/* Reusable Interactive Components */

/* Interactive Container */
.interactive-container {
  background: var(--bg-secondary);
  border: 2px solid rgba(0, 243, 255, 0.3);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.interactive-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  opacity: 0.6;
}

/* Question Section - Special styling for "Test Your Understanding" */
.interactive-container.question-section {
  border-top: none;
  animation: gradientGlow 3s ease-in-out infinite;
}

.interactive-container.question-section::before {
  display: none;
}

@keyframes gradientGlow {
  0%, 100% {
    box-shadow:
      0 0 20px rgba(0, 243, 255, 0.3),
      0 0 40px rgba(0, 243, 255, 0.15),
      0 0 60px rgba(0, 243, 255, 0.05);
  }
  50% {
    box-shadow:
      0 0 30px rgba(255, 0, 255, 0.3),
      0 0 50px rgba(255, 0, 255, 0.15),
      0 0 70px rgba(255, 0, 255, 0.05);
  }
}

.interactive-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--neon-cyan);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.interactive-title::before {
  content: '⚡';
  font-size: 1.5rem;
}

/* Plot Container */
.plot-container {
  background: var(--bg-primary);
  border: none;
  border-radius: 8px;
  padding: var(--spacing-md);
  height: 450px;
  max-height: 450px;
  overflow: hidden;
  margin: var(--spacing-md) 0;
}

.plot-container > div {
  width: 100% !important;
  height: 100% !important;
}

.plot-canvas {
  max-width: 100%;
  height: auto;
}

/* Dual Panel Layout */
.dual-panel {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: var(--spacing-md) 0;
}

.dual-panel > .panel,
.dual-panel > .plot-container {
  flex: 1;
  min-width: 280px;
}

.dual-panel > .panel > .plot-container {
  margin: 0;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.stat-item {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.stat-label {
  color: var(--text-secondary);
}

.stat-value {
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Control Panel */
.control-panel {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  clear: both;
  position: relative;
  z-index: 1;
}

.control-group {
  margin-bottom: var(--spacing-md);
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.control-label-value {
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  float: right;
}

/* Sliders */
.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-code);
  outline: none;
  border: 1px solid var(--border-color);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--neon-cyan);
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  background: var(--neon-magenta);
  box-shadow: 0 0 15px var(--neon-magenta);
  transform: scale(1.2);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px var(--neon-cyan);
  transition: all 0.3s ease;
}

.slider::-moz-range-thumb:hover {
  background: var(--neon-magenta);
  box-shadow: 0 0 15px var(--neon-magenta);
  transform: scale(1.2);
}

/* Select/Dropdown */
.control-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 100%;
  height: auto;
  padding: 10px 40px 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  background-color: var(--bg-code);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300f3ff' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.control-select:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
}

.control-select:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
}

.control-select option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 8px;
}

/* Buttons */
.btn {
  font-family: var(--font-heading);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--neon-cyan);
  background: transparent;
  color: var(--neon-cyan);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.btn:hover {
  background: var(--neon-cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--neon-cyan);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  border-color: var(--neon-purple);
  color: var(--neon-purple);
}

.btn-secondary:hover {
  background: var(--neon-purple);
  box-shadow: 0 0 20px var(--neon-purple);
}

.btn-magenta {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

.btn-magenta:hover {
  background: var(--neon-magenta);
  box-shadow: 0 0 20px var(--neon-magenta);
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Code Block with Copy Button */
.code-block-container {
  position: relative;
  margin: var(--spacing-md) 0;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px 8px 0 0;
  border: 1px solid var(--border-color);
  border-bottom: none;
}

.code-lang {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--neon-purple);
  font-weight: 600;
}

.copy-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.copy-btn:hover {
  background: var(--neon-cyan);
  color: var(--bg-primary);
}

.copy-btn.copied {
  background: var(--neon-green);
  border-color: var(--neon-green);
  color: var(--bg-primary);
}

.code-block-container pre {
  margin: 0;
  border-radius: 0 0 8px 8px;
  border-top: none;
}

/* Info Box */
.info-box {
  background: rgba(0, 243, 255, 0.1);
  border: 1px solid rgba(0, 243, 255, 0.3);
  border-left: 4px solid var(--neon-cyan);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.1);
}

.info-box-title {
  font-weight: 600;
  color: var(--neon-cyan);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.info-box-title::before {
  content: 'ℹ';
  font-size: 1.25rem;
}

.warning-box {
  background: rgba(255, 255, 0, 0.1);
  border: 1px solid rgba(255, 255, 0, 0.3);
  border-left: 4px solid var(--neon-yellow);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 0 20px rgba(255, 255, 0, 0.1);
}

.warning-box .info-box-title {
  color: var(--neon-yellow);
}

.warning-box .info-box-title::before {
  content: '⚠';
}

/* Equation Display */
.equation-display {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border: 2px solid var(--neon-purple);
  margin: var(--spacing-md) 0;
  text-align: center;
  font-size: 1.25rem;
}

/* Tabs */
.tabs {
  margin: var(--spacing-lg) 0;
}

.tab-buttons {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.tab-button {
  font-family: var(--font-heading);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
}

.tab-button:hover {
  color: var(--neon-cyan);
}

.tab-button.active {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

/* Grid Layout for Multiple Plots */
.plot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-code);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--neon-cyan);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: var(--spacing-lg) auto;
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted var(--neon-cyan);
  cursor: help;
}

.tooltip .tooltip-text {
  visibility: hidden;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  text-align: center;
  border: 1px solid var(--neon-cyan);
  border-radius: 6px;
  padding: var(--spacing-sm);
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s;
  white-space: nowrap;
  font-size: 0.875rem;
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Exercise Cards */
.exercise-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.exercise-card {
  background: var(--bg-secondary);
  border: 2px solid rgba(0, 243, 255, 0.3);
  border-left: 4px solid var(--neon-cyan);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  position: relative;
}

.exercise-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
  transform: translateX(4px);
}

.exercise-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.exercise-card-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  display: inline-block;
}

.exercise-card-badge.explore {
  background: rgba(0, 243, 255, 0.2);
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
}

.exercise-card-badge.coding {
  background: rgba(255, 0, 255, 0.2);
  color: var(--neon-magenta);
  border: 1px solid var(--neon-magenta);
}

.exercise-card-badge.think {
  background: rgba(255, 255, 0, 0.2);
  color: var(--neon-yellow);
  border: 1px solid var(--neon-yellow);
}

.exercise-card-number {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
}

.exercise-card-content {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 1rem;
}

.exercise-card-content strong {
  display: none; /* Hide the label since we're using badges */
}

/* Responsive behavior */
@media (max-width: 768px) {
  .exercise-card:hover {
    transform: none;
  }
}