/* Behind the Scenes Sidepanel */
.bts-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.bts-toggle:hover {
  transform: scale(1.1) rotate(5deg);
  background: var(--primary-hover);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.6);
}

.bts-tooltip {
  position: absolute;
  bottom: 120%;
  right: 0;
  background: rgba(15, 16, 22, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 1002;
}

.bts-toggle:hover .bts-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.bts-notification-dot {
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  background: #f43f5e;
  /* Rose-500 */
  border: 2px solid var(--bg-color);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0);
  transition: all 0.3s ease;
}

.bts-notification-dot.active {
  opacity: 1;
  transform: scale(1);
  animation: notificationPulse 2s infinite;
}

@keyframes notificationPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(244, 63, 94, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(244, 63, 94, 0);
  }
}

.bts-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 380px;
  height: 100vh;
  background: rgba(15, 16, 22, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--glass-border);
  z-index: 1001;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.bts-panel.show {
  transform: translateX(-400px);
}

.bts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1rem;
}

.bts-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bts-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bts-content {
  flex: 1;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.bts-content::-webkit-scrollbar {
  width: 4px;
}

.bts-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.bts-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  opacity: 0.4;
  transition: all 0.3s ease;
  cursor: pointer;
  display: none;
  /* Hidden by default */
}

/* Contextual Visibility Logic */
.bts-panel[data-state="welcome"] .bts-card[data-bts="default"],
.bts-panel[data-state="welcome"] .bts-card[data-bts="status"],
.bts-panel[data-state="welcome"] .bts-card[data-bts="prewarm"] {
  display: block;
}

.bts-panel[data-state="staged"] .bts-card[data-bts="default"],
.bts-panel[data-state="staged"] .bts-card[data-bts="status"],
.bts-panel[data-state="staged"] .bts-card[data-bts="proactive-1"],
.bts-panel[data-state="staged"] .bts-card[data-bts="empathetic-ui"],
.bts-panel[data-state="staged"] .bts-card[data-bts="empathetic-ai"],
.bts-panel[data-state="staged"] .bts-card[data-bts="chameleon"],
.bts-panel[data-state="staged"] .bts-card[data-bts="proactive-2"],
.bts-panel[data-state="staged"] .bts-card[data-bts="temporal"],
.bts-panel[data-state="staged"] .bts-card[data-bts="morph"],
.bts-panel[data-state="staged"] .bts-card[data-bts="guidance"],
.bts-panel[data-state="staged"] .bts-card[data-bts="shortcuts"],
.bts-panel[data-state="staged"] .bts-card[data-bts="versioning"] {
  display: block;
}

.bts-panel[data-state="composition"] .bts-card[data-bts="default"],
.bts-panel[data-state="composition"] .bts-card[data-bts="status"],
.bts-panel[data-state="composition"] .bts-card[data-bts="fallback"],
.bts-panel[data-state="composition"] .bts-card[data-bts="focus"],
.bts-panel[data-state="composition"] .bts-card[data-bts="versioning"] {
  display: block;
}

.bts-card.active {
  opacity: 1;
  transform: scale(1);
  filter: grayscale(0);
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.bts-card.simulate-fail-active {
  border-color: rgba(245, 158, 11, 0.5);
  background: rgba(245, 158, 11, 0.1);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.15);
}

.bts-card.simulate-fail-active .toggle-label {
  color: var(--warning);
  font-weight: 600;
}

.bts-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bts-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 500px) {
  .bts-panel {
    width: 100%;
    right: -100%;
  }

  .bts-panel.show {
    transform: translateX(-100%);
  }
}

/* Success Overlay */
#success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  /* Increased dimming */
  backdrop-filter: blur(12px);
  /* Increased blur */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

#success-overlay:not(.hidden) {
  opacity: 1;
  pointer-events: all;
}

.success-content {
  width: 90%;
  max-width: 450px;
  padding: 3.5rem 2.5rem;
  text-align: center;
  border-radius: var(--radius-lg);
  background: rgba(20, 20, 30, 0.85);
  /* Stronger dark glass */
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#success-overlay:not(.hidden) .success-content {
  transform: translateY(0);
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 10px var(--primary-light));
}

.success-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.success-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

.demo-disclosure {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-disclosure strong {
  color: var(--primary-light);
}

#success-close {
  padding: 0.85rem 3rem;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
  background: var(--primary-color);
  color: white;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}

#success-close:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

/* BTS Toggles and Metrics */
.bts-card-controls {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toggle-switch {
  display: flex;
  align-items: center;
  cursor: pointer;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  user-select: none;
}

.toggle-switch input {
  display: none;
}

.toggle-switch .slider {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  transition: .4s;
}

.toggle-switch .slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

.toggle-switch input:checked+.slider {
  background-color: var(--primary-color);
}

.toggle-switch input:checked+.slider:before {
  transform: translateX(16px);
}

.bts-metric {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: monospace;
}

.bts-metric span {
  font-weight: 700;
  color: var(--success);
}

.bts-metric span.metric-lost {
  color: var(--error);
}

[data-bts="temporal"] .bts-metric span {
  color: var(--warning);
}

/* --- Dual-handle Range Slider --- */
.temporal-controls {
  margin-top: 15px;
}

.range-slider {
  position: relative;
  width: 100%;
  height: 24px;
}

.range-slider-track {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 4px;
  width: 100%;
  background-color: var(--card-bg);
  border-radius: 4px;
  z-index: 1;
}

.range-slider-fill {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 4px;
  background-color: var(--primary-color);
  opacity: 0.3;
  z-index: 2;
  border-radius: 4px;
}

.range-slider-latest {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background-color: var(--primary-color);
  border-radius: 50%;
  z-index: 3;
  box-shadow: 0 0 5px var(--primary-color);
  transition: left 0.3s ease;
}

.range-slider-latest.hidden {
  display: none;
}

.range-slider input[type=range] {
  position: absolute;
  pointer-events: none;
  -webkit-appearance: none;
  appearance: none;
  z-index: 4;
  height: 100%;
  width: 100%;
  background: transparent;
  margin: 0;
  top: 0;
}

.range-slider input[type=range]::-webkit-slider-thumb {
  pointer-events: all;
  width: 16px;
  height: 16px;
  -webkit-appearance: none;
  background-color: var(--primary-color);
  border-radius: 50%;
  cursor: grab;
  /* Visual tweak to better center thumb vertically */
  margin-top: 5px;
}

.range-slider input[type=range]::-moz-range-thumb {
  pointer-events: all;
  width: 16px;
  height: 16px;
  background-color: var(--primary-color);
  border-radius: 50%;
  cursor: grab;
  border: none;
}

.range-slider input[type=range]:active::-webkit-slider-thumb {
  cursor: grabbing;
}

.range-bounds {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  font-size: 0.65rem;
  color: var(--text-color);
  opacity: 0.6;
}

.range-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-color);
  opacity: 0.8;
}

.range-current-value {
  font-weight: 500;
}

.val-mono {
  font-family: monospace;
  font-weight: 600;
  color: var(--warning);
}

.reset-slider-btn {
  background: none;
  border: none;
  padding: 4px;
  margin: 0;
  color: var(--text-color);
  opacity: 0.5;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s, transform 0.3s ease;
  border-radius: 4px;
  position: relative;
}

.reset-slider-btn:hover {
  opacity: 1;
  background-color: var(--hover-color);
}

.reset-slider-btn:active {
  transform: rotate(-45deg);
}

/* Tooltip on hover */
.reset-slider-btn::after {
  content: attr(title);
  position: absolute;
  top: -24px;
  right: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.reset-slider-btn:hover::after {
  opacity: 1;
}

/* App Footer */
.app-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.footer-actions .btn {
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
}

/* Mobile Responsiveness specifically for AI Status Header */
@media (max-width: 550px) {
  .ai-status-header {
    gap: 0.5rem;
  }

  .status-badge-container {
    justify-content: flex-end;
    flex: 1;
  }

  .progress-container {
    max-width: 100%;
    justify-content: center;
  }

  .badge {
    height: auto;
    white-space: normal;
    text-align: center;
  }
}