:root {
  --marca: #b4451f;
  --marca-oscura: #8d3416;
  --tinta: #172433;
  --tinta-suave: #43566a;
  --tenue: #6d7e8f;
  --linea: #dfe6ee;
  --fondo: #f5f2ec;
  --blanco: #ffffff;
  --ok: #177245;
  --alerta: #9a5b09;
  --no: #a12b2b;
  --radio: 18px;
  --radio-chico: 12px;
  --sombra: 0 10px 30px rgba(23, 36, 51, .07);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--marca); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 8px; line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(24px, 3.4vw, 32px); }
h2 { font-size: 19px; }
h3 { font-size: 15px; margin-top: 18px; }
p { margin: 0 0 10px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
[hidden] { display: none !important; }

/* ------------------------------------------------------------------ barra */

.barra {
  background: linear-gradient(115deg, #1d2b3a, #26394d);
  color: #fff;
  box-shadow: 0 2px 18px rgba(15, 25, 35, .18);
}
.barra-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.marca { display: flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; }
.marca:hover { text-decoration: none; }
.marca-punto {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #e4784d, var(--marca));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}
.marca strong { display: block; font-size: 15px; letter-spacing: .01em; }
.marca small { display: block; font-size: 11.5px; opacity: .72; letter-spacing: .05em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav-enlace {
  color: #d7e1eb;
  padding: 8px 12px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
}
.nav-enlace:hover { background: rgba(255,255,255,.1); text-decoration: none; color: #fff; }
.nav-enlace.activo { background: rgba(255,255,255,.16); color: #fff; }
.nav-salir { margin: 0 0 0 4px; }
.usuario { color: #9fb2c4; font-size: 13px; margin-left: 6px; }

/* --------------------------------------------------------------- contenido */

.contenido { max-width: 1180px; margin: 0 auto; padding: 26px 18px 48px; }
.pie { text-align: center; color: var(--tenue); font-size: 12.5px; padding: 0 18px 28px; }
.encabezado {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.encabezado h1 { margin: 2px 0 4px; }
.sobrelinea {
  margin: 0;
  color: var(--marca);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.ayuda { color: var(--tenue); font-size: 13px; }
.vacio { color: var(--tenue); padding: 18px 6px; text-align: center; font-size: 14px; }

.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 20px;
  margin-bottom: 16px;
}
.tarjeta--angosta { max-width: 460px; margin: 40px auto; }
.tarjeta--cifra { display: grid; gap: 2px; padding: 16px 18px; }
.tarjeta--cifra span { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--tenue); }
.tarjeta--cifra strong { font-size: 32px; line-height: 1.05; color: var(--tinta); }
.tarjeta--cifra small { color: var(--tenue); font-size: 12.5px; }
.tarjeta-cabeza { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.tarjeta-cabeza h2 { margin: 0; }
.rejilla-cifras { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.rejilla-doble { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel-entrada { padding-top: 16px; }
.enlace { font-weight: 650; font-size: 14px; }

/* ---------------------------------------------------------------- formularios */

.formulario-panel { display: grid; gap: 13px; }
.formulario-panel label { display: grid; gap: 6px; font-size: 13px; font-weight: 650; color: var(--tinta-suave); }
.formulario-fila { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.formulario-fila label { flex: 1 1 220px; }
.rejilla-campos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="url"], input[type="search"], input[type="color"], select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1.5px solid var(--linea);
  border-radius: 10px;
  background: #fff;
  color: var(--tinta);
  font: inherit;
  font-size: 14.5px;
}
input[type="color"] { padding: 5px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--marca);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--marca) 14%, transparent);
}
.casilla { display: flex !important; align-items: center; gap: 9px; font-weight: 500 !important; color: var(--tinta) !important; }
.casilla input { width: 18px; height: 18px; accent-color: var(--marca); }
.acciones { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 8px; }

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 0;
  border-radius: 11px;
  background: var(--marca);
  color: #fff;
  font: inherit;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}
.boton:hover { background: var(--marca-oscura); text-decoration: none; }
.boton-secundario { background: #eef2f7; color: var(--tinta); border: 1px solid var(--linea); }
.boton-secundario:hover { background: #e2e9f1; }
.boton-peligro { background: #fbe9e9; color: var(--no); border: 1px solid #f0c9c9; }
.boton-peligro:hover { background: #f5d7d7; }
.boton-texto { border: 0; background: transparent; color: inherit; font: inherit; font-size: 13.5px; font-weight: 650; cursor: pointer; padding: 6px 4px; }
.nav .boton-texto { color: #d7e1eb; }
.nav .boton-texto:hover { color: #fff; }

/* ------------------------------------------------------------------ avisos */

.aviso { padding: 12px 14px; border-radius: var(--radio-chico); margin: 0 0 16px; font-size: 14px; border: 1px solid transparent; }
.aviso-ok { background: #edf8f1; border-color: #c6e6d2; color: #155f3a; }
.aviso-error { background: #fdf0f0; border-color: #f0c9c9; color: #8f2020; }
.aviso-info { background: #eef4fb; border-color: #cadcf0; color: #234b74; }
.aviso-atencion { background: #fdf6e7; border-color: #efdcae; color: #7a5008; }

/* ------------------------------------------------------------------ tablas */

.tabla-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
thead th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--tenue);
  padding: 9px 10px;
  border-bottom: 1px solid var(--linea);
  white-space: nowrap;
}
tbody td { padding: 11px 10px; border-bottom: 1px solid #eef2f6; font-size: 14px; vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fbfcfe; }
.folio { display: block; color: var(--tenue); font-size: 11.5px; margin-top: 1px; }
.numero { font-variant-numeric: tabular-nums; }

.etiqueta-estado {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: .02em;
  white-space: nowrap;
}
.estado-pendiente { background: #fdf3e3; color: #87550b; }
.estado-vista { background: #eaf2fb; color: #24517d; }
.estado-respondida { background: #e9f7ef; color: #14603a; }
.estado-cancelada { background: #f1f2f4; color: #5b6673; }
.estado-expirada { background: #fbe9e9; color: #8f2020; }

/* ------------------------------------------------------------- clave y datos */

.clave-nueva { border-color: #e4c9b9; }
.clave-caja {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 11px 12px;
  border: 1px dashed #c9d4df;
  border-radius: var(--radio-chico);
  background: #f8fafc;
  margin-bottom: 10px;
}
.clave-caja code { flex: 1 1 260px; word-break: break-all; color: #24384b; }
.codigo {
  background: #1c2b3a;
  color: #dbe6f0;
  border-radius: var(--radio-chico);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.55;
}
.datos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.dato { display: grid; gap: 2px; padding: 10px 12px; background: #f8fafc; border-radius: var(--radio-chico); border: 1px solid #eef2f6; }
.dato span { color: var(--tenue); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; }
.dato strong { font-size: 14px; font-weight: 650; overflow-wrap: anywhere; }
.dato--ancho { grid-column: 1 / -1; }
.lista-adjuntos { margin: 6px 0 0; padding-left: 20px; }
.lista-adjuntos li { margin-bottom: 5px; }
.linea-tiempo { list-style: none; margin: 0; padding: 0; }
.linea-tiempo li { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 9px 0; border-bottom: 1px solid #eef2f6; }
.linea-tiempo li:last-child { border-bottom: 0; }
.linea-tiempo strong { font-size: 13.5px; }
.linea-tiempo span { color: var(--tinta-suave); font-size: 13px; }
.linea-tiempo small { color: var(--tenue); font-size: 12px; grid-column: 1 / -1; }

@media (max-width: 860px) {
  .rejilla-cifras { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rejilla-doble, .rejilla-campos { grid-template-columns: 1fr; }
  .datos { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .contenido { padding: 18px 12px 38px; }
  .tarjeta { padding: 16px; }
  .barra-inner { padding: 10px 12px; }
  .nav { width: 100%; justify-content: space-between; }
  .usuario { display: none; }
  .formulario-fila { display: grid; }
  .rejilla-cifras { grid-template-columns: 1fr 1fr; }
}