:root {
  --fondo: #1e1858;
  --fondo-medio: #2a2470;
  --acento: #5750ad;
  --acento-claro: #7773eb;
  --blanco: #fff;
  --texto-suave: #c3c0e8;
  --texto-tenue: #8f8cc4;
  --borde: #4a44b8;
  --error: #ff6b6b;
  --radio-md: 0.5rem;
  --radio-lg: 0.75rem;
  --fuente: 'DM Sans', sans-serif;
  --fuente-titulo: 'Syne', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--fuente);
  background: #1e1858;
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  cursor: pointer;
}

.encabezado {
  background: rgba(30, 24, 88, 0.85);
  border-bottom: 1px solid var(--borde);
}

.encabezado-interior {
  max-width: 1280px;
  margin: auto;
  padding: 1rem 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.marca {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 45px;
  height: 35px;
}

.marca-nombre {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 20px;
}

.nav-encabezado {
  display: flex;
  gap: 20px;
}

.nav-encabezado a {
  font-size: 13px;
  color: var(--texto-suave);
}

.contenido {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 24px;
}

.envoltorio {
  width: 100%;
  max-width: 560px;
}

.tarjeta-envuelta {
  border-radius: var(--radio-lg);
  padding: 1px;
  background: var(--borde);
}

.tarjeta {
  background: rgba(30, 24, 88, 0.95);
  border-radius: var(--radio-lg);
  overflow: hidden;
}

.tarjeta-encabezado {
  background: linear-gradient(135deg, var(--acento), var(--fondo-medio));
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.icono-tarjeta-encabezado {
  background: rgba(255, 255, 255, 0.15);
  padding: 8px;
  border-radius: 8px;
}

.tarjeta-cuerpo {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.pasos {
  display: flex;
  align-items: center;
  justify-content: center;
}

.paso {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.paso-circulo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--borde);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 12px;
}

.paso.activo .paso-circulo {
  background: linear-gradient(135deg, var(--acento), var(--acento-claro));
  border-color: var(--acento-claro);
}

.conector {
  flex: 1;
  height: 2px;
  background: var(--borde);
  margin: 0 5px 18px;
}

.panel-paso {
  display: none;
  flex-direction: column;
  gap: 16px;
}

.panel-paso.visible {
  display: flex;
}

.fila-doble {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media(max-width:480px) {
  .fila-doble {
    grid-template-columns: 1fr;
  }
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.etiqueta-campo {
  font-size: 12px;
  color: var(--texto-suave);
}

.caja-entrada {
  position: relative;
}

.icono-entrada {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: var(--texto-tenue);
  font-size: 20px;
}

.entrada {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: rgba(30, 24, 88, 0.6);
  color: #fff;
  outline: none;
  font-family: var(--fuente);
  font-size: 14px;
}

.entrada:focus {
  border-color: var(--acento-claro);
}

.entrada-error {
  border-color: var(--error) !important;
}

.msg-error {
  display: none;
  color: var(--error);
  font-size: 11px;
}

.msg-error.visible {
  display: block;
}

.acciones {
  display: flex;
  gap: 16px;
}

.boton-principal {
  flex: 1;
  background: linear-gradient(135deg, var(--acento), var(--acento-claro));
  color: #fff;
  padding: 13px;
  border-radius: 8px;
  font-weight: 700;
  font-family: var(--fuente);
  font-size: 14px;
}

.boton-secundario {
  padding: 13px 20px;
  border: 1px solid var(--borde);
  border-radius: 8px;
  color: var(--texto-suave);
  background: transparent;
  font-family: var(--fuente);
  font-size: 14px;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.rol-opcion {
  display: none;
}

.rol-tarjeta {
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  font-size: 14px;
  transition: 0.2s;
}

.rol-opcion:checked+.rol-tarjeta {
  border-color: var(--acento-claro);
  background: rgba(119, 115, 235, 0.2);
}

.terminos {
  display: flex;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--borde);
  border-radius: 8px;
  align-items: center;
  font-size: 14px;
}

.texto-login {
  text-align: center;
  color: var(--texto-suave);
  font-size: 14px;
}

.texto-login a {
  color: #ff6b6b;
}

.alerta-servidor {
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid #ff6b6b;
  color: #ff6b6b;
  padding: 12px;
  border-radius: 8px;
  font-size: 13px;
  text-align: center;
}

.panel-exito {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.panel-exito.visible {
  display: flex;
}

.circulo-exito {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  display: flex;
  justify-content: center;
  align-items: center;
}

.pie {
  background: rgba(30, 24, 88, 0.85);
  border-top: 1px solid var(--borde);
}

.pie-interior {
  max-width: 1280px;
  margin: auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--texto-suave);
}

select.entrada option {
  background: #1e1858;
  color: #fff;
}