/**
 * PERSONALIZATION SYSTEM - UI STYLES
 * Version: 38.0.0-PERSONALIZATION
 * Date: January 15, 2025
 * 
 * Beautiful, modern UI for privacy-first personalization system.
 * Includes: setup wizard, login modal, account menu, welcome banner.
 */

/* ============================================
   WELCOME BANNER (Not Logged In)
   ============================================ */
.personalization-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 400px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.personalization-banner h3 {
  margin: 0 0 var(--space-sm) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.personalization-banner p {
  margin: 0 0 var(--space-md) 0;
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.personalization-banner-actions {
  display: flex;
  gap: var(--space-sm);
}

.personalization-banner button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.personalization-banner .btn-primary {
  background: white;
  color: var(--primary);
}

.personalization-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.personalization-banner .btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.personalization-banner .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.personalization-banner-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: transparent;
  border: none;
  color: white;
  font-size: var(--font-size-lg);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.personalization-banner-close:hover {
  opacity: 1;
}

/* ============================================
   ACCOUNT INDICATOR (Logged In)
   ============================================ */
.account-indicator {
  position: relative;
  display: inline-block;
}

.account-button {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.account-button:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

.account-button i {
  font-size: var(--font-size-lg);
  color: var(--primary);
}

.account-dropdown {
  position: absolute;
  top: calc(100% + var(--space-xs));
  right: 0;
  min-width: 220px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: none;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}

.account-dropdown.active {
  display: block;
}

.account-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  color: var(--text);
  text-decoration: none;
  transition: background var(--transition-fast);
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-size: var(--font-size-base);
}

.account-dropdown-item:hover {
  background: var(--background);
}

.account-dropdown-item i {
  color: var(--primary);
  width: 20px;
}

.account-dropdown-divider {
  height: 1px;
  background: var(--border-light);
  margin: var(--space-xs) 0;
}

/* ============================================
   MODAL OVERLAY
   ============================================ */
.personalization-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-md);
}

.personalization-modal-overlay.active {
  display: flex;
}

/* ============================================
   SETUP WIZARD
   ============================================ */
.setup-wizard {
  background: var(--surface);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.setup-wizard-header {
  padding: var(--space-xl);
  text-align: center;
  border-bottom: 2px solid var(--border-light);
}

.setup-wizard-header h2 {
  margin: 0 0 var(--space-xs) 0;
  color: var(--primary);
  font-size: var(--font-size-2xl);
}

.setup-wizard-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.setup-wizard-progress {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--background);
}

.progress-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
  transition: all var(--transition-base);
}

.progress-dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

.progress-dot.completed {
  background: var(--success);
}

.setup-wizard-content {
  padding: var(--space-xl);
}

.wizard-step {
  display: none;
}

.wizard-step.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

/* Legacy class name for backwards compatibility */
.setup-wizard-step {
  display: none;
}

.setup-wizard-step.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  background: var(--background);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
  display: block;
  margin-top: var(--space-xs);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

.form-error {
  color: var(--error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
  display: none;
}

.form-error.active {
  display: block;
}

.password-strength {
  height: 4px;
  background: var(--border-light);
  border-radius: 2px;
  margin-top: var(--space-xs);
  overflow: hidden;
}

.password-strength-fill {
  height: 100%;
  background: var(--error);
  width: 0;
  transition: all var(--transition-base);
}

.password-strength-fill.weak { width: 33%; background: var(--error); }
.password-strength-fill.medium { width: 66%; background: var(--warning); }
.password-strength-fill.strong { width: 100%; background: var(--success); }

.setup-wizard-actions {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-xl);
  border-top: 2px solid var(--border-light);
}

.setup-wizard-actions button {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  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);
}

.btn-back {
  background: var(--background);
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-back:hover {
  background: var(--surface);
}

.btn-next {
  background: var(--primary);
  color: white;
}

.btn-next:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-next:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   RECOVERY KEY DISPLAY
   ============================================ */
.recovery-key-display {
  background: var(--background);
  border: 2px solid var(--warning);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.recovery-key-display h4 {
  margin: 0 0 var(--space-sm) 0;
  color: var(--warning);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.recovery-key-value {
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-base);
  background: var(--surface);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  word-break: break-all;
  user-select: all;
  color: var(--text);
}

.recovery-key-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.recovery-key-actions button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.btn-copy {
  background: var(--background);
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-download {
  background: var(--primary);
  color: white;
  border: none;
}

.btn-copy:hover,
.btn-download:hover {
  transform: translateY(-2px);
}

/* ============================================
   LOGIN MODAL
   ============================================ */
.login-modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow-xl);
}

.login-modal-header {
  padding: var(--space-xl);
  text-align: center;
  border-bottom: 2px solid var(--border-light);
}

.login-modal-header h2 {
  margin: 0 0 var(--space-xs) 0;
  color: var(--primary);
}

.login-modal-content {
  padding: var(--space-xl);
}

.login-modal-actions {
  padding: var(--space-xl);
  padding-top: 0;
}

.forgot-password {
  display: block;
  text-align: center;
  margin-top: var(--space-md);
  color: var(--primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.forgot-password:hover {
  text-decoration: underline;
}

/* ============================================
   LOADING STATE
   ============================================ */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ============================================
   SUCCESS MESSAGE
   ============================================ */
.success-message {
  background: rgba(82, 196, 26, 0.1);
  border: 2px solid var(--success);
  color: var(--success);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  .setup-wizard {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .personalization-banner {
    left: 10px;
    right: 10px;
    bottom: 10px;
    max-width: none;
  }
  
  .account-dropdown {
    right: auto;
    left: 0;
  }
}