/* ===== ADVANCED TIMELINE SYSTEM v2.0 ===== */

/* Metin seçimini engelle (timeline arayüzü) */
.timeline-panel,
.timeline-panel * {
  user-select: none;
  -webkit-user-select: none;
}

/* Form alanları yine seçilebilir/kullanılabilir kalsın */
.timeline-panel input,
.timeline-panel textarea {
  user-select: text;
  -webkit-user-select: text;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  color: var(--text-primary);
  font-size: 13px;
  transform: translateX(120%);
  transition: transform 0.3s ease;
}

.toast.show {
  transform: translateX(0);
}

.toast-success { border-left: 4px solid #2ecc71; }
.toast-success i { color: #2ecc71; }

.toast-warning { border-left: 4px solid #f39c12; }
.toast-warning i { color: #f39c12; }

.toast-info { border-left: 4px solid #3498db; }
.toast-info i { color: #3498db; }

/* Timeline Badge */
.timeline-badge {
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  color: #fff;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
}

/* History Controls */
.history-controls {
  display: flex;
  gap: 4px;
}

/* Timeline Separator */
.tl-separator {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 8px;
}

/* Stop Button */
.stop-btn {
  background: linear-gradient(135deg, #e74c3c, #c0392b) !important;
  border: none !important;
  color: #fff !important;
}

.stop-btn:hover {
  box-shadow: 0 0 15px rgba(231, 76, 60, 0.5);
}

/* Speed Control */
.speed-control {
  position: relative;
}

.speed-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 12px;
  transition: var(--transition);
}

.speed-btn:hover {
  background: var(--accent);
  color: #fff;
}

.speed-dropdown {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  display: none;
  flex-direction: column;
  overflow: hidden;
  margin-bottom: 8px;
  min-width: 80px;
}

.speed-control:hover .speed-dropdown {
  display: flex;
}

.speed-option {
  padding: 8px 16px;
  text-align: center;
  cursor: pointer;
  font-size: 12px;
  transition: var(--transition);
}

.speed-option:hover {
  background: var(--accent);
  color: #fff;
}

.speed-option.active {
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 600;
}

/* Clickable Time Display */
.time-display.clickable {
  cursor: pointer;
}

.time-display.clickable:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
}

/* Markers */
.ruler-markers {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.timeline-marker {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--marker-color, #e74c3c);
  pointer-events: auto;
  cursor: pointer;
  z-index: 5;
}

.timeline-marker::before {
  content: '';
  position: absolute;
  top: 0;
  left: -6px;
  border: 7px solid transparent;
  border-top-color: var(--marker-color, #e74c3c);
}

.timeline-marker:hover {
  width: 3px;
  filter: brightness(1.2);
}

.marker-flag {
  position: absolute;
  top: 14px;
  left: 4px;
  background: var(--marker-color, #e74c3c);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-5px);
  transition: var(--transition);
}

.timeline-marker:hover .marker-flag {
  opacity: 1;
  transform: translateY(0);
}

/* Frame Controls Enhanced */
.frame-controls {
  display: flex;
  gap: 2px;
}

.frame-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 10px;
}

.frame-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Zoom Controls */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

#zoomLevelLabel {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

/* Keyframe States */
.keyframe.selected {
  transform: scale(1.3);
  box-shadow: 0 0 0 3px var(--accent), 0 0 15px var(--accent-glow);
  z-index: 10;
}

.keyframe.copied {
  animation: pulse-copy 0.5s ease;
}

@keyframes pulse-copy {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.5); }
}

/* Track States */
.track-row.selected {
  background: var(--accent-glow);
  border-left: 3px solid var(--accent);
}

.track-row.locked {
  opacity: 0.5;
  pointer-events: none;
}

.track-row.locked::after {
  content: '\f023';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* Playhead Enhanced */
#playhead {
  transition: left 0.016s linear;
}

.playhead-time {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-family: 'Consolas', monospace;
  white-space: nowrap;
}

/* Keyboard Shortcut Hints */
[title]::after {
  content: attr(data-shortcut);
}

.shortcut-hint {
  display: inline-block;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 9px;
  margin-left: 4px;
  color: var(--text-muted);
}



/* Timeline Container */
.timeline-panel {
  height: var(--timeline-h);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Timeline Header */
.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  min-height: 44px;
}

.timeline-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-title i {
  color: var(--accent);
}

/* Timeline Controls */
.timeline-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tl-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 12px;
}

.tl-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tl-btn.active {
  background: var(--accent);
  color: #fff;
}

.tl-btn.play-btn {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  border: none;
  color: #fff;
  font-size: 14px;
}

.tl-btn.play-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Time Display */
.time-display {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Consolas', monospace;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.time-current {
  color: var(--accent);
  font-weight: 600;
  min-width: 50px;
}

.time-separator {
  color: var(--text-muted);
}

.time-total {
  color: var(--text-secondary);
  min-width: 50px;
}

/* Duration Selector */
.duration-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

.duration-selector label {
  font-size: 12px;
  color: var(--text-secondary);
}

.duration-input {
  width: 70px;
  height: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-align: center;
  font-size: 13px;
  font-family: 'Consolas', monospace;
}

.duration-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

/* Timeline Body */
.timeline-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Time Ruler */
.time-ruler {
  height: 28px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-left: 180px;
  overflow: hidden;
  cursor: ew-resize;
  touch-action: none;
}

.ruler-markers {
  position: relative;
  flex: 1;
  height: 100%;
}

.ruler-mark {
  position: absolute;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateX(-50%);
}

.ruler-mark.major {
  height: 100%;
}

.ruler-mark.minor {
  height: 50%;
}

.ruler-mark::after {
  content: '';
  width: 1px;
  flex: 1;
  background: var(--border);
}

.ruler-mark.major::after {
  background: var(--border-light);
}

.ruler-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

/* Playhead */
.playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--danger);
  z-index: 50;
  pointer-events: auto;
  cursor: ew-resize;
  transform: translateX(-50%);
}

.playhead::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--danger);
  border-radius: 50% 50% 50% 0;
  transform: translateX(-50%) rotate(-45deg);
}

.playhead-line {
  position: absolute;
  left: 180px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--danger);
  opacity: 0.7;
  pointer-events: auto;
  cursor: ew-resize;
  z-index: 120;
  touch-action: none;
}

/* Timeline Tracks Container */
.timeline-tracks {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Track Row */
.track-row {
  display: flex;
  height: 40px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.track-row:hover {
  background: var(--bg-hover);
}

.track-row.selected {
  background: rgba(108, 92, 231, 0.1);
}

/* Track Label */
.track-label {
  width: 180px;
  min-width: 180px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-tertiary);
  border-right: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

.track-icon {
  width: 24px;
  height: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--accent);
}

.track-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.track-row:hover .track-actions {
  opacity: 1;
}

.track-action-btn {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.track-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.track-action-btn.delete:hover {
  color: var(--danger);
}

/* Track Timeline Area */
.track-timeline {
  flex: 1;
  position: relative;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 99px,
    var(--border) 99px,
    var(--border) 100px
  );
}

/* Keyframe Bar */
.keyframe-bar {
  position: absolute;
  top: 6px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  border-radius: var(--radius-sm);
  cursor: move;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
  transition: box-shadow 0.15s;
}

.keyframe-bar:hover {
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.5);
}

.keyframe-bar.selected {
  box-shadow: 0 0 0 2px #fff, 0 4px 16px rgba(108, 92, 231, 0.5);
}

.keyframe-bar .bar-label {
  font-size: 10px;
  color: #fff;
  font-weight: 600;
  padding: 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Resize Handles */
.keyframe-bar .resize-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 8px;
  cursor: ew-resize;
}

.keyframe-bar .resize-handle.left {
  left: 0;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.keyframe-bar .resize-handle.right {
  right: 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.keyframe-bar .resize-handle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Keyframe Points */
.keyframe-point {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  background: var(--warning);
  border: 2px solid #fff;
  border-radius: 2px;
  transform: translate(-50%, -50%) rotate(45deg);
  cursor: pointer;
  z-index: 5;
  transition: transform 0.15s, box-shadow 0.15s;
}

.keyframe-point:hover {
  transform: translate(-50%, -50%) rotate(45deg) scale(1.2);
  box-shadow: 0 0 10px var(--warning);
}

.keyframe-point.selected {
  background: var(--danger);
}

/* Empty State */
.timeline-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 12px;
}

.timeline-empty i {
  font-size: 32px;
  opacity: 0.5;
}

.timeline-empty p {
  font-size: 13px;
}

/* Zoom Controls */
.timeline-zoom {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
}

.zoom-slider {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 2px;
  cursor: pointer;
}

.zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

/* Frame Step Controls */
.frame-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.frame-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: var(--transition);
}

.frame-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Snap Toggle */
.snap-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.snap-toggle:hover {
  background: var(--bg-hover);
}

.snap-toggle input {
  display: none;
}

.snap-toggle .snap-indicator {
  width: 32px;
  height: 18px;
  background: var(--border);
  border-radius: 9px;
  position: relative;
  transition: background 0.2s;
}

.snap-toggle .snap-indicator::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.snap-toggle input:checked + .snap-indicator {
  background: var(--accent);
}

.snap-toggle input:checked + .snap-indicator::after {
  transform: translateX(14px);
}

/* Animation Type Colors */
.keyframe-bar[data-type="entry"] {
  background: linear-gradient(135deg, #00b894, #00cec9);
}

.keyframe-bar[data-type="emphasis"] {
  background: linear-gradient(135deg, #fdcb6e, #f39c12);
}

.keyframe-bar[data-type="rotation"] {
  background: linear-gradient(135deg, #e17055, #d63031);
}

.keyframe-bar[data-type="draw"] {
  background: linear-gradient(135deg, #0984e3, #74b9ff);
}

.keyframe-bar[data-type="color"] {
  background: linear-gradient(135deg, #a29bfe, #6c5ce7);
}

.keyframe-bar[data-type="exit"] {
  background: linear-gradient(135deg, #636e72, #2d3436);
}

/* Mode Buttons */
.mode-buttons {
  display: flex;
  gap: 4px;
  padding: 0 8px;
  border-left: 1px solid var(--border);
  margin-left: 8px;
}

.mode-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 11px;
  transition: var(--transition);
}

.mode-btn:hover {
  background: var(--bg-hover);
}

.mode-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Responsive */
@media (max-width: 1200px) {
  .track-label {
    width: 140px;
    min-width: 140px;
  }
  
  .time-ruler {
    padding-left: 140px;
  }
  
  .duration-selector label {
    display: none;
  }
}