/**
 * SVA Session UI Styles (v3.4.0 "Sentinel" T1)
 * Styles for memory indicators, forget button, and toasts
 */

/* Forget Button */
.sva-forget-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sva-forget-btn:hover {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.sva-forget-btn:focus {
  outline: 2px solid var(--sva-accent, #8B5CF6);
  outline-offset: 2px;
}

.sva-forget-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sva-forget-btn svg {
  width: 14px;
  height: 14px;
}

.sva-forget-btn.sva-forget-loading {
  opacity: 0.6;
  pointer-events: none;
}

.sva-forget-btn.sva-forget-loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 6px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: rgba(255, 255, 255, 0.8);
  animation: sva-spin 0.6s linear infinite;
}

/* Memory Indicator */
.sva-memory-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  margin-left: 12px;
  font-size: 11px;
  color: var(--sva-accent, #8B5CF6);
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 12px;
  animation: sva-fade-in 0.3s ease;
}

.sva-memory-indicator svg {
  width: 12px;
  height: 12px;
  animation: sva-pulse 2s ease-in-out infinite;
}

/* Toast Notifications */
.sva-toast {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  animation: sva-toast-in 0.3s ease;
}

.sva-toast-success {
  background: rgba(34, 197, 94, 0.95);
  color: white;
}

.sva-toast-error {
  background: rgba(239, 68, 68, 0.95);
  color: white;
}

/* Animations */
@keyframes sva-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes sva-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

@keyframes sva-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sva-toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Accessibility */
.sva-forget-btn:focus-visible {
  outline: 2px solid var(--sva-accent, #8B5CF6);
  outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .sva-forget-btn {
    font-size: 11px;
    padding: 5px 10px;
  }
  
  .sva-memory-indicator {
    font-size: 10px;
    padding: 3px 8px;
  }
  
  .sva-toast {
    font-size: 13px;
    padding: 10px 16px;
    max-width: 90%;
  }
}

.sva-forget-btn {
  border-color: rgba(255, 255, 255, 0.15);
}

.sva-forget-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .sva-forget-btn {
    border-width: 2px;
  }
  
  .sva-memory-indicator {
    border-width: 2px;
  }
  
  .sva-toast {
    border: 2px solid currentColor;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .sva-forget-btn,
  .sva-memory-indicator,
  .sva-toast {
    animation: none;
    transition: none;
  }
  
  .sva-memory-indicator svg {
    animation: none;
  }
  
  .sva-forget-btn.sva-forget-loading::after {
    animation: none;
    opacity: 0.5;
  }
}