); }
.dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.dl dt { color: var(--ink-3); }
.dl dd { margin: 0; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); font-weight: 600; background: #fafbfc; }
tbody tr:hover { background: #f9fbff; }
tfoot td { font-weight: 650; background: #fafbfc; }
td.actions { white-space: nowrap; text-align: right; }
.empty { padding: 28px; text-align: center; color: var(--ink-3); }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--info-soft); color: var(--info); white-space: nowrap; }
.badge.ok, .badge.pagada, .badge.vigente, .badge.aplicado, .badge.resuelto { background: var(--ok-soft); color: var(--ok); }
.badge.warn, .badge.parcial, .badge.calculable, .badge.en_curso, .badge.media, .badge.pendiente { background: var(--warn-soft); color: var(--warn); }
.badge.bad, .badge.vencida, .badge.falta_indice, .badge.urgente, .badge.alta, .badge.rescindido { background: var(--bad-soft); color: var(--bad); }
.badge.anulada, .badge.finalizado, .badge.cancelado, .badge.bloqueado, .badge.futuro, .badge.baja, .badge.borrador { background: #eef0f3; color: #667085; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 14px 16px; }
.f { display: flex; flex-direction: column; gap: 5px; grid-column: span 4; }
.f.s2 { grid-column: span 2; } .f.s3 { grid-column: span 3; } .f.s6 { grid-column: span 6; } .f.s8 { grid-column: span 8; } .f.s12 { grid-column: span 12; }
.f label { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.f .help { font-size: 11.5px; color: var(--ink-3); }
input, select, textarea { font: inherit; color: var(--ink); background: #fff; border: 1px solid #cfd6e1; border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
input[disabled], select[disabled] { background: #f2f4f7; color: var(--ink-2); }
textarea { min-height: 80px; resize: vertical; }
input[type=checkbox] { width: auto; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.form-section { grid-column: span 12; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); border-bottom: 1px solid var(--line); padding: 10px 0 6px; margin-top: 4px; }
.form-actions { display: flex; gap: 8px; margin-top: 18px; }
.inline-form { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .f { grid-column: auto; min-width: 140px; }
.filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.filters input, .filters select { width: auto; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; color: var(--ink-2); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.active { color: var(--brand); border-color: var(--brand); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--ink); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid #cfd6e1; background: #fff; color: var(--ink); font: inherit; font-weight: 600; font-size: 13px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: #f5f7fa; text-decoration: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-2); }
.btn.danger { color: var(--bad); border-color: #f1c3cc; }
.btn.danger:hover { background: var(--bad-soft); }
.btn.success { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn.link { border: none; background: none; color: var(--brand); padding: 0; font-weight: 500; }
form.inline { display: inline; }

/* Flash */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 10px; border: 1px solid; }
.flash.ok { background: var(--ok-soft); border-color: #b5e2cf; color: #0b5c41; }
.flash.error { background: var(--bad-soft); border-color: #f3c0ca; color: #8f1f33; }
.flash.info { background: var(--info-soft); border-color: #c9d6e6; color: var(--info); }
.callout { padding: 12px 14px; border-radius: 8px; background: var(--info-soft); color: var(--info); margin-bottom: 14px; font-size: 13px; }
.callout.warn { background: var(--warn-soft); color: #7a4a00; }

/* Bars (reportes) */
.bars { display: flex; align-items: flex-end; gap: 10px; height: 180px; padding: 10px 4px 0; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; justify-content: flex-end; }
.bar-pair { display: flex; gap: 3px; align-items: flex-end; height: 100%; width: 100%; justify-content: center; }
.bar { width: 40%; border-radius: 4px 4px 0 0; min-height: 2px; }
.bar.e { background: #c9d6f5; } .bar.c { background: var(--brand); }
.bar-col .lbl { font-size: 11px; color: var(--ink-3); }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--ink-2); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.spark { width: 100%; height: 160px; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg,#0f1729 0%,#1b2b52 100%); padding: 16px; }
.login { background: #fff; border-radius: 14px; padding: 32px; width: 100%; max-width: 380px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.login .brand { color: var(--ink); padding: 0 0 18px; }
.login .brand small { color: var(--ink-3); }
.login .f { margin-bottom: 14px; }

/* Print (recibos y liquidaciones) */
.doc { background: #fff; max-width: 820px; margin: 24px auto; padding: 36px 40px; border: 1px solid var(--line); border-radius: 6px; }
.doc-head { display: flex; justify-content: space-between; gap: 20px; border-bottom: 2px solid var(--ink); padding-bottom: 14px; margin-bottom: 16px; }
.doc-head .title { text-align: right; }
.doc-head .title .big { font-size: 20px; font-weight: 700; }
.doc table th { background: #f2f4f7; }
.doc .total { font-size: 16px; font-weight: 700; }
.doc .firma { margin-top: 56px; display: flex; justify-content: flex-end; }
.doc .firma div { border-top: 1px solid var(--ink); width: 240px; text-align: center; padding-top: 6px; font-size: 12px; }
.print-bar { max-width: 820px; margin: 16px auto 0; display: flex; gap: 8px; }
@media print {
  .side, .topbar, .no-print, .print-bar { display: none !important; }
  .app { display: block; }
  body, .doc { background: #fff; }
  .doc { border: none; margin: 0; padding: 0; max-width: none; }
  .content { padding: 0; }
  .card { box-shadow: none; }
}

/* Responsive */
@media (max-width: 1100px) { .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .g3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { position: fixed; left: -260px; width: 240px; z-index: 20; transition: left .2s; }
  .side.open { left: 0; }
  .menu-toggle { display: inline-flex; }
  .topbar, .content { padding-left: 16px; padding-right: 16px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .f, .f.s2, .f.s3, .f.s6, .f.s8 { grid-column: span 12; }
  .topbar .user .uname { display: none; }
  .doc { padding: 20px 16px; }
}

/* ── Agregados para la versión web (SPA) ── */
button.nav, .side button.nav { width: 100%; border: 0; background: none; text-align: left; cursor: pointer; font: inherit; }
.prueba-banner { background: #b26a00; color: #fff; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-align: center; padding: 4px; border-radius: 6px; margin: 0 6px 10px; }
.modal-fondo { position: fixed; inset: 0; background: rgba(15,23,41,.45); display: grid; place-items: center; z-index: 50; padding: 16px; }
.modal { background: var(--panel); border-radius: 12px; width: 100%; max-width: 760px; max-height: calc(100vh - 32px); overflow-y: auto; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.modal.sm { max-width: 460px; }
.modal-head { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); z-index: 1; }
.modal-head h2 { margin: 0; }
.modal-head button { margin-left: auto; }
.modal-body { padding: 18px 20px; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; max-width: 420px; }
.toast { padding: 11px 14px; border-radius: 8px; color: #fff; background: #1c2433; box-shadow: 0 6px 20px rgba(0,0,0,.2); font-size: 13.5px; }
.toast.ok { background: var(--ok); } .toast.error { background: var(--bad); }
.cargando { display: grid; place-items: center; min-height: 60vh; color: var(--ink-3); }
.link-copiar { display: flex; gap: 8px; } .link-copiar input { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
details > summary { list-style: none; } details > summary::-webkit-details-marker { display: none; }
.chip { display: inline-block; padding: 1px 7px; border-radius: 6px; background: #eef0f3; font-size: 11.5px; color: var(--ink-2); }
@media print { .toasts, .modal-fondo, .prueba-banner { display: none !important; } }

/* Validación de formularios */
.f.invalido input, .f.invalido select, .f.invalido textarea { border-color: var(--bad); background: #fffafb; }
.err-campo { font-size: 11.5px; color: var(--bad); font-weight: 600; }