/* ============================================================
   DocumentAI — Login Page
   ============================================================ */

.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

/* Panel izquierdo — branding */
.login-brand {
  background: linear-gradient(145deg, var(--color-brand-navy) 0%, #2C1F0A 60%, #3D2B0F 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
}
.login-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(232,191,106,0.14), transparent),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(158,108,33,0.20), transparent);
}
.login-brand-content { position: relative; z-index: 1; }

.login-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-16);
}
.login-logo-icon {
  /* width: 44px; */
  height: 44px;
  padding: 30px 10px 30px 10px;
  background: var(--color-brand-cyan);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-logo-text {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: white;
  letter-spacing: -0.02em;
}
.login-logo-text span { color: var(--color-brand-cyan); }

.login-headline {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: var(--font-extrabold);
  color: white;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}
.login-headline span {
  background: linear-gradient(90deg, var(--color-brand-cyan), #D4A84E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-subheadline {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.6);
  line-height: var(--leading-relaxed);
  max-width: 380px;
}

.login-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-10);
  position: relative;
  z-index: 1;
}
.login-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
}
.login-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: rgba(232,191,106,0.15);
  border: 1px solid rgba(232,191,106,0.30);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-cyan);
  flex-shrink: 0;
}

.login-brand-footer {
  position: relative;
  z-index: 1;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

/* Decoración geométrica */
.login-deco {
  position: absolute;
  z-index: 0;
}
.login-deco-circle-1 {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(232,191,106,0.12);
  right: -120px;
  top: -80px;
}
.login-deco-circle-2 {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 1px solid rgba(232,191,106,0.08);
  right: -40px;
  top: -20px;
}
.login-deco-circle-3 {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(232,191,106,0.06);
  bottom: 80px;
  left: -60px;
}

/* Panel derecho — formulario */
.login-form-panel {
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-8);
  position: relative;
}

.login-form-box {
  width: 100%;
  max-width: 420px;
}

.login-form-header {
  margin-bottom: var(--space-8);
}
.login-form-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.login-form-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-2) 0;
}
.login-divider-line {
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
}
.login-divider-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.login-submit-btn {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.login-submit-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.login-submit-btn:hover::after {
  transform: translateX(100%);
}

.login-forgot {
  text-align: right;
  font-size: var(--text-xs);
  color: var(--color-brand-cyan);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.login-forgot:hover { color: var(--color-brand-cyan-hover); }

.login-register {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

/* Estado de carga del botón */
.login-submit-btn.loading {
  pointer-events: none;
}
.login-submit-btn .btn-text { display: inline; }
.login-submit-btn .btn-spinner { display: none; }
.login-submit-btn.loading .btn-text { display: none; }
.login-submit-btn.loading .btn-spinner { display: inline-flex; }

/* Notificación de error */
.login-error {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-error-light);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-error-text);
  animation: shake 0.4s ease;
}
.login-error.visible { display: flex; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* Responsive */
@media (max-width: 768px) {
  .login-page {
    grid-template-columns: 1fr;
  }
  .login-brand {
    display: none;
  }
  .login-form-panel {
    padding: var(--space-8) var(--space-6);
  }
}