/* ========================================
   ARCHIVO: login.css
   PROPÓSITO: Estilos específicos de la página de login
   DEPENDENCIAS: tokens.css, base.css, components.css
   ======================================== */

/* ========================================
   LOGIN SHELL (contenedor principal)
   ======================================== */
.login-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  background-color: var(--bg-app);
}

@media (max-width: 900px) {
  .login-shell {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   LOGIN BRAND (lado izquierdo)
   ======================================== */
.login-brand {
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-8);
  position: relative;
  overflow: hidden;
}

/* Decoración de fondo (círculos sutiles) */
.login-brand::before,
.login-brand::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.05);
  pointer-events: none;
}

.login-brand::before {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
}

.login-brand::after {
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: -80px;
}

.login-brand__inner {
  max-width: 480px;
  position: relative;
  z-index: 1;
}

.login-brand__logo {
  width: 4rem;
  height: 4rem;
  background: rgb(255 255 255 / 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--text-inverse);
}

.login-brand__logo svg {
  width: 2rem;
  height: 2rem;
}

.login-brand__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--text-inverse);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.login-brand__subtitle {
  font-size: var(--text-lg);
  color: rgb(255 255 255 / 0.85);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.login-brand__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.login-brand__features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgb(255 255 255 / 0.9);
  font-size: var(--text-base);
}

.login-brand__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: rgb(255 255 255 / 0.2);
  border-radius: 50%;
  flex-shrink: 0;
}

.login-brand__check svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--text-inverse);
}

@media (max-width: 900px) {
  .login-brand {
    display: none;
  }
}

/* ========================================
   LOGIN FORM (lado derecho)
   ======================================== */
.login-form-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.login-form {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.login-form__header {
  text-align: center;
  margin-bottom: var(--space-2);
}

.login-form__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}

.login-form__subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.login-form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.field-error {
  background-color: var(--color-danger-50);
  color: var(--color-danger-700);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  border: var(--border-width) solid var(--color-danger-100);
}

.login-form__submit {
  width: 100%;
  margin-top: var(--space-2);
  position: relative;
}

.login-form__spinner {
  position: absolute;
  right: var(--space-4);
}

.login-form__demo {
  background-color: var(--color-gray-50);
  border: var(--border-width) dashed var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.login-form__demo-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.login-form__demo-btn {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: transparent;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
}

.login-form__demo-btn:hover {
  color: var(--text-primary);
}

.login-form__demo-btn strong {
  color: var(--color-primary-600);
  font-weight: var(--font-semibold);
}

/* ========================================
   ANIMACIONES DE TOAST
   ======================================== */
@keyframes toast-in {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-out {
  to {
    transform: translateX(120%);
    opacity: 0;
  }
}