/**
 * Biometric Authentication Styles - Staff PWA
 * Android-first design for fingerprint/face login
 * Adapted from Driver PWA with Staff PWA theme variables
 * 
 * @version 1.0.0
 */

/* ===========================================
   Login Screen - Biometric Section
   =========================================== */

.biometric-login-section {
  margin-top: 1.5rem;
  padding-top: 0;
  animation: fadeIn 0.3s ease-out;
}

.divider-with-text {
  display: flex;
  align-items: center;
  text-align: center;
  margin-bottom: 1rem;
}

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

.divider-with-text span {
  padding: 0 1rem;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Biometric Login Button */
.btn-biometric {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #238636 0%, #2ea043 100%);
  border: none;
  color: white;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(35, 134, 54, 0.3);
  width: 100%;
  cursor: pointer;
}

.btn-biometric:hover {
  background: linear-gradient(135deg, #2ea043 0%, #3fb950 100%);
  box-shadow: 0 4px 12px rgba(35, 134, 54, 0.4);
  transform: translateY(-1px);
}

.btn-biometric:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 1px 4px rgba(35, 134, 54, 0.3);
}

.btn-biometric:disabled {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-biometric .fingerprint-icon {
  flex-shrink: 0;
}

.biometric-hint {
  text-align: center;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-size: var(--font-size-sm);
}

/* ===========================================
   Settings Screen - Security Section
   =========================================== */

.security-section {
  margin-top: var(--spacing-lg);
}

.security-section h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.security-section h2 svg {
  color: var(--accent-primary);
}

/* Security Card Container */
.security-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

/* Security Setting Item - Flexbox Row Layout */
.security-setting-item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.security-setting-item .setting-info {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.security-setting-item .setting-info svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-primary);
}

.security-setting-item .setting-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  min-width: 0;
}

.security-setting-item .setting-text h4 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
}

.security-setting-item .setting-text p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
}

.security-setting-item .setting-action {
  flex-shrink: 0;
}

.security-setting-item .setting-action button {
  white-space: nowrap;
}

/* Security Row (Alternative Layout) */
.security-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.security-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.fingerprint-icon-small {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.security-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 0;
}

.security-label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.security-status {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.security-status.enabled {
  color: var(--accent-success);
}

.security-status.enabled::before {
  content: '✓ ';
}

.security-status.not-supported {
  color: var(--text-tertiary);
  font-style: italic;
}

.security-hint {
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

/* Android Notice */
.android-notice {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: 0.75rem;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
}

.android-notice svg {
  flex-shrink: 0;
  color: var(--accent-primary);
}

/* Remove Biometric Row */
.remove-biometric-row {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.btn-danger-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--accent-danger);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.btn-danger-text:hover {
  opacity: 0.8;
}

.btn-danger-text svg {
  flex-shrink: 0;
}

/* ===========================================
   Button Variants (Security-specific)
   =========================================== */

.btn-biometric-setup {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.btn-biometric-setup:hover {
  background: var(--border-color);
  border-color: var(--text-secondary);
}

.btn-biometric-setup:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-tertiary);
}

/* Error message styling */
.text-danger {
  color: var(--accent-danger);
}

.small {
  font-size: var(--font-size-sm);
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

/* Spinner for buttons */
.spinner-small {
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: biometric-spin 0.6s linear infinite;
}

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

/* ===========================================
   Responsive Adjustments
   =========================================== */

@media (max-width: 360px) {
  .security-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .security-row .btn,
  .security-row .btn-biometric-setup {
    width: 100%;
    justify-content: center;
  }
  
  .security-info {
    width: 100%;
  }

  .security-setting-item {
    flex-direction: column;
  }

  .security-setting-item .setting-action {
    width: 100%;
  }

  .security-setting-item .setting-action button {
    width: 100%;
    justify-content: center;
  }
}

/* ===========================================
   Animations
   =========================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fingerprint pulse animation (when active) */
@keyframes fingerprint-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.btn-biometric:active .fingerprint-icon {
  animation: fingerprint-pulse 0.5s ease-in-out infinite;
}

/* ===========================================
   Biometric Setup Prompt (post-OTP login)
   =========================================== */

.biometric-setup-prompt {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  animation: fadeIn 0.3s ease-out;
}

.biometric-setup-prompt .prompt-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-success);
}

.biometric-setup-prompt h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.biometric-setup-prompt p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.biometric-setup-prompt .prompt-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.biometric-setup-prompt .btn-enable {
  background: linear-gradient(135deg, #238636 0%, #2ea043 100%);
  border: none;
  color: white;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.biometric-setup-prompt .btn-enable:hover {
  background: linear-gradient(135deg, #2ea043 0%, #3fb950 100%);
  transform: translateY(-1px);
}

.biometric-setup-prompt .btn-skip {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  padding: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.biometric-setup-prompt .btn-skip:hover {
  color: var(--text-primary);
}

/* Hidden state */
.biometric-login-section.hidden,
.biometric-setup-prompt.hidden {
  display: none;
}