/* ============================================
   FormatZ Authentication Styles
   Модальные окна регистрации и входа
   ============================================ */

/* === Modal Backdrop === */
.auth-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.auth-modal-backdrop.active {
  opacity: 1;
}

/* === Modal Container === */
.auth-modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    var(--glow-primary);
  transform: scale(0.95) translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.auth-modal.active {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* === Close Button === */
.auth-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-modal-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.auth-modal-close svg {
  width: 20px;
  height: 20px;
}

/* === Modal Header === */
.auth-modal-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--glow-primary);
}

.auth-modal-icon svg {
  width: 32px;
  height: 32px;
  color: var(--accent-primary);
}

.auth-modal-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

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

/* === Form === */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.auth-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.auth-forgot-link {
  font-size: var(--text-sm);
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* === Input === */
.auth-input-wrapper {
  position: relative;
}

.auth-input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.auth-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: calc(var(--space-4) + 18px + var(--space-3));
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.auth-input::placeholder {
  color: var(--text-muted);
}

.auth-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.auth-input:focus + .auth-input-icon,
.auth-input-wrapper:focus-within .auth-input-icon {
  color: var(--accent-primary);
}

.auth-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* === Password Toggle === */
.auth-password-toggle {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.auth-password-toggle:hover {
  color: var(--text-secondary);
  background: var(--bg-glass);
}

.auth-password-toggle svg {
  width: 18px;
  height: 18px;
}

.auth-input-wrapper:has(.auth-password-toggle) .auth-input {
  padding-right: calc(var(--space-3) + 32px + var(--space-2));
}

/* === Error Message === */
.auth-error {
  font-size: var(--text-xs);
  color: #ef4444;
  min-height: 16px;
}

/* === Submit Button === */
.auth-submit {
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-4);
  font-size: var(--text-base);
  font-weight: 600;
}

.auth-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.auth-submit-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.auth-submit .spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* === Divider === */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

.auth-divider span {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* === Switch Link === */
.auth-switch {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.auth-switch a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.auth-switch a:hover {
  color: var(--accent-primary-light);
  text-decoration: underline;
}

/* === Features List === */
.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-primary);
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.auth-feature svg {
  width: 16px;
  height: 16px;
  color: var(--accent-tertiary);
  flex-shrink: 0;
}

/* === Success Modal === */
.auth-modal-success {
  text-align: center;
}

.auth-success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
  border-radius: 50%;
  animation: successPulse 2s ease-in-out infinite;
}

@keyframes successPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 0 15px rgba(16, 185, 129, 0); }
}

.auth-success-icon svg {
  width: 40px;
  height: 40px;
  color: var(--accent-tertiary);
}

.auth-modal-hint {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: var(--space-4) 0 var(--space-6);
  line-height: var(--leading-relaxed);
}

.auth-resend {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.auth-resend a {
  color: var(--accent-primary);
  text-decoration: none;
}

.auth-resend a:hover {
  text-decoration: underline;
}

/* === Notification === */
.auth-notification {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-tooltip);
  transform: translateX(calc(100% + var(--space-4)));
  opacity: 0;
  transition: all var(--transition-base);
}

.auth-notification.active {
  transform: translateX(0);
  opacity: 1;
}

.auth-notification-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
}

.auth-notification-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.auth-notification-success .auth-notification-icon {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-tertiary);
}

.auth-notification-error .auth-notification-icon {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.auth-notification-info .auth-notification-icon {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-primary);
}

.auth-notification-text {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.auth-notification-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.auth-notification-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

/* === Responsive === */
@media (max-width: 480px) {
  .auth-modal {
    padding: var(--space-6);
    margin: var(--space-4);
  }
  
  .auth-modal-title {
    font-size: var(--text-xl);
  }
  
  .auth-notification {
    left: var(--space-4);
    right: var(--space-4);
    transform: translateY(calc(-100% - var(--space-4)));
  }
  
  .auth-notification.active {
    transform: translateY(0);
  }
  
  .auth-notification-content {
    max-width: none;
  }
}