/* ===========================================================================
   Sistema de diseño — corporativo / formal
   =========================================================================== */
:root {
  --bg:        #eef1f5;
  --surface:   #ffffff;
  --ink:       #1b2430;
  --ink-soft:  #42505f;
  --muted:     #7b8794;
  --line:      #e3e8ee;
  --line-2:    #d4dbe3;

  --navy:      #15314f;   /* barra lateral / encabezados */
  --navy-2:    #1e3f63;
  --navy-3:    #2b557f;

  --accent:    #1f5fa6;   /* azul acero — acción */
  --accent-d:  #18497f;
  --accent-bg: #e8f0f9;

  --ok:   #1d7a45;  --ok-bg:   #e6f3eb;
  --warn: #9a6206;  --warn-bg: #f7eeda;
  --info: #1f5fa6;  --info-bg: #e8f0f9;
  --bad:  #a32020;  --bad-bg:  #f7e6e6;
  --slate:#475569;  --slate-bg:#eef1f5;

  --r:   6px;
  --r-sm: 5px;
  --serif: Georgia, "Times New Roman", "Cambria", serif;
  --shadow: 0 1px 2px rgba(21,49,79,.06);
  --shadow-lg: 0 16px 48px rgba(21,49,79,.22);
  --sidebar-w: 244px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--ink);
  font-size: 13.5px; line-height: 1.5; -webkit-font-smoothing: antialiased;
}

/* ===========================================================================
   Layout
   =========================================================================== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: var(--navy); color: #cdd9e6;
  padding: 22px 14px; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 4px 8px 22px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 16px; }
.brand-mark {
  width: 38px; height: 38px; flex-shrink: 0; display: grid; place-items: center;
  background: #fff; color: var(--navy); border-radius: 7px;
  font-family: var(--serif); font-size: 22px; font-weight: 700;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-family: var(--serif); font-size: 18px; color: #fff; letter-spacing: .02em; }
.brand-text span { font-size: 11px; color: #8da6c0; }

.nav { display: flex; flex-direction: column; gap: 2px; }
.tab {
  display: flex; align-items: center; gap: 11px; width: 100%; text-align: left;
  background: transparent; border: 0; padding: 10px 12px; border-radius: var(--r-sm);
  font-size: 13.5px; font-weight: 500; color: #b9c8d8; cursor: pointer;
  transition: background .12s, color .12s;
}
.tab:hover { background: rgba(255,255,255,.07); color: #fff; }
.tab.active { background: var(--accent); color: #fff; font-weight: 600; }
.nav-ic { font-size: 14px; width: 18px; text-align: center; opacity: .9; }
.side-foot { margin-top: auto; padding: 14px 10px 2px; font-size: 11px; color: #6f88a3; border-top: 1px solid rgba(255,255,255,.08); }

main { flex: 1; min-width: 0; padding: 30px 38px 72px; max-width: 1240px; }

/* ===========================================================================
   Encabezados
   =========================================================================== */
.row-between { display: flex; justify-content: space-between; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
h2.section { margin: 0; font-family: var(--serif); font-size: 25px; font-weight: 700; color: var(--navy); letter-spacing: .01em; }
.page-sub { margin: 3px 0 0; color: var(--muted); font-size: 12.5px; }
h3.block { font-family: var(--serif); font-size: 16px; color: var(--navy); margin: 0 0 14px; font-weight: 700; }

/* ===========================================================================
   KPIs
   =========================================================================== */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 24px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 15px 17px; box-shadow: var(--shadow); }
.kpi .label { color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.kpi .value { font-size: 22px; font-weight: 700; margin-top: 7px; color: var(--navy); font-variant-numeric: tabular-nums; }
.kpi.ok   .value { color: var(--ok); }
.kpi.bad  .value { color: var(--bad); }
.kpi.info .value { color: var(--accent); }
.kpi .sub { font-size: 11.5px; color: var(--muted); margin-top: 3px; }

/* ===========================================================================
   Tarjetas
   =========================================================================== */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--shadow); }
.section-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.section-split > * { min-width: 0; }
input[type=file] { max-width: 100%; }

/* ===========================================================================
   Tablas
   =========================================================================== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; white-space: nowrap; }
thead th { background: #f6f8fa; color: var(--ink-soft); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line-2); }
tbody td { border-bottom: 1px solid var(--line); color: var(--ink-soft); }
tbody tr:hover { background: #f7f9fb; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td b, td strong { color: var(--ink); font-weight: 600; }
.empty { text-align: center; color: var(--muted); padding: 42px 10px; }

/* ===========================================================================
   Badges
   =========================================================================== */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px 2px 7px; border-radius: 4px; font-size: 11.5px; font-weight: 600; line-height: 1.7; border: 1px solid transparent; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.Pendiente { background: var(--warn-bg); color: var(--warn); border-color: #ecdcb5; }
.badge.Parcial   { background: var(--info-bg); color: var(--info); border-color: #cfe0f1; }
.badge.Pagada    { background: var(--ok-bg);   color: var(--ok);   border-color: #c7e3d1; }
.badge.Vencida   { background: var(--bad-bg);  color: var(--bad);  border-color: #ecc9c9; }
.badge[class*="Nota"] { background: var(--slate-bg); color: var(--slate); border-color: var(--line-2); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; background: var(--slate-bg); color: var(--slate); border: 1px solid var(--line-2); }
.tag.compra { background: #f3eee6; color: #8a5a16; border-color: #e6d8c2; }
.tag.venta  { background: #e8f0f9; color: var(--accent-d); border-color: #cfe0f1; }

/* ===========================================================================
   Botones
   =========================================================================== */
.btn { border: 1px solid transparent; border-radius: var(--r-sm); padding: 8px 15px; font-size: 13px; font-weight: 600; cursor: pointer; background: var(--accent); color: #fff; transition: background .12s, border-color .12s; display: inline-flex; align-items: center; gap: 7px; text-decoration: none; }
.btn:hover { background: var(--accent-d); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: var(--surface); color: var(--ink-soft); border-color: var(--line-2); }
.btn.ghost:hover { background: #f3f6f9; color: var(--ink); }
.btn.dark { background: var(--navy); }
.btn.dark:hover { background: var(--navy-2); }
.btn.danger { background: var(--surface); color: var(--bad); border-color: #e6c4c4; }
.btn.danger:hover { background: var(--bad-bg); }
.btn.sm { padding: 5px 11px; font-size: 12px; }
.icon-btn { background: transparent; border: 0; cursor: pointer; font-size: 15px; color: var(--muted); padding: 4px; border-radius: 5px; }
.icon-btn:hover { color: var(--ink); background: #eef1f5; }
.actions { display: flex; gap: 7px; }
.linklike { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; font-weight: 600; }
.linklike:hover { text-decoration: underline; }

/* ===========================================================================
   Filtros / formularios
   =========================================================================== */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: var(--r-sm); overflow: hidden; }
.seg button { background: var(--surface); border: 0; padding: 7px 15px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); cursor: pointer; border-right: 1px solid var(--line-2); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--navy); color: #fff; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 5px; color: var(--ink-soft); }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: var(--r-sm); font-size: 13.5px; font-family: inherit; background: var(--surface); color: var(--ink); transition: border-color .12s, box-shadow .12s; }
.filters input, .filters select { width: auto; }
input::placeholder { color: #aab4c0; }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 6px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 500; color: var(--ink-soft); }
.check input { width: auto; }
.checks { display: flex; gap: 22px; margin-bottom: 14px; }

/* ===========================================================================
   Editor de líneas (documento)
   =========================================================================== */
.editor-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 4px; }
.editor-table th { background: #f6f8fa; font-size: 10.5px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); padding: 7px 8px; text-align: left; border-bottom: 1px solid var(--line-2); }
.editor-table td { padding: 5px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.editor-table input, .editor-table select { padding: 6px 8px; font-size: 13px; }
.editor-table .num input { text-align: right; }
.totales { margin-top: 16px; margin-left: auto; width: 300px; }
.totales .lin { display: flex; justify-content: space-between; padding: 5px 2px; font-size: 13.5px; color: var(--ink-soft); }
.totales .lin.big { border-top: 2px solid var(--navy); margin-top: 6px; padding-top: 10px; font-family: var(--serif); font-size: 18px; font-weight: 700; color: var(--navy); }
.totales .lin .v { font-variant-numeric: tabular-nums; }

/* ===========================================================================
   Gráficos / gestión
   =========================================================================== */
.chart { width: 100%; height: auto; display: block; }
.chart text.cl { font-size: 11px; fill: var(--muted); font-family: inherit; }
.legend { display: flex; gap: 16px; margin-bottom: 8px; font-size: 12px; color: var(--ink-soft); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.agbar { display: flex; height: 9px; border-radius: 5px; overflow: hidden; background: #eef1f5; margin: 2px 0 4px; }
.agbar > span { display: block; height: 100%; }

/* ===========================================================================
   Modal
   =========================================================================== */
.modal-overlay { position: fixed; inset: 0; background: rgba(13,29,48,.5); backdrop-filter: blur(2px); display: flex; align-items: flex-start; justify-content: center; padding: 42px 16px; z-index: 50; overflow-y: auto; }
.modal { background: var(--surface); border-radius: 8px; width: 100%; max-width: 600px; box-shadow: var(--shadow-lg); animation: pop .14s ease; }
@keyframes pop { from { transform: translateY(6px); opacity: 0; } }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; border-bottom: 1px solid var(--line); background: #f6f8fa; border-radius: 8px 8px 0 0; }
.modal-head h2 { margin: 0; font-family: var(--serif); font-size: 17px; color: var(--navy); }
#modal-body { padding: 22px; }
#modal-body .kpi { background: var(--bg); box-shadow: none; }

/* ===========================================================================
   Progreso / toast / utilidades
   =========================================================================== */
.progress { background: var(--line-2); border-radius: 999px; height: 5px; overflow: hidden; min-width: 84px; margin-top: 6px; }
.progress > span { display: block; height: 100%; background: var(--ok); }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--navy); color: #fff; padding: 11px 18px; border-radius: 7px; box-shadow: var(--shadow-lg); z-index: 100; font-size: 13px; font-weight: 500; max-width: 90%; }
.toast.bad { background: var(--bad); }
.toast.ok  { background: var(--ok); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.right { text-align: right; }
.dl-row { display: flex; gap: 22px; flex-wrap: wrap; font-size: 13px; }
.dl-row b { color: var(--ink); }

/* ===========================================================================
   Login
   =========================================================================== */
.login-wrap { position: fixed; inset: 0; background: linear-gradient(135deg, var(--navy), var(--navy-3)); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 20px; }
.login-card { background: #fff; border-radius: 12px; padding: 30px 28px; width: 100%; max-width: 370px; box-shadow: var(--shadow-lg); }
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.login-brand .brand-mark { width: 42px; height: 42px; font-size: 22px; }
.login-brand strong { display: block; font-family: var(--serif); font-size: 19px; color: var(--navy); }
.login-brand span { font-size: 12px; color: var(--muted); }
.login-error { background: var(--bad-bg); color: var(--bad); padding: 9px 12px; border-radius: 6px; font-size: 13px; margin-bottom: 12px; }

/* ===========================================================================
   Content wrapper + topbar
   =========================================================================== */
.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 24px; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.content main { flex: 1; min-width: 0; padding: 26px 30px 70px; max-width: 1280px; }
.search-trigger { display: inline-flex; align-items: center; gap: 12px; background: var(--bg); border: 1px solid var(--line-2); border-radius: 8px; padding: 8px 12px; color: var(--muted); cursor: pointer; font-size: 13px; min-width: 230px; justify-content: space-between; }
.search-trigger:hover { border-color: var(--accent); }
.search-trigger kbd { background: var(--surface); border: 1px solid var(--line-2); border-radius: 4px; padding: 1px 6px; font-size: 11px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.empresa-sel { width: auto; padding: 7px 10px; font-weight: 600; color: var(--navy); }
.user-chip { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.user-chip b { color: var(--ink); }
.user-chip .rol { font-size: 11px; background: var(--accent-bg); color: var(--accent-d); padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.sr-group { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 10px 4px 6px; font-weight: 600; }
.sr-item { display: flex; justify-content: space-between; gap: 10px; padding: 9px 10px; border-radius: 7px; cursor: pointer; }
.sr-item:hover { background: var(--accent-bg); }
.sr-item .r { color: var(--muted); font-size: 12px; }
.subtabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.subtabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 9px 14px; font-size: 13px; font-weight: 600; color: var(--ink-soft); cursor: pointer; }
.subtabs button.on { color: var(--accent-d); border-bottom-color: var(--accent); }
.alert-banner { background: var(--warn-bg); border: 1px solid #ecdcb5; color: var(--warn); border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 13px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.alert-banner b { color: #7a4e05; }
.alert-banner.bad { background: var(--bad-bg); border-color: #ecc9c9; color: var(--bad); }
.chk { display: inline-flex; align-items: center; gap: 6px; }
.chk input { width: auto; }

/* Lista con búsqueda (select mejorado) */
.ss-wrap { position: relative; }
.ss-native { display: none !important; }
.ss-input { cursor: text; }
.ss-list { position: absolute; top: 100%; left: 0; right: 0; margin-top: 3px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-sm); box-shadow: 0 8px 22px rgba(20, 40, 70, .16); max-height: 240px; overflow-y: auto; z-index: 70; }
.ss-opt { padding: 7px 11px; font-size: 13.5px; color: var(--ink); cursor: pointer; border-bottom: 1px solid var(--line); }
.ss-opt:last-child { border-bottom: 0; }
.ss-opt:hover { background: var(--slate-bg); color: var(--accent-d, var(--accent)); }
.ss-empty { padding: 9px 11px; font-size: 12.5px; color: var(--muted); }

/* Manual de usuario */
.man-wrap { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 18px; align-items: start; }
.man-nav { position: sticky; top: 68px; display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - 90px); overflow-y: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 8px; }
.man-idx { padding: 6px 9px; border-radius: var(--r-sm); font-size: 12.5px; color: var(--ink-soft); cursor: pointer; text-decoration: none; }
.man-idx:hover { background: var(--slate-bg); color: var(--accent-d, var(--accent)); }
.man-sec { scroll-margin-top: 68px; }
.man-sec h4 { margin: 14px 0 4px; font-size: 13.5px; color: var(--accent-d, var(--accent)); }
.man-sec p, .man-sec li { font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }
.man-sec code { background: var(--slate-bg); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
@media (max-width: 900px) { .man-wrap { grid-template-columns: 1fr; } .man-nav { position: static; max-height: none; flex-direction: row; flex-wrap: wrap; } }

@media print {
  .sidebar, .topbar, .form-actions, .no-print, #search-trigger { display: none !important; }
  .content main { padding: 0; max-width: none; }
  body { background: #fff; }
  .card { box-shadow: none; border: 0; }
}

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; gap: 8px; padding: 10px 12px; overflow-x: auto; }
  .brand { padding: 0 10px 0 4px; border: 0; margin: 0; }
  .brand-text span { display: none; }
  .nav { flex-direction: row; gap: 4px; }
  .nav-ic, .side-foot { display: none; }
  .content main { padding: 20px 16px 56px; }
  .section-split, .grid-2, .grid-3 { grid-template-columns: 1fr; }
}