/* ========================================
   AUTHENTICATION PAGES - Login & Registration
   ======================================== */

/* Auth Layout */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6);
  background: #ffffff;
}

.auth-card {
  background: var(--color-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 480px;
  padding: var(--spacing-8);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.auth-logo {
  display: inline-block;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--spacing-4);
}

.auth-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.auth-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.auth-form {
  margin-bottom: var(--spacing-6);
}

.auth-footer {
  text-align: center;
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-divider);
}

.auth-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.auth-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Registration Type Selection */
.registration-type-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.registration-type-card {
  padding: var(--spacing-6);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-background);
}

.registration-type-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.registration-type-card.active {
  border-color: var(--color-primary);
  background-color: #eff6ff;
}

.registration-type-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-3);
  color: var(--color-primary);
}

.registration-type-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.registration-type-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Password Strength Indicator */
.password-strength {
  margin-top: var(--spacing-2);
}

.password-strength-bar {
  height: 4px;
  background-color: var(--color-divider);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-2);
}

.password-strength-fill {
  height: 100%;
  transition: width var(--transition-base), background-color var(--transition-base);
  border-radius: var(--radius-full);
}

.password-strength-fill.weak {
  width: 33%;
  background-color: var(--color-error);
}

.password-strength-fill.medium {
  width: 66%;
  background-color: var(--color-warning);
}

.password-strength-fill.strong {
  width: 100%;
  background-color: var(--color-success);
}

.password-strength-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.password-strength-text.weak { color: var(--color-error); }
.password-strength-text.medium { color: var(--color-warning); }
.password-strength-text.strong { color: var(--color-success); }

/* Email Verification Message */
.verification-message {
  text-align: center;
  padding: var(--spacing-8);
}

.verification-icon {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: var(--spacing-4);
}

.verification-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
}

.verification-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
  line-height: var(--line-height-relaxed);
}

/* Forgot Password */
.forgot-password-link {
  display: block;
  text-align: right;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-top: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

/* Remember Me Checkbox */
.remember-me {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

/* Loading State */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Divider with Text */
.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--spacing-6) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--color-border);
}

.divider::before {
  margin-right: var(--spacing-4);
}

.divider::after {
  margin-left: var(--spacing-4);
}

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

/* Responsive - Mobile */
@media (max-width: 768px) {
  .auth-container {
    padding: var(--spacing-4);
  }
  
  .auth-card {
    padding: var(--spacing-6);
  }
  
  .registration-type-selector {
    grid-template-columns: 1fr;
  }
  
  .auth-title {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  .auth-card {
    padding: var(--spacing-4);
  }
  
  .auth-header {
    margin-bottom: var(--spacing-6);
  }
  
  .auth-logo {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-xl);
  }
}