/* ==========================================================================
   SYSCONTAB — Estilo sobrio y formal, gama de azules. Responsive (mobile-first).
   ========================================================================== */
:root {
  --navy-950: #071a3a;
  --navy-900: #0a2350;
  --navy-800: #0f2f66;
  --blue-700: #194a8c;
  --blue-600: #1f5aa6;
  --blue-500: #2f74c0;
  --blue-300: #8fb3dc;
  --blue-200: #c5d8ee;
  --blue-100: #e3edf8;
  --blue-50:  #f2f6fb;
  --white: #ffffff;
  --text: #14233d;
  --muted: #55657f;
  --border: #c7d4e5;
  --border-strong: #9fb3cf;
  --ok: #17613b;     --ok-bg: #e3f3ea;
  --warn: #6f4a00;   --warn-bg: #fff4d6;
  --danger: #9d1c1c; --danger-bg: #fbe6e6;
  --req-bg: #e8f1fb;
  --radius: 4px;
  --shadow: 0 1px 2px rgba(10, 35, 80, .12), 0 2px 8px rgba(10, 35, 80, .06);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Consolas", "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.45;
  color: var(--text); background: var(--blue-50);
}
body.plain { background: linear-gradient(160deg, var(--navy-900), var(--blue-700)); min-height: 100vh; }
h1 { font-size: 1.35rem; margin: 0 0 .25rem; color: var(--navy-900); font-weight: 600; }
h2 { font-size: 1.1rem; margin: 1.25rem 0 .5rem; color: var(--navy-800); font-weight: 600; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; color: var(--navy-800); }
a { color: var(--blue-600); }
a:hover { color: var(--navy-800); }
:focus-visible { outline: 3px solid #f0b429; outline-offset: 1px; }
.skip-link { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 1000; }
.skip-link:focus { left: 8px; top: 8px; }
.muted { color: var(--muted); }
.muted-light { color: var(--blue-200); }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.hidden, [hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---- Cabecera ---------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 6px 14px;
  background: linear-gradient(180deg, var(--navy-900), var(--navy-950)); color: #fff;
}
.brand { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .06em; }
.brand-mark { width: 28px; height: 28px; }
.empresa-actual { flex: 1; min-width: 0; font-size: .92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empresa-actual .chip { background: var(--blue-600); color: #fff; padding: 1px 8px; border-radius: 10px; font-size: .8rem; font-weight: 600; }
.topbar-user { font-size: .85rem; color: var(--blue-200); white-space: nowrap; }
.nav-toggle { display: none; background: transparent; border: 1px solid var(--blue-500); border-radius: var(--radius); padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; margin: 4px 0; }

/* ---- Menú ----------------------------------------------------------------- */
.menubar { display: flex; align-items: stretch; justify-content: space-between; background: var(--blue-700); border-bottom: 1px solid var(--navy-800); position: relative; z-index: 50; }
.menu, .menu ul { list-style: none; margin: 0; padding: 0; }
.menu { display: flex; }
.menu > li > a { display: block; padding: 9px 16px; color: #fff; text-decoration: none; font-size: .93rem; }
.menu > li > a:hover, .menu > li.open > a { background: var(--navy-800); }
.menu li { position: relative; }
.submenu {
  display: none; position: absolute; left: 0; top: 100%; min-width: 250px; background: #fff;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow); z-index: 60; padding: 4px 0;
}
.submenu .submenu { left: 100%; top: -5px; }
li.open > .submenu { display: block; }
.submenu li > a, .submenu li > form > button {
  display: flex; justify-content: space-between; width: 100%; padding: 7px 18px; color: var(--text);
  text-decoration: none; font-size: .9rem; background: none; border: 0; text-align: left; font-family: inherit; cursor: pointer;
}
.submenu li > a:hover, .submenu li > form > button:hover, .submenu li > a:focus { background: var(--blue-100); }
.submenu li.has-sub > a::after { content: "\25B8"; color: var(--muted); margin-left: 12px; }
.submenu li.disabled > a { color: #9aa8bd; cursor: default; }
.submenu .hint { color: var(--muted); font-size: .78rem; margin-left: 18px; }
.menu-sep { height: 1px; background: var(--border); margin: 4px 0; }
.menubar-end { display: flex; align-items: center; padding: 0 14px; color: var(--blue-200); font-size: .85rem; }

/* ---- Barra de herramientas ----------------------------------------------- */
.toolbar { display: flex; gap: 4px; flex-wrap: wrap; padding: 6px 12px; background: var(--blue-100); border-bottom: 1px solid var(--border); }
.tool { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 4px 10px; min-width: 64px; text-decoration: none; color: var(--navy-800); border-radius: var(--radius); font-size: .75rem; }
.tool svg { width: 22px; height: 22px; }
.tool:hover { background: var(--blue-200); }

.banner { padding: 8px 16px; font-size: .9rem; }
.banner-warn { background: var(--warn-bg); color: var(--warn); border-bottom: 1px solid #e8cf87; }

/* ---- Contenido ------------------------------------------------------------ */
.content { max-width: 1320px; margin: 0 auto; padding: 18px 16px 40px; outline: none; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 10px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--blue-200); }
.page-head p { margin: 0; color: var(--muted); font-size: .9rem; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.card.narrow { max-width: 560px; margin-left: auto; margin-right: auto; }
.card-title { margin: -16px -16px 14px; padding: 8px 16px; background: var(--blue-100); border-bottom: 1px solid var(--border); font-weight: 600; color: var(--navy-800); font-size: .95rem; }
.statusbar { display: flex; flex-wrap: wrap; gap: 8px; padding: 6px 16px; background: var(--navy-900); color: var(--blue-200); font-size: .8rem; }
.statusbar .status-end { margin-left: auto; }
.statusbar .sep { opacity: .5; }

/* ---- Alertas ----------------------------------------------------------------- */
.alert { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid; font-size: .93rem; }
.alert-success { background: var(--ok-bg); border-color: #9fd2b4; color: var(--ok); }
.alert-error   { background: var(--danger-bg); border-color: #e3a3a3; color: var(--danger); }
.alert-warning { background: var(--warn-bg); border-color: #e8cf87; color: var(--warn); }
.alert-info    { background: var(--blue-100); border-color: var(--blue-300); color: var(--navy-800); }

/* ---- Botones ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 36px;
  padding: 6px 14px; border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, var(--blue-50)); color: var(--navy-800); font: inherit; font-size: .9rem;
  text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--blue-100); border-color: var(--blue-500); color: var(--navy-900); }
.btn-primary { background: linear-gradient(180deg, var(--blue-600), var(--blue-700)); border-color: var(--navy-800); color: #fff; }
.btn-primary:hover { background: var(--navy-800); color: #fff; }
.btn-danger { background: #fff; border-color: #c97b7b; color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); color: var(--danger); }
.btn-sm { min-height: 30px; padding: 3px 10px; font-size: .82rem; }
.btn[disabled], .btn.disabled { opacity: .5; cursor: not-allowed; }
.btn-icon { background: none; border: 0; font-size: 1.4rem; line-height: 1; cursor: pointer; color: var(--muted); padding: 4px 8px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.btn-row.end { justify-content: flex-end; }
.inline-form { display: inline; }

/* ---- Formularios ------------------------------------------------------------- */
.form-grid { display: grid; gap: 12px 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.form-grid .span-2 { grid-column: span 2; }
.form-grid .span-all { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > label, .field > .label { font-size: .84rem; font-weight: 600; color: var(--navy-800); }
.field .help { font-size: .78rem; color: var(--muted); }
.input, .select, textarea.input {
  width: 100%; min-height: 36px; padding: 6px 9px; border: 1px solid var(--border-strong); border-radius: var(--radius);
  font: inherit; color: var(--text); background: #fff;
}
textarea.input { min-height: 74px; resize: vertical; }
.input:focus, .select:focus { border-color: var(--blue-500); outline: 2px solid var(--blue-200); }
.input[readonly] { background: var(--blue-50); color: var(--muted); }
.input.req, .select.req, .req .input { background: var(--req-bg); border-color: var(--blue-500); }
.input.num { text-align: right; font-variant-numeric: tabular-nums; }
.input-group { display: flex; gap: 6px; }
.input-group .input { flex: 1; min-width: 0; }
.check { display: flex; align-items: center; gap: 8px; min-height: 36px; }
.check input { width: 18px; height: 18px; }
.radio-row { display: flex; gap: 16px; flex-wrap: wrap; min-height: 36px; align-items: center; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; margin: 0 0 14px; }
legend { font-weight: 600; color: var(--navy-800); padding: 0 6px; font-size: .9rem; }
.errors { color: var(--danger); font-size: .82rem; }

/* ---- Tablas ------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.tbl { width: 100%; border-collapse: collapse; font-size: .89rem; }
.tbl th { background: var(--navy-800); color: #fff; font-weight: 600; text-align: left; padding: 8px 10px; white-space: nowrap; position: sticky; top: 0; }
.tbl th.num, .tbl td.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl td { padding: 6px 10px; border-top: 1px solid var(--border); vertical-align: top; }
.tbl tbody tr:nth-child(even) { background: var(--blue-50); }
.tbl tbody tr:hover { background: var(--blue-100); }
.tbl tfoot td { background: var(--blue-100); font-weight: 700; border-top: 2px solid var(--blue-300); }
.tbl .row-mayor td { font-weight: 600; background: #eaf1fa; }
.tbl .row-total td { font-weight: 700; background: var(--blue-100); border-top: 2px solid var(--blue-300); }
.tbl .row-sub td { font-weight: 700; color: var(--navy-800); background: var(--blue-100); }
.tbl .indent-1 { padding-left: 22px; } .tbl .indent-2 { padding-left: 38px; } .tbl .indent-3 { padding-left: 54px; }
.tbl .indent-4 { padding-left: 70px; } .tbl .indent-5 { padding-left: 86px; } .tbl .indent-6 { padding-left: 102px; }
.tbl-actions { white-space: nowrap; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: .75rem; font-weight: 600; background: var(--blue-100); color: var(--navy-800); }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.pagination { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 12px; align-items: center; }
.pagination a, .pagination span { padding: 4px 10px; border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; background: #fff; font-size: .85rem; }
.pagination .current { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
.searchbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: flex-end; }
.searchbar .input { max-width: 340px; }

/* ---- Pestañas --------------------------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 2px; border-bottom: 2px solid var(--blue-600); margin-bottom: 0; }
.tab-btn { padding: 8px 16px; background: var(--blue-100); border: 1px solid var(--border); border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; cursor: pointer; font: inherit; font-size: .9rem; color: var(--navy-800); }
.tab-btn[aria-selected="true"] { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
.tab-btn[disabled] { opacity: .55; cursor: not-allowed; }
.tab-panel { padding: 14px; border: 1px solid var(--border); border-top: 0; background: #fff; }

/* ---- Grillas de líneas (partidas, cheques...) ------------------------- */
.lines { width: 100%; border-collapse: collapse; font-size: .88rem; }
.lines th { background: var(--navy-800); color: #fff; padding: 6px 8px; text-align: left; font-weight: 600; white-space: nowrap; }
.lines td { padding: 3px; border: 1px solid var(--border); background: #fff; }
.lines .input { min-height: 32px; border: 0; background: transparent; padding: 4px 6px; }
.lines .input:focus { outline: 2px solid var(--blue-500); background: var(--blue-50); }
.lines .col-num { width: 120px; } .lines .col-small { width: 80px; } .lines .col-act { width: 40px; text-align: center; }
.lines .cuenta-nombre { font-size: .8rem; color: var(--muted); padding: 4px 6px; min-width: 150px; }
.totals-bar { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; justify-content: space-between; background: var(--blue-700); color: #fff; padding: 10px 14px; border-radius: 0 0 var(--radius) var(--radius); }
.totals-bar .tot { font-variant-numeric: tabular-nums; font-weight: 600; }
.totals-bar .descuadre { color: #ffd2d2; font-weight: 700; }
.totals-bar .cuadre { color: #c4f0d3; font-weight: 700; }
.totals-bar .btn { min-height: 32px; }
.gender-box { display: flex; gap: 10px; flex-wrap: wrap; }
.gender-box > div { flex: 1; min-width: 120px; padding: 8px 10px; border-radius: var(--radius); background: var(--blue-100); border: 1px solid var(--blue-300); }
.gender-box .g-label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.gender-box .g-value { font-size: 1.1rem; font-weight: 700; color: var(--navy-800); }

/* ---- Inicio / indicadores ----------------------------------------------- */
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--blue-600); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.stat .stat-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.stat .stat-value { font-size: 1.45rem; font-weight: 700; color: var(--navy-900); font-variant-numeric: tabular-nums; }
.stat .stat-sub { font-size: .8rem; color: var(--muted); }
.tiles { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.tile { display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; text-decoration: none; color: var(--text); box-shadow: var(--shadow); }
.tile:hover { border-color: var(--blue-500); background: var(--blue-50); }
.tile strong { display: block; color: var(--navy-800); margin-bottom: 2px; }
.tile span { font-size: .85rem; color: var(--muted); }

/* ---- Árbol de cuentas ---------------------------------------------------- */
.tree, .tree ul { list-style: none; margin: 0; padding-left: 18px; }
.tree { padding-left: 0; }
.tree details > summary { cursor: pointer; padding: 5px 6px; border-radius: var(--radius); display: flex; gap: 10px; }
.tree details > summary:hover, .tree li.leaf:hover { background: var(--blue-100); }
.tree li.leaf { padding: 5px 6px 5px 22px; display: flex; gap: 10px; border-radius: var(--radius); }
.tree .t-code { font-family: var(--mono); color: var(--blue-700); min-width: 110px; }
.tree .t-name { flex: 1; }
.tree .t-amt { font-variant-numeric: tabular-nums; min-width: 110px; text-align: right; }

/* ---- Modal -------------------------------------------------------------- */
.modal { position: fixed; inset: 0; background: rgba(7, 26, 58, .55); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 12px; z-index: 200; }
.modal[hidden] { display: none; }
.modal-box { background: #fff; width: 100%; max-width: 680px; max-height: 84vh; display: flex; flex-direction: column; border-radius: var(--radius); box-shadow: 0 10px 40px rgba(0, 0, 0, .35); padding: 14px; gap: 10px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal-head h2 { margin: 0; }
.modal-body { overflow: auto; border: 1px solid var(--border); }
.modal-body tr { cursor: pointer; }
.modal-body tr.sel { background: var(--blue-100); }

/* ---- Pantalla de acceso ------------------------------------------------- */
.plain-main { max-width: 420px; margin: 0 auto; padding: 8vh 16px; }
.login-card { background: #fff; border-radius: 6px; box-shadow: 0 12px 36px rgba(0, 0, 0, .35); overflow: hidden; }
.login-head { background: linear-gradient(180deg, var(--navy-900), var(--navy-950)); color: #fff; padding: 22px 24px; text-align: center; }
.login-head h1 { color: #fff; font-size: 1.6rem; letter-spacing: .08em; margin: 6px 0 2px; }
.login-head p { margin: 0; color: var(--blue-200); font-size: .85rem; }
.login-body { padding: 22px 24px 26px; display: grid; gap: 14px; }
.login-foot { background: var(--blue-50); border-top: 1px solid var(--border); padding: 10px 24px; font-size: .78rem; color: var(--muted); text-align: center; }
.error-code { font-size: 3.2rem; font-weight: 700; color: var(--blue-600); margin: 0; }

/* ---- Utilidades de pantalla ------------------------------------------ */
.two-col { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; } }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: .9rem; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-weight: 600; }
.nav-record { display: flex; gap: 4px; }
.calc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; max-width: 320px; }
.calc button { min-height: 52px; font-size: 1.1rem; }
.calc .display { grid-column: 1 / -1; text-align: right; font-size: 1.6rem; padding: 10px; background: var(--navy-950); color: #fff; border-radius: var(--radius); min-height: 54px; overflow: hidden; }
.cal { width: 100%; max-width: 560px; border-collapse: collapse; }
.cal th { background: var(--navy-800); color: #fff; padding: 6px; }
.cal td { border: 1px solid var(--border); height: 56px; vertical-align: top; padding: 4px 6px; background: #fff; }
.cal td.off { background: var(--blue-50); color: #9aa8bd; }
.cal td.hoy { background: var(--blue-100); outline: 2px solid var(--blue-600); }
.cal td.feriado { background: #fdeede; }
.cal .fer { display: block; font-size: .68rem; color: var(--warn); line-height: 1.1; }

/* ---- Responsive ------------------------------------------------------------ */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .topbar { flex-wrap: wrap; }
  .empresa-actual { order: 3; flex-basis: 100%; }
  .menubar { display: none; flex-direction: column; }
  .menubar.open { display: flex; }
  .menu { flex-direction: column; }
  .menu > li > a { padding: 12px 16px; border-top: 1px solid var(--navy-800); }
  .submenu { position: static; box-shadow: none; border: 0; border-left: 4px solid var(--blue-300); margin-left: 12px; background: var(--blue-50); }
  .submenu .submenu { left: 0; }
  .submenu li > a, .submenu li > form > button { padding: 12px 16px; }
  .menubar-end { padding: 8px 16px; }
  .toolbar { overflow-x: auto; flex-wrap: nowrap; }
  .form-grid .span-2 { grid-column: span 1; }
  .page-head { align-items: flex-start; }
  .content { padding: 12px 10px 32px; }
  .card { padding: 12px; }
  .card-title { margin: -12px -12px 12px; }
  .tab-btn { flex: 1 1 auto; padding: 10px 8px; }
  .lines-wrap { overflow-x: auto; }
  .lines { min-width: 760px; }
  .lines td:first-child .input { min-width: 128px; }
  .btn { min-height: 42px; }
  .input, .select { min-height: 42px; }
}
@media (max-width: 480px) {
  body { font-size: 14.5px; }
  .stat .stat-value { font-size: 1.25rem; }
  .btn-row .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }