/**
 * Autenticación: login y verificación 2FA.
 * Cargar después de dashboard-base.css (usa variables y tipografía del dashboard).
 */

body.arcc-dashboard-body.arcc-page-auth {
  min-height: 100vh;
  position: relative;
  background: radial-gradient(900px 500px at 15% 20%, rgba(90, 143, 158, 0.2) 0%, transparent 55%),
    radial-gradient(700px 400px at 85% 80%, rgba(30, 50, 80, 0.25) 0%, transparent 50%),
    linear-gradient(155deg, var(--arcc-navy) 0%, var(--arcc-navy-mid) 45%, #243352 100%);
}

.arcc-auth-floating {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.arcc-auth-floating::before,
.arcc-auth-floating::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  animation: arcc-auth-float 7s ease-in-out infinite;
}

.arcc-auth-floating::before {
  width: 200px;
  height: 200px;
  top: 12%;
  left: 8%;
}

.arcc-auth-floating::after {
  width: 160px;
  height: 160px;
  bottom: 12%;
  right: 10%;
  animation-duration: 9s;
  animation-direction: reverse;
}

@keyframes arcc-auth-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-18px);
  }
}

.arcc-page-auth > .container-fluid {
  position: relative;
  z-index: 1;
}

.login-container {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-radius: var(--arcc-radius);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.35);
  overflow: hidden;
}

.login-header {
  background: linear-gradient(115deg, var(--arcc-navy) 0%, var(--arcc-navy-mid) 50%, var(--arcc-slate) 100%);
  color: #fff;
  border-radius: 0;
  padding: 1.75rem 1.5rem;
  text-align: center;
}

.login-header h3 {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.login-header .small,
.login-header small {
  color: rgba(255, 255, 255, 0.85);
}

.logo-section {
  margin-bottom: 1rem;
}

.logo-section img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.25);
}

.arcc-page-auth .form-control {
  border-radius: var(--arcc-radius-sm);
  border: 1px solid var(--arcc-border);
  padding: 0.65rem 1rem;
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.arcc-page-auth .form-control:focus {
  border-color: var(--arcc-accent);
  box-shadow: 0 0 0 0.2rem var(--arcc-focus-ring);
}

.btn-login,
.btn-verify {
  background: linear-gradient(180deg, var(--arcc-accent) 0%, #2a4f5a 100%);
  border: none;
  border-radius: var(--arcc-radius-sm);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff !important;
  transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-login:hover,
.btn-verify:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(45, 80, 92, 0.35);
  color: #fff !important;
}

.security-notice {
  background: var(--arcc-surface-muted);
  border-left: 4px solid var(--arcc-accent);
  padding: 1rem 1.1rem;
  margin: 1.25rem 0;
  border-radius: var(--arcc-radius-sm);
  border: 1px solid var(--arcc-border);
}

.security-notice h6 {
  color: var(--arcc-navy);
  font-weight: 600;
}

.arcc-page-auth .alert {
  border-radius: var(--arcc-radius-sm);
  border: 1px solid transparent;
}

.arcc-page-auth a:not(.btn) {
  color: var(--arcc-link);
  text-decoration: underline;
  text-decoration-color: var(--arcc-link-underline);
  text-underline-offset: 0.15em;
  font-weight: 500;
}

.arcc-page-auth a:not(.btn):hover {
  color: var(--arcc-link-hover);
}

/* Compat: login usa btn-primary + btn-login */
.arcc-page-auth .btn-primary.btn-login {
  border: none;
}