:root {
  --azul: #12395b;
  --azul-claro: #1f5c8c;
  --gris-fondo: #f4f6f8;
  --gris-borde: #d7dde3;
  --rojo: #b3261e;
  --verde: #1e7a3d;
  --texto: #1c2733;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--gris-fondo);
  color: var(--texto);
}

.topbar {
  background: var(--azul);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar h1 {
  font-size: 17px;
  margin: 0;
  font-weight: 600;
}

.topbar form { margin: 0; }

.topbar button {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.topbar button:hover { background: rgba(255,255,255,0.12); }

.contenedor {
  max-width: 880px;
  margin: 28px auto 60px auto;
  padding: 0 16px;
}

.tarjeta {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-radius: 10px;
  padding: 26px 28px;
  margin-bottom: 20px;
}

.tarjeta h2 {
  font-size: 15px;
  margin: 0 0 4px 0;
  color: var(--azul);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tarjeta .subt {
  font-size: 13px;
  color: #5a6b7a;
  margin: 0 0 18px 0;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}
.grid3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px 18px;
}

@media (max-width: 620px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
}

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #35424d;
}

input[type=text], input[type=number], input[type=email], select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--gris-borde);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  color: var(--texto);
}
input:disabled {
  background: #eef1f3;
  color: #5a6b7a;
  cursor: not-allowed;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--azul-claro);
  box-shadow: 0 0 0 3px rgba(31,92,140,0.15);
}

.campo { margin-bottom: 0; }
.campo.full { grid-column: 1 / -1; }

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0 14px 0;
  font-size: 13.5px;
}
.check-row input { width: auto; }

.oculto { display: none; }

.separador-persona {
  border-top: 1px dashed var(--gris-borde);
  margin: 18px 0;
  padding-top: 18px;
}

.persona-bloque {
  border: 1px solid var(--gris-borde);
  border-radius: 8px;
  padding: 16px 16px 4px 16px;
  margin-bottom: 14px;
  background: #fafcfd;
}
.persona-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.persona-titulo {
  font-size: 13px;
  color: var(--azul);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.btn-quitar {
  background: transparent;
  border: 1px solid #e0b4b0;
  color: var(--rojo);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12.5px;
  cursor: pointer;
}
.btn-quitar:hover { background: #fdecea; }

.btn-agregar {
  background: #eef4f9;
  border: 1px solid var(--azul-claro);
  color: var(--azul-claro);
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
}
.btn-agregar:hover { background: #e1edf6; }

.acciones {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.btn-generar {
  background: var(--azul);
  color: #fff;
  border: none;
  padding: 12px 26px;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn-generar:hover { background: var(--azul-claro); }
.btn-generar:disabled { opacity: 0.6; cursor: default; }

.alerta {
  background: #fdecea;
  border: 1px solid #f2c1bd;
  color: var(--rojo);
  padding: 12px 14px;
  border-radius: 7px;
  margin-bottom: 18px;
  font-size: 13.5px;
}

.login-envoltura {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-caja {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-radius: 10px;
  padding: 34px 32px;
  width: 100%;
  max-width: 360px;
}
.login-caja h1 {
  font-size: 18px;
  color: var(--azul);
  margin: 0 0 4px 0;
}
.login-caja p.subt {
  font-size: 13px;
  color: #5a6b7a;
  margin: 0 0 22px 0;
}
.login-caja label { margin-top: 12px; }
.login-caja button {
  width: 100%;
  margin-top: 20px;
  background: var(--azul);
  color: #fff;
  border: none;
  padding: 11px;
  border-radius: 7px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
}
.login-caja button:hover { background: var(--azul-claro); }

.ayuda {
  font-size: 11.5px;
  color: #7c8a96;
  margin-top: 3px;
}