/* Sistema de Cuentas — Secretaría de Transporte
   Tema claro único (sin dark mode). */

:root {
  --tinta: #14284B;
  --papel: #F5F7FA;
  --blanco: #FFFFFF;
  --accion: #1D5FBF;
  --accion-oscuro: #164a99;
  --borde: #DEE4EC;
  --texto: #232B38;
  --texto-suave: #5C6675;
  --credito: #0E7A3D;
  --debito: #B42318;
  --alerta: #B54708;
  --alerta-bg: #FDF1E7;

  --sidebar-ancho: 232px;
  --topbar-alto: 56px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  color: var(--texto);
  background: var(--papel);
  line-height: 1.5;
}

.mono, .num, td.num, td.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3 {
  font-weight: 600;
  color: var(--tinta);
  margin: 0 0 16px;
}

h1 { font-size: 20px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }

a { color: var(--accion); }

p { margin: 0 0 12px; }

small { color: var(--texto-suave); }

hr { border: none; border-top: 1px solid var(--borde); margin: 20px 0; }

/* ---------- Layout ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-ancho);
  flex: 0 0 var(--sidebar-ancho);
  background: var(--tinta);
  color: #C7D2E4;
  min-height: 100vh;
  padding: 20px 0;
}

.marca {
  padding: 0 20px 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.marca-nombre {
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
}

.marca-sub {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #8FA3C4;
  margin-top: 2px;
}

.nav-seccion {
  margin-top: 16px;
}

.nav-titulo {
  padding: 0 20px 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #6E85AC;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 14px;
  color: #C7D2E4;
  text-decoration: none;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  color: #FFFFFF;
  background: rgba(255,255,255,.05);
}

.nav-item.activo {
  color: #FFFFFF;
  background: rgba(255,255,255,.08);
  border-left-color: var(--accion);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

.col-contenido {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-alto);
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.topbar h1 {
  margin: 0;
  font-size: 17px;
}

.topbar-usuario {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--texto-suave);
}

.topbar-usuario form { margin: 0; }

.link-salir {
  background: none;
  border: none;
  padding: 0;
  color: var(--texto-suave);
  text-decoration: none;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.link-salir:hover { color: var(--debito); background: none; }

main.contenido {
  padding: 24px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

/* ---------- Mensajes ---------- */

.mensajes { padding: 12px 24px 0; }

.mensaje {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-left: 4px solid var(--accion);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 14px;
}
.mensaje.success { border-left-color: var(--credito); }
.mensaje.warning { border-left-color: var(--alerta); background: var(--alerta-bg); }
.mensaje.error { border-left-color: var(--debito); }

/* ---------- Cards ---------- */

.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.kpi {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 18px 20px;
}

.kpi-etiqueta {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--texto-suave);
  margin-bottom: 6px;
}

.resumen-dia {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.resumen-dia .kpi-valor { font-size: 18px; }

.kpi-valor {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 600;
  color: var(--tinta);
}

/* ---------- Tablas ---------- */

.overflow-auto { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--blanco);
}

thead th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--texto-suave);
  border-bottom: 2px solid var(--borde);
  padding: 9px 12px;
  font-weight: 600;
}

tbody td, tfoot td {
  border-bottom: 1px solid var(--borde);
  padding: 9px 12px;
  font-size: 14px;
}

tbody tr:hover { background: #F0F4F9; }

td.debito, td.credito, td.saldo, td.numero-cuenta,
.col-debito, .col-credito, .col-saldo, .col-numero {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

td.debito, .col-debito { color: var(--debito); }
td.credito, .col-credito { color: var(--credito); }
td.saldo, .col-saldo { font-weight: 600; }

tr.anulado {
  text-decoration: line-through;
  opacity: .55;
}

/* ---------- Badges ---------- */

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
}

.badge-atrasada {
  color: var(--alerta);
  background: var(--alerta-bg);
}

/* ---------- Botones ---------- */

.btn, button, input[type="submit"] {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accion);
  color: #FFFFFF;
  border: 1px solid var(--accion);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.3;
}

.btn:hover, button:hover, input[type="submit"]:hover {
  background: var(--accion-oscuro);
  border-color: var(--accion-oscuro);
  color: #FFFFFF;
}

.btn:disabled, button:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.btn-sec, button.btn-sec, .secondary {
  background: var(--blanco);
  color: var(--texto);
  border: 1px solid var(--borde);
}

.btn-sec:hover, button.btn-sec:hover, .secondary:hover {
  background: #F0F4F9;
  color: var(--texto);
  border-color: var(--borde);
}

.btn-peligro, .contrast {
  background: var(--blanco);
  color: var(--debito);
  border: 1px solid var(--borde);
}
.btn-peligro:hover, .contrast:hover {
  background: var(--alerta-bg);
  color: var(--debito);
  border-color: var(--debito);
}

.btn-sm, .btn-sm button {
  padding: 5px 10px;
  font-size: 12.5px;
}

.acciones { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Formularios ---------- */

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--texto-suave);
  margin-bottom: 4px;
}

input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--texto);
  border: 1px solid var(--borde);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--blanco);
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(29,95,191,.35);
  outline-offset: 0;
  border-color: var(--accion);
}

.error, .campo-error { color: var(--debito); font-size: 13px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
}

.form-grid label { margin-bottom: 4px; }

.form-fila { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }

/* ---------- Login ---------- */

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--papel);
  padding: 20px;
}

.login-caja { width: 100%; max-width: 380px; }

.login-marca {
  text-align: center;
  margin-bottom: 24px;
}

.login-marca .marca-nombre { color: var(--tinta); }
.login-marca .marca-sub { color: var(--texto-suave); }

.login-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 28px;
}

.login-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.login-card label { margin-top: 14px; }
.login-card label:first-child { margin-top: 0; }

/* ---------- Dropzone ---------- */

.dropzone {
  border: 2px dashed var(--borde);
  border-radius: 8px;
  padding: 36px;
  text-align: center;
  cursor: pointer;
  color: var(--texto-suave);
  transition: border-color .15s, background-color .15s;
}

.dropzone:hover { border-color: #B7C4D6; }

.dropzone.dropzone-activa {
  border-color: var(--accion);
  background: rgba(29,95,191,.05);
}

.dropzone svg {
  width: 32px;
  height: 32px;
  stroke: var(--texto-suave);
  fill: none;
  stroke-width: 1.6;
  margin-bottom: 10px;
}

.dropzone-texto { font-size: 14px; color: var(--texto); }
.dropzone-hint { font-size: 12px; margin-top: 4px; }

.dropzone-chip {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--papel);
  border: 1px solid var(--borde);
  border-radius: 6px;
  font-size: 13px;
  text-align: left;
}

.dropzone-chip.visible { display: flex; }

/* ---------- Mobile ---------- */

@media (max-width: 900px) {
  .app-shell { flex-direction: column; }

  .sidebar {
    width: 100%;
    flex: none;
    min-height: auto;
    padding: 12px 16px;
  }

  .marca { border-bottom: none; padding: 0 0 10px; margin-bottom: 6px; }

  .nav-seccion { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 2px; }
  .nav-titulo { display: none; }

  .nav-item {
    padding: 6px 10px;
    border-left: none;
    border-radius: 6px;
  }
  .nav-item.activo { border-left: none; }

  main.contenido { padding: 16px; }
  .kpis, .resumen-dia { grid-template-columns: 1fr 1fr; }
}