/* Auth Pages - Unified Dark Mode Stylesheet */
/* Used by: login, register, change_password, forgot_password, reset_password */

/* Auth container - full-page centered layout */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding: var(--spacing-6);
}

/* Auth card */
.auth-card {
  background-color: var(--surface-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 420px;
  width: 100%;
  border: 1px solid var(--border-default);
}

.auth-card.auth-card-wide {
  max-width: 520px;
}

/* Auth header */
.auth-header {
  background-color: var(--surface-tertiary);
  padding: var(--spacing-8) var(--spacing-6);
  text-align: center;
  border-bottom: 1px solid var(--border-default);
}

.auth-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-2) 0;
}

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

/* Auth top accent bar */
.auth-card::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue) 0%, var(--brand-purple) 100%);
}

/* Auth form body */
.auth-form {
  padding: var(--spacing-8) var(--spacing-6);
}

/* Auth form groups - override generic forms.css for auth context */
.auth-form .form-group {
  margin-bottom: var(--spacing-6);
}

.auth-form .form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-form .form-group input,
.auth-form .form-group select,
.auth-form .form-group textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--surface-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-form .form-group input:focus,
.auth-form .form-group select:focus,
.auth-form .form-group textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px var(--brand-blue-muted);
}

.auth-form .form-group input::placeholder,
.auth-form .form-group textarea::placeholder {
  color: var(--text-muted);
}

/* Auth form sections (register page) */
.auth-form .form-section {
  margin-bottom: var(--spacing-8);
  border: none;
  padding: 0;
  background: none;
}

.auth-form .form-section:last-child {
  margin-bottom: 0;
}

.auth-form .form-section h3 {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-6) 0;
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--border-default);
  position: relative;
}

.auth-form .form-section h3::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--brand-blue);
  border-radius: 1px;
}

/* Auth checkbox group */
.auth-form .checkbox-group {
  background-color: var(--surface-primary);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
}

.auth-form .checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.auth-form .checkbox-label input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--brand-blue);
  cursor: pointer;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
}

/* Auth form help text */
.auth-form .form-help {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* Auth buttons */
.auth-form .form-actions {
  display: flex;
  gap: var(--spacing-3);
  margin-top: var(--spacing-8);
}

.auth-btn {
  flex: 1;
  padding: var(--spacing-3) var(--spacing-6);
  background-color: var(--brand-blue);
  color: var(--text-on-accent);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-btn:hover {
  background-color: var(--brand-blue-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.auth-btn:active {
  transform: translateY(0);
}

.auth-btn-full {
  width: 100%;
}

.auth-btn-outline {
  flex: 1;
  padding: var(--spacing-3) var(--spacing-6);
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-btn-outline:hover {
  background-color: var(--surface-tertiary);
  border-color: var(--text-muted);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Auth messages */
.auth-card .error-message {
  background-color: var(--color-error-light);
  color: var(--color-danger);
  padding: var(--spacing-4);
  margin: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  border-left: 3px solid var(--color-danger);
  text-align: left;
}

.auth-card .success-message {
  background-color: var(--color-success-light);
  color: var(--color-success);
  padding: var(--spacing-4);
  margin: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  border-left: 3px solid var(--color-success);
  text-align: left;
}

.auth-card .success-message a {
  color: var(--color-success);
  text-decoration: underline;
  font-weight: var(--font-weight-semibold);
}

.auth-card .success-message a:hover {
  text-decoration: none;
}

/* Auth footer links */
.auth-footer {
  padding: var(--spacing-4) var(--spacing-6);
  background-color: var(--surface-tertiary);
  border-top: 1px solid var(--border-default);
  text-align: center;
}

.auth-footer p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.auth-footer a {
  color: var(--brand-blue);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
}

.auth-footer a:hover {
  color: var(--brand-blue-hover);
  text-decoration: underline;
}

/* Info box (forgot password, reset password) */
.auth-card .info-box {
  background-color: var(--surface-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  margin: var(--spacing-4) 0;
}

.auth-card .info-box h4 {
  margin: 0 0 var(--spacing-3) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.auth-card .info-box p {
  margin: 0 0 var(--spacing-2) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.auth-card .info-box p:last-child {
  margin-bottom: 0;
}

.auth-card .info-box ol {
  margin: 0 0 var(--spacing-3) 0;
  padding-left: var(--spacing-6);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.auth-card .info-box li {
  margin-bottom: var(--spacing-2);
  line-height: var(--line-height-normal);
}

.auth-card .info-box small {
  display: block;
  margin-top: var(--spacing-2);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* Help section (forgot password) */
.auth-help {
  padding: var(--spacing-4) var(--spacing-6);
  background-color: var(--surface-tertiary);
  border-top: 1px solid var(--border-default);
}

.auth-help h4 {
  margin: 0 0 var(--spacing-2) 0;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.auth-help p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* Password strength meter */
.password-strength {
  margin-top: var(--spacing-4);
}

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

.strength-bar {
  height: 100%;
  width: 0;
  border-radius: var(--radius-full);
  transition: width var(--transition-normal), background-color var(--transition-normal);
}

.strength-text {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

/* Security tips (reset password) */
.security-tips {
  padding: var(--spacing-4) var(--spacing-6);
  background-color: var(--surface-tertiary);
  border-top: 1px solid var(--border-default);
}

.security-tips h4 {
  margin: 0 0 var(--spacing-3) 0;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.security-tips ul {
  margin: 0;
  padding-left: var(--spacing-6);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.security-tips li {
  margin-bottom: var(--spacing-1);
  line-height: var(--line-height-normal);
}

/* Responsive */
@media (max-width: 768px) {
  .auth-container {
    padding: var(--spacing-4);
    min-height: auto;
    align-items: flex-start;
  }

  .auth-card {
    max-width: 100%;
  }

  .auth-card.auth-card-wide {
    max-width: 100%;
  }

  .auth-header {
    padding: var(--spacing-6) var(--spacing-4);
  }

  .auth-form {
    padding: var(--spacing-6) var(--spacing-4);
  }

  .auth-form .form-actions {
    flex-direction: column;
  }

  .auth-btn,
  .auth-btn-outline {
    width: 100%;
  }
}