/* Interactive Elements Specific Styles */

/* Enhanced String Visualization */
.string-segment {
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

.string-segment:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.string-segment.segment-x:hover { box-shadow: 0 4px 8px rgba(245, 158, 11, 0.3); }
.string-segment.segment-y:hover { box-shadow: 0 4px 8px rgba(22, 163, 74, 0.3); }
.string-segment.segment-z:hover { box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3); }
.string-segment.segment-u:hover { box-shadow: 0 4px 8px rgba(147, 51, 234, 0.3); }
.string-segment.segment-v:hover { box-shadow: 0 4px 8px rgba(245, 158, 11, 0.3); }
.string-segment.segment-w:hover { box-shadow: 0 4px 8px rgba(22, 163, 74, 0.3); }

/* Dynamic Animations */
.string-segment.pumping {
  animation: pump-animation 0.8s ease-in-out;
}

@keyframes pump-animation {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); background-color: #fbbf24; }
  100% { transform: scale(1); }
}

/* Interactive Feedback */
.slider:hover {
  background: #d1d5db;
}

.slider:active::-webkit-slider-thumb {
  transform: scale(1.2);
}

.slider:active::-moz-range-thumb {
  transform: scale(1.2);
}

/* Enhanced Button Interactions */
.btn:active {
  transform: translateY(0);
}

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

/* Validation States */
.input-valid {
  border-color: #10b981 !important;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.1) !important;
}

.input-invalid {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1) !important;
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: loading-animation 1.5s infinite;
}

@keyframes loading-animation {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Tooltips */
.tooltip {
  position: relative;
  cursor: help;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #1f2937;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1000;
}

.tooltip:hover::before {
  opacity: 1;
}

/* Error States */
.error-message {
  background: #fee2e2;
  color: #991b1b;
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #fecaca;
  font-size: 12px;
  margin-top: 4px;
}

.success-message {
  background: #dcfce7;
  color: #166534;
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #bbf7d0;
  font-size: 12px;
  margin-top: 4px;
}

/* Enhanced Results Display */
.result-item {
  transition: all 0.3s ease;
}

.result-item:hover {
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Progress Indicators */
.progress-bar {
  width: 100%;
  height: 4px;
  background: #e5e7eb;
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #8b5cf6, #06d6a0);
  transition: width 0.3s ease;
}

/* Modal-like overlays for detailed analysis */
.analysis-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.analysis-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.analysis-modal {
  background: white;
  border-radius: 8px;
  padding: 24px;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.analysis-overlay.active .analysis-modal {
  transform: translateY(0);
}

/* Segment Labels */
.segment-label {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 600;
  color: #6b7280;
  background: white;
  padding: 1px 4px;
  border-radius: 2px;
  border: 1px solid #e5e7eb;
}

/* Interactive Constraints Indicator */
.constraint-indicator {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-left: 8px;
  position: relative;
}

.constraint-satisfied {
  background: #10b981;
}

.constraint-violated {
  background: #ef4444;
  animation: pulse-red 1.5s infinite;
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Formula Display Enhancement */
.formula-display {
  font-family: 'Courier New', monospace;
  background: #f8fafc;
  padding: 8px;
  border-radius: 4px;
  border-left: 3px solid #8b5cf6;
  margin: 8px 0;
  font-size: 14px;
}

.formula-variables {
  color: #7c3aed;
  font-weight: 600;
}

/* Responsive Adjustments for Interactive Elements */
@media (max-width: 768px) {
  .string-segment {
    font-size: 14px;
    padding: 3px 5px;
  }
  
  .tooltip::before {
    font-size: 10px;
    padding: 3px 6px;
  }
  
  .analysis-modal {
    margin: 20px;
    padding: 16px;
  }
}