/* Timeline View Styles */

/* Timeline Container */
#timeline-view {
  position: fixed;
  top: 44px; /* Below mode toggle bar */
  left: 0;
  right: 0;
  bottom: 0;
  display: none; /* Hidden by default, shown when timeline mode is active */
  flex-direction: column;
  background: var(--bg-tertiary, #1a1a2e);
  z-index: 50;
}

#timeline-view.visible,
#timeline-view[style*="flex"] {
  display: flex !important;
}

/* Header */
.timeline-header {
  padding: 12px 16px;
  background: var(--bg-secondary, #16162a);
  border-bottom: 1px solid var(--border-color, #2a2a4a);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.timeline-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #e0e0e0);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-title svg {
  width: 18px;
  height: 18px;
  color: var(--accent-color, #4a9eff);
}

/* Filter Toggle Button */
.timeline-filter-toggle {
  background: transparent;
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-secondary, #a0a0b0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.timeline-filter-toggle:hover {
  background: var(--bg-primary, #121225);
  color: var(--text-primary, #e0e0e0);
  border-color: var(--accent-color, #4a9eff);
}

.timeline-filter-toggle svg {
  width: 14px;
  height: 14px;
}

/* Filter Bar */
.timeline-filter-bar {
  padding: 12px 16px;
  background: var(--bg-secondary, #16162a);
  border-bottom: 1px solid var(--border-color, #2a2a4a);
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  max-height: 200px;
  overflow-y: auto;
  transition: max-height 0.3s ease;
}

.timeline-filter-bar.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-bottom: none;
  overflow: hidden;
}

.timeline-filter-section {
  flex: 1;
  min-width: 200px;
}

.timeline-filter-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted, #888);
  margin: 0 0 8px 0;
}

/* Category Checkboxes */
.timeline-category-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-category-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-primary, #121225);
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 12px;
  color: var(--text-secondary, #a0a0b0);
}

.timeline-category-checkbox:hover {
  border-color: var(--accent-color, #4a9eff);
  background: var(--bg-tertiary, #1a1a2e);
}

.timeline-category-checkbox input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent-color, #4a9eff);
  cursor: pointer;
}

.timeline-category-checkbox:has(input:checked) {
  border-color: var(--accent-color, #4a9eff);
  background: rgba(74, 158, 255, 0.1);
  color: var(--text-primary, #e0e0e0);
}

.timeline-category-checkbox input[type="checkbox"]:disabled {
  accent-color: var(--text-muted, #666);
  opacity: 0.5;
}

.timeline-category-label {
  font-weight: 500;
}

.timeline-category-icon {
  font-size: 14px;
}

/* Filter Controls */
.timeline-filter-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.timeline-filter-select {
  background: var(--bg-primary, #121225);
  border: 1px solid var(--border-color, #2a2a4a);
  color: var(--text-primary, #e0e0e0);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 13px;
  min-width: 100px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.timeline-filter-select:hover {
  border-color: var(--accent-color, #4a9eff);
}

.timeline-filter-select:focus {
  outline: none;
  border-color: var(--accent-color, #4a9eff);
  box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

.timeline-search {
  background: var(--bg-primary, #121225);
  border: 1px solid var(--border-color, #2a2a4a);
  color: var(--text-primary, #e0e0e0);
  padding: 6px 10px 6px 32px;
  border-radius: 4px;
  font-size: 13px;
  min-width: 200px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 8px center;
  transition: border-color 0.2s;
}

.timeline-search:hover {
  border-color: var(--accent-color, #4a9eff);
}

.timeline-search:focus {
  outline: none;
  border-color: var(--accent-color, #4a9eff);
  box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

.timeline-search::placeholder {
  color: var(--text-muted, #666);
}

/* Timeline Events List */
.timeline-events {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-events::-webkit-scrollbar {
  width: 6px;
}

.timeline-events::-webkit-scrollbar-track {
  background: var(--bg-secondary, #16162a);
}

.timeline-events::-webkit-scrollbar-thumb {
  background: var(--border-color, #2a2a4a);
  border-radius: 3px;
}

.timeline-events::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted, #666);
}

/* Timeline Event Card */
.timeline-event {
  background: var(--bg-secondary, #16162a);
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.timeline-event::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--event-color, #4a9eff);
}

.timeline-event:hover {
  border-color: var(--accent-color, #4a9eff);
  transform: translateX(2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.timeline-event.severity-critical {
  border-color: var(--color-critical, #ff4757);
}

.timeline-event.severity-critical::before {
  background: var(--color-critical, #ff4757);
}

.timeline-event.severity-warning {
  border-color: var(--color-warning, #ffa502);
}

.timeline-event.severity-warning::before {
  background: var(--color-warning, #ffa502);
}

/* Event Header */
.timeline-event-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
}

.timeline-event-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--event-color-bg, rgba(74, 158, 255, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--event-color, #4a9eff);
}

.timeline-event-icon svg {
  width: 16px;
  height: 16px;
}

.timeline-event-content {
  flex: 1;
  min-width: 0;
}

.timeline-event-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #e0e0e0);
  margin: 0 0 2px 0;
  line-height: 1.3;
}

.timeline-event-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-muted, #888);
}

.timeline-event-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

.timeline-event-zone {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-color, #4a9eff);
}

.timeline-event-person {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Event Details */
.timeline-event-details {
  font-size: 13px;
  color: var(--text-secondary, #a0a0b0);
  margin-top: 6px;
  line-height: 1.4;
}

/* Event Actions */
.timeline-event-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color, #2a2a4a);
}

.timeline-feedback-btn {
  background: transparent;
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted, #888);
  transition: all 0.2s;
}

.timeline-feedback-btn:hover {
  background: var(--bg-primary, #121225);
  color: var(--text-primary, #e0e0e0);
  border-color: var(--text-muted, #666);
}

.timeline-feedback-btn.positive:hover {
  color: var(--color-success, #2ed573);
  border-color: var(--color-success, #2ed573);
}

.timeline-feedback-btn.negative:hover {
  color: var(--color-critical, #ff4757);
  border-color: var(--color-critical, #ff4757);
}

.timeline-feedback-btn svg {
  width: 14px;
  height: 14px;
}

.timeline-feedback-btn.active {
  background: var(--event-color-bg, rgba(74, 158, 255, 0.15));
  border-color: var(--event-color, #4a9eff);
  color: var(--event-color, #4a9eff);
}

.timeline-feedback-btn.active.positive {
  background: rgba(46, 213, 115, 0.15);
  border-color: var(--color-success, #2ed573);
  color: var(--color-success, #2ed573);
}

.timeline-feedback-btn.active.negative {
  background: rgba(255, 71, 87, 0.15);
  border-color: var(--color-critical, #ff4757);
  color: var(--color-critical, #ff4757);
}

.timeline-seek-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--accent-color, #4a9eff);
  transition: all 0.2s;
}

.timeline-seek-btn:hover {
  background: rgba(74, 158, 255, 0.15);
  border-color: var(--accent-color, #4a9eff);
}

.timeline-seek-btn svg {
  width: 14px;
  height: 14px;
}

/* Event Type Colors */
.timeline-event[data-type="zone_entry"] {
  --event-color: #2ed573;
  --event-color-bg: rgba(46, 213, 115, 0.15);
}

.timeline-event[data-type="zone_exit"] {
  --event-color: #ff6b6b;
  --event-color-bg: rgba(255, 107, 107, 0.15);
}

.timeline-event[data-type="portal_crossing"] {
  --event-color: #4a9eff;
  --event-color-bg: rgba(74, 158, 255, 0.15);
}

.timeline-event[data-type="anomaly"] {
  --event-color: #ff4757;
  --event-color-bg: rgba(255, 71, 87, 0.15);
}

.timeline-event[data-type="anomaly_detected"] {
  --event-color: #ff4757;
  --event-color-bg: rgba(255, 71, 87, 0.15);
}

.timeline-event[data-type="security_alert"] {
  --event-color: #ffa502;
  --event-color-bg: rgba(255, 165, 2, 0.15);
}

.timeline-event[data-type="learning_milestone"] {
  --event-color: #a55eea;
  --event-color-bg: rgba(165, 94, 234, 0.15);
}

.timeline-event[data-type="system_event"] {
  --event-color: #747d8c;
  --event-color-bg: rgba(116, 125, 140, 0.15);
}

/* Loading States */
.timeline-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--text-muted, #888);
  font-size: 14px;
  gap: 8px;
}

.timeline-loading-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color, #2a2a4a);
  border-top-color: var(--accent-color, #4a9eff);
  border-radius: 50%;
  animation: timeline-spin 1s linear infinite;
}

@keyframes timeline-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Empty State */
.timeline-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  color: var(--text-muted, #888);
  text-align: center;
}

.timeline-empty svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.timeline-empty h3 {
  font-size: 16px;
  margin: 0 0 8px 0;
  color: var(--text-secondary, #a0a0b0);
}

.timeline-empty p {
  font-size: 13px;
  margin: 0;
  max-width: 300px;
}

/* Load More Button */
.timeline-load-more {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin-top: 8px;
}

.timeline-load-more-btn {
  background: var(--bg-secondary, #16162a);
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 6px;
  padding: 8px 16px;
  color: var(--text-secondary, #a0a0b0);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.timeline-load-more-btn:hover {
  background: var(--bg-primary, #121225);
  border-color: var(--accent-color, #4a9eff);
  color: var(--text-primary, #e0e0e0);
}

.timeline-load-more-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Event Count Badge */
.timeline-count {
  background: var(--accent-color, #4a9eff);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: 8px;
}

/* New Event Animation */
.timeline-event.new-event {
  animation: timeline-slide-in 0.3s ease-out;
}

@keyframes timeline-slide-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Live Indicator */
.timeline-live-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-success, #2ed573);
  padding: 4px 8px;
  background: rgba(46, 213, 115, 0.1);
  border-radius: 4px;
}

.timeline-live-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success, #2ed573);
  border-radius: 50%;
  animation: timeline-pulse 2s ease-in-out infinite;
}

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

/* Feedback dismissed state */
.timeline-event.feedback-dismissed {
  opacity: 0.5;
  pointer-events: none;
}

/* Secondary system events (expert mode - greyed out) */
.timeline-event.secondary {
  opacity: 0.6;
  font-size: 0.9em;
  padding: 8px 12px;
}

.timeline-event.secondary .timeline-event-icon {
  width: 24px;
  height: 24px;
  font-size: 12px;
}

.timeline-event.secondary .timeline-event-title {
  font-size: 13px;
  color: var(--text-secondary, #a0a0b0);
}

.timeline-event.secondary .timeline-event-meta {
  font-size: 11px;
  color: var(--text-muted, #666);
}

.timeline-event.secondary:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .timeline-header {
    flex-direction: column;
    align-items: stretch;
  }

  .timeline-filter-bar {
    flex-direction: column;
    gap: 12px;
  }

  .timeline-filter-section {
    min-width: unset;
  }

  .timeline-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .timeline-filter-select,
  .timeline-search {
    width: 100%;
    min-width: unset;
  }

  .timeline-event {
    padding: 10px;
  }

  .timeline-event-actions {
    flex-wrap: wrap;
  }
}

/* Custom Date Range */
.timeline-custom-date {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 8px;
  background: var(--bg-primary, #121225);
  border-radius: 4px;
}

.timeline-date-input {
  background: var(--bg-secondary, #16162a);
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 4px;
  color: var(--text-primary, #e0e0e0);
  padding: 4px 8px;
  font-size: 12px;
  font-family: inherit;
  flex: 1;
}

.timeline-date-input::-webkit-calendar-picker-indicator {
  filter: invert(0.5);
  cursor: pointer;
}

.timeline-date-separator {
  color: var(--text-muted, #888);
  font-size: 12px;
  padding: 0 4px;
}

.timeline-date-apply-btn {
  background: var(--accent-color, #4a9eff);
  color: var(--bg-primary, #121225);
  border: none;
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.timeline-date-apply-btn:hover {
  background: #3a8ee6;
}