/* ── Folio · identidad "libro mayor" ─────────────────────────────
   Papel hueso, tinta verde contable, cifras monoespaciadas con
   puntos guía y sellos de estatus tipo trámite.                  */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --paper: #F4F2EA;
  --paper-2: #FCFBF6;
  --ink: #1F241E;
  --ink-2: #565B52;
  --line: #DDDACB;
  --verde: #1B6B50;
  --verde-osc: #0F4634;
  --verde-tinta: #14261D;
  --ambar: #A9731B;
  --rojo: #A63D2F;
  --guinda: #7C2D3E;
  --radius: 10px;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --sans: 'Archivo', system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; }
html { font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.55;
}
a { color: var(--verde); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--verde); outline-offset: 2px; }

/* Layout */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side {
  background: var(--verde-tinta);
  color: #E9EDE4;
  padding: 28px 20px;
  display: flex; flex-direction: column; gap: 4px;
  position: sticky; top: 0; height: 100vh;
}
.brand { font-weight: 700; font-size: 22px; letter-spacing: .02em; color: #F4F2EA; margin-bottom: 2px; }
.brand small { display: block; font-weight: 400; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: #9DB4A5; }
.side nav { margin-top: 26px; display: flex; flex-direction: column; gap: 2px; }
.side nav a {
  color: #C9D6CB; padding: 9px 12px; border-radius: 8px; font-size: 14.5px;
  display: flex; justify-content: space-between; align-items: center;
}
.side nav a:hover { background: rgba(255,255,255,.07); text-decoration: none; }
.side nav a.on { background: #F4F2EA; color: var(--verde-tinta); font-weight: 600; }
.side .rfc { margin-top: auto; font-family: var(--mono); font-size: 11.5px; color: #8AA492; border-top: 1px solid rgba(255,255,255,.12); padding-top: 14px; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ambar); display: inline-block; }

.main { padding: 34px 44px 60px; max-width: 1120px; }
.page-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
h1 { font-size: 27px; font-weight: 700; letter-spacing: -.01em; }
h1 small { display: block; font-size: 13px; font-weight: 400; color: var(--ink-2); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 2px; }
h2 { font-size: 17px; font-weight: 600; margin-bottom: 12px; }
.sub { color: var(--ink-2); font-size: 14px; }

/* Tarjetas */
.card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.grid { display: grid; gap: 18px; }
.grid.c2 { grid-template-columns: 1fr 1fr; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }

/* Cifras estilo libro mayor */
.fig { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.kpi .lbl { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.kpi .val { font-family: var(--mono); font-size: 26px; font-weight: 600; margin-top: 6px; }
.kpi .val.ok { color: var(--verde-osc); }
.kpi .val.warn { color: var(--ambar); }
.kpi .val.bad { color: var(--rojo); }
.kpi .note { font-size: 12.5px; color: var(--ink-2); margin-top: 4px; }

/* Renglones con puntos guía (papel de trabajo) */
.ledger { list-style: none; }
.ledger li { display: flex; align-items: baseline; gap: 8px; padding: 7px 0; font-size: 14.5px; }
.ledger li + li { border-top: 1px dashed var(--line); }
.ledger .dots { flex: 1; border-bottom: 2px dotted var(--line); transform: translateY(-4px); }
.ledger .amt { font-family: var(--mono); font-weight: 500; }
.ledger li.total { border-top: 2px solid var(--ink); font-weight: 600; }
.ledger li.total .amt { font-size: 17px; color: var(--verde-osc); }
.ledger .neg { color: var(--rojo); }

/* Sellos de estatus (firma visual del sistema) */
.stamp {
  display: inline-block; font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; padding: 3px 9px;
  border: 1.6px solid currentColor; border-radius: 4px; transform: rotate(-1.5deg);
}
.stamp.ok { color: var(--verde-osc); }
.stamp.warn { color: var(--ambar); }
.stamp.bad { color: var(--rojo); }
.stamp.info { color: var(--guinda); }

/* Barra de límite anual */
.meter { height: 12px; background: #E7E4D6; border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.meter > span { display: block; height: 100%; background: var(--verde); }
.meter.warn > span { background: var(--ambar); }
.meter.bad > span { background: var(--rojo); }

/* Tablas */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); padding: 8px 10px; border-bottom: 1.5px solid var(--ink); font-weight: 600; }
td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
tr:hover td { background: #F7F5EC; }

/* Formularios y botones */
input, select, textarea {
  font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--verde); outline: none; }
label { font-size: 12.5px; font-weight: 600; color: var(--ink-2); display: block; margin-bottom: 5px; }
.field { margin-bottom: 14px; }
.btn {
  display: inline-block; font: 600 14px var(--sans); padding: 10px 18px; border-radius: 8px;
  border: 1px solid var(--verde-osc); background: var(--verde); color: #fff; cursor: pointer;
}
.btn:hover { background: var(--verde-osc); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--verde-osc); border-color: var(--line); }
.btn.ghost:hover { background: #EDEBE0; }
.btn.sm { padding: 5px 11px; font-size: 12.5px; }
.btn.danger { background: transparent; color: var(--rojo); border-color: var(--rojo); }

.flash { background: #EAF3EC; border: 1px solid #BFD8C4; color: var(--verde-osc); padding: 11px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 18px; }
.warnbox { background: #FBF3E2; border: 1px solid #E4CE9C; color: #6E4B10; padding: 13px 16px; border-radius: 8px; font-size: 14px; }
.dangerbox { background: #F9ECE9; border: 1px solid #E0B4AC; color: var(--rojo); padding: 13px 16px; border-radius: 8px; font-size: 14px; }

.mt { margin-top: 18px; } .mt-lg { margin-top: 28px; } .mb { margin-bottom: 18px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.right { text-align: right; }
hr.rule { border: 0; border-top: 1px solid var(--line); margin: 22px 0; }

/* Navegador de periodo y filas de fijos */
.seg { gap: 8px; }
.seg-label { font-family: var(--mono); font-weight: 600; font-size: 15px; min-width: 130px; text-align: center; }
.fixed-row { padding: 9px 0; border-bottom: 1px dashed var(--line); flex-wrap: nowrap; }
.fixed-row:last-of-type { border-bottom: 0; }
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tablewrap table { min-width: 560px; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--verde-tinta); }
.login-card { width: min(400px, 92vw); background: var(--paper-2); border-radius: 14px; padding: 38px 36px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  /* Barra superior fija con navegación deslizable */
  .side {
    position: sticky; top: 0; z-index: 50; height: auto;
    padding: 12px 14px; gap: 8px;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(20, 38, 29, .25);
  }
  .brand { font-size: 17px; }
  .brand small { display: inline; margin-left: 8px; font-size: 10px; }
  .side nav {
    margin-top: 0; flex-direction: row; gap: 6px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; padding-bottom: 2px;
  }
  .side nav::-webkit-scrollbar { display: none; }
  .side nav a { white-space: nowrap; padding: 8px 13px; font-size: 13.5px; flex: none; }
  .side .rfc { display: none; }
  .main { padding: 20px 16px 60px; }
  .page-head { margin-bottom: 18px; }
  h1 { font-size: 22px; }
  .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
  .grid.c4 { grid-template-columns: 1fr 1fr; }
  .kpi .val { font-size: 21px; }
  .main > .card, .main table { font-size: 13.5px; }
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tablewrap table { display: table; }
  /* Targets táctiles cómodos */
  .btn, .btn.sm, input, select, textarea { min-height: 42px; }
  .btn.sm { padding: 8px 13px; }
}
@media (max-width: 420px) {
  .grid.c4 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }