/* ============================================================
   Conciliador — sistema visual "libro de cuentas digital".
   Papel hueso cálido + tinta grafito + verde ledger ("cuentas
   en orden"). Números en mono tabular. Firma: el cuadre (= + ✓).
   ============================================================ */
:root {
  /* Papel y superficies (mismo tono, solo cambia la luz) */
  --paper: #f2efe7;          /* lienzo / canvas */
  --paper-2: #ebe8de;        /* sidebar (papel un punto más hondo) */
  --surface: #fcfbf7;        /* tarjetas (papel claro) */
  --surface-inset: #efece3;  /* inputs (inset, recibe contenido) */
  --surface-raised: #ffffff; /* dropdowns / login */

  /* Tinta (4 niveles de jerarquía) */
  --ink: #283029;            /* texto principal — grafito cálido */
  --ink-soft: #5c645c;       /* secundario */
  --ink-faint: #899088;      /* metadatos */
  --ink-ghost: #aab0a8;      /* placeholder / deshabilitado */

  /* Reglas (bordes, de menor a mayor énfasis) */
  --rule-soft: rgba(56, 62, 52, .07);
  --rule: rgba(56, 62, 52, .13);
  --rule-strong: rgba(56, 62, 52, .22);

  /* Marca — verde ledger ("cuentas en orden") */
  --ledger: #1f5c45;
  --ledger-deep: #174535;
  --ledger-bright: #2c7a5d;
  --ledger-tint: #e4efe8;

  /* Semánticos: cuadra (verde) · descuadre (rojo) · parcial (ámbar) */
  --cuadra: #1f7a52;      --cuadra-tint: #e2f0e8;
  --descuadre: #b23a2e;   --descuadre-tint: #f7e7e3;
  --parcial: #a4711a;     --parcial-tint: #f5ecd8;

  /* Radios */
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px;
  /* Sombras suaves (estrategia única: sombra sutil + borde cálido) */
  --shadow-sm: 0 1px 2px rgba(40,48,41,.04), 0 1px 3px rgba(40,48,41,.06);
  --shadow-md: 0 6px 16px rgba(40,48,41,.10), 0 2px 6px rgba(40,48,41,.06);

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-family: var(--font-sans);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--paper); color: var(--ink);
  font-size: 15px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: var(--ledger); text-decoration: none; }
a:hover { color: var(--ledger-deep); }

/* ---------- Layout con sidebar (mismo papel, separado por regla) ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 248px; flex-shrink: 0;
  background: var(--paper-2); border-right: 1px solid var(--rule);
  display: flex; flex-direction: column; padding: 20px 14px;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 4px 8px 24px; }
.brand svg, .brand-mark { width: 34px; height: 34px; flex-shrink: 0; display: block; }
.brand-mark { font-size: 26px; }
.brand-text {
  font-weight: 650; font-size: 18px; color: var(--ink);
  letter-spacing: -.2px;
}
.brand-text b { color: var(--ledger); font-weight: 650; }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-link {
  position: relative; color: var(--ink-soft);
  padding: 9px 12px; border-radius: var(--r-sm);
  font-weight: 500; font-size: 14.5px;
  transition: background .14s ease, color .14s ease;
}
.nav-link:hover { background: rgba(56,62,52,.05); color: var(--ink); }
.nav-link.active { background: var(--ledger-tint); color: var(--ledger-deep); font-weight: 600; }
.nav-link.active::before {
  content: ""; position: absolute; left: -14px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 0 3px 3px 0; background: var(--ledger);
}
.sidebar-footer { border-top: 1px solid var(--rule); padding-top: 14px; }
.user-name { color: var(--ink); font-weight: 600; font-size: 14px; }
.user-rol {
  color: var(--ink-faint); font-size: 11.5px; text-transform: uppercase;
  letter-spacing: .5px; margin-bottom: 12px;
}

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 34px 0; gap: 16px;
}
.topbar h1 { font-size: 23px; margin: 0; font-weight: 680; letter-spacing: -.4px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.page { padding: 22px 34px 48px; }

/* ---------- Tarjetas y rejilla ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 26px; }
.card {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md);
  padding: 18px 20px; box-shadow: var(--shadow-sm);
}
.kpi-label { color: var(--ink-faint); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .6px; }
.kpi-value {
  font-family: var(--font-mono); font-feature-settings: "tnum" 1;
  font-size: 27px; font-weight: 600; margin-top: 8px; letter-spacing: -.5px; color: var(--ink);
}
.kpi-value.neg { color: var(--descuadre); }
.kpi-value.pos { color: var(--cuadra); }

.panel {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md);
  box-shadow: var(--shadow-sm); margin-bottom: 24px; overflow: hidden;
}
.panel-head {
  padding: 15px 20px; border-bottom: 1px solid var(--rule-soft);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: linear-gradient(var(--surface), #f7f5ee);
}
.panel-head h2 { font-size: 15.5px; margin: 0; font-weight: 650; letter-spacing: -.2px; }
.panel-body { padding: 20px; }
.muted { color: var(--ink-faint); }
.subtitle { color: var(--ink-soft); font-size: 14px; margin: -6px 0 20px; max-width: 70ch; }

/* ---------- Tablas (libro de cuentas) ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--rule-soft); }
th {
  color: var(--ink-faint); font-weight: 600; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: .5px;
  background: #f4f2ea;
}
tbody tr { transition: background .12s ease; }
tbody tr:hover { background: rgba(31,92,69,.045); }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: var(--font-mono); font-feature-settings: "tnum" 1; }
td.num { color: var(--ink); }
td.num.neg { color: var(--descuadre); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--r-sm); padding: 9px 16px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  background: var(--ledger); color: #fcfbf7;
  transition: background .14s ease, box-shadow .14s ease, transform .04s ease;
}
.btn:hover { background: var(--ledger-deep); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--ledger-bright); outline-offset: 2px; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--rule-strong); }
.btn-secondary:hover { background: var(--surface-inset); }
.btn-ghost { background: transparent; color: var(--ink-soft); border-color: var(--rule); }
.btn-ghost:hover { background: rgba(56,62,52,.06); color: var(--ink); }
.btn-danger { background: var(--descuadre); }
.btn-danger:hover { background: #8f2c22; }

/* ---------- Formularios ---------- */
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; color: var(--ink-soft); }
input, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--rule-strong);
  border-radius: var(--r-sm); font-size: 14px; font-family: inherit;
  background: var(--surface-inset); color: var(--ink);
  transition: border-color .14s ease, box-shadow .14s ease;
}
input::placeholder { color: var(--ink-ghost); }
input:focus, select:focus {
  outline: none; border-color: var(--ledger);
  box-shadow: 0 0 0 3px var(--ledger-tint); background: var(--surface-raised);
}
.field { margin-bottom: 16px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 160px; }
.form-actions { margin-top: 8px; }
.hint { color: var(--ink-faint); font-size: 12.5px; margin-top: 5px; }
code {
  font-family: var(--font-mono); font-size: .88em;
  background: var(--surface-inset); border: 1px solid var(--rule-soft);
  padding: 1px 6px; border-radius: 5px; color: var(--ledger-deep);
}

/* ---------- Avisos ---------- */
.alert { margin: 18px 34px 0; padding: 12px 16px; border-radius: var(--r-sm); font-size: 14px; border: 1px solid transparent; }
.alert-ok { background: var(--cuadra-tint); color: #145c3c; border-color: rgba(31,122,82,.2); }
.alert-error { background: var(--descuadre-tint); color: #8f2c22; border-color: rgba(178,58,46,.2); }
.alert-warn { background: var(--parcial-tint); color: #7e5712; border-color: rgba(164,113,26,.22); }

/* ---------- Badges (sello del libro) ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  letter-spacing: .2px; border: 1px solid transparent;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .85; }
.badge-ok { background: var(--cuadra-tint); color: #176442; border-color: rgba(31,122,82,.18); }
.badge-warn { background: var(--parcial-tint); color: #7e5712; border-color: rgba(164,113,26,.2); }
.badge-error { background: var(--descuadre-tint); color: #8f2c22; border-color: rgba(178,58,46,.18); }
.badge-muted { background: rgba(56,62,52,.07); color: var(--ink-faint); }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(31,92,69,.10), transparent 60%),
    var(--paper);
}
.login-card {
  background: var(--surface-raised); border: 1px solid var(--rule);
  border-radius: var(--r-lg); padding: 38px 36px; width: 372px;
  box-shadow: var(--shadow-md);
}
.login-card .brand { justify-content: center; padding: 0 0 8px; }
.login-card .login-sub { text-align: center; color: var(--ink-faint); font-size: 13.5px; margin: 0 0 22px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 6px; }

.empty { text-align: center; color: var(--ink-faint); padding: 44px 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 10px 12px; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--rule); }
  .nav { flex-direction: row; }
  .nav-link.active::before { display: none; }
  .sidebar-footer, .brand { border: 0; padding: 0 8px; }
  .brand { padding-bottom: 0; }
  .topbar, .page, .alert { padding-left: 16px; padding-right: 16px; }
}