/* Bobiverse Timeline – spoiler-safe */

:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --axis: #f0c674;
  --lane-stroke: #30363d;
  --dot-bob: #79c0ff;
  --dot-bill: #d2a8ff;
  --dot-riker: #7ee787;
  --dot-other: #ffa657;
  --branch: #f85149;
}

* {
  box-sizing: border-box;
}

/* Hide scrollbars by default; show only on sidebar events list */
* {
  scrollbar-width: none;
}
*::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.event-list-pane.show-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: var(--lane-stroke) var(--surface);
}
.event-list-pane.show-scrollbar::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
.event-list-pane.show-scrollbar::-webkit-scrollbar-track {
  background: var(--surface);
  border-radius: 4px;
}
.event-list-pane.show-scrollbar::-webkit-scrollbar-thumb {
  background: var(--lane-stroke);
  border-radius: 4px;
  border: 2px solid var(--surface);
}
.event-list-pane.show-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}
.event-list-pane.show-scrollbar::-webkit-scrollbar-corner {
  background: var(--surface);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.header {
  flex-shrink: 0;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--lane-stroke);
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.header h1 {
  margin: 0 0 0.25rem 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.subtitle {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.filter-toggle {
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--lane-stroke);
  border-radius: 999px;
  cursor: pointer;
}

.filter-toggle:hover {
  border-color: var(--accent);
}

.controls {
  flex-shrink: 0;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: flex-end;
  border-bottom: 1px solid var(--lane-stroke);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.control-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

select {
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--lane-stroke);
  border-radius: 6px;
  min-width: 10rem;
}

select:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--text);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  margin: 0;
}
.checkbox-label:has(input:disabled) {
  color: var(--text-muted);
  cursor: default;
}

.book-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.book-checkboxes .checkbox-label {
  margin: 0;
}

.filter-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

#filter-bob {
  min-width: 14rem;
}

.main {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.event-list-pane {
  width: 280px;
  min-width: 280px;
  min-height: 0;
  padding: 1rem;
  border-right: 1px solid var(--lane-stroke);
  overflow-y: auto;
  background: var(--surface);
}

.event-list-pane h2 {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
}

#event-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

#event-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--lane-stroke);
  font-size: 0.8125rem;
  cursor: pointer;
}

#event-list li .event-desc {
  display: block;
}

#event-list li:hover,
#event-list li.highlight {
  color: var(--accent);
}

#event-list li.selected {
  background: rgba(88, 166, 255, 0.12);
  border-left: 3px solid var(--accent);
  padding-left: 0.5rem;
  margin-left: -0.5rem;
}

#event-list li .event-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

#event-list li .event-order {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  opacity: 0.85;
  margin-top: 0.15rem;
}

.no-events {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0.5rem 0 0 0;
}

.hidden {
  display: none !important;
}

.no-events.hidden {
  display: none;
}

.timeline-container {
  flex: 1;
  min-height: 0;
  padding: 1rem;
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  touch-action: none;
}

.timeline-viz {
  display: flex;
  flex: 1;
  min-height: 0;
}

.timeline-labels {
  width: 120px;
  flex-shrink: 0;
  overflow: visible;
}

.timeline-labels-svg {
  display: block;
}

.timeline-chart-wrap {
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow-x: auto;
  overflow-y: visible;
  cursor: grab;
  touch-action: none;
}

.timeline-container.dragging,
.timeline-chart-wrap.dragging {
  cursor: grabbing;
  user-select: none;
}

.timeline-viz {
  min-height: 400px;
}

.timeline-viz svg {
  display: block;
}

.timeline-viz .event-dot {
  cursor: pointer;
}

.timeline-viz .event-death {
  fill: #e53935;
  stroke: #b71c1c;
  stroke-width: 1;
}

.timeline-viz .event-dot:hover {
  filter: brightness(1.2);
}

.timeline-viz .event-dot.highlight {
  filter: brightness(1.4);
  stroke: var(--text);
  stroke-width: 2;
}

.tooltip {
  position: fixed;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--lane-stroke);
  border-radius: 6px;
  font-size: 0.8125rem;
  max-width: 320px;
  pointer-events: none;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.tooltip .tooltip-line {
  margin-bottom: 0.25rem;
}
.tooltip .tooltip-line:last-child {
  margin-bottom: 0;
}
.tooltip .tooltip-line strong {
  margin-right: 0.35rem;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.zoom-controls button {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--lane-stroke);
  border-radius: 4px;
  cursor: pointer;
}
.zoom-controls button:hover {
  border-color: var(--accent);
}
.timeline-viz .event-dot.highlight {
  stroke: var(--text);
  stroke-width: 2;
}

.events-toggle {
  display: none;
}

@media (max-width: 768px) {
  .header {
    position: relative;
    z-index: 25;
  }

  .filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
  }

  .controls {
    display: none;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    z-index: 25;
    background: var(--bg);
  }

  body.filters-open .controls {
    display: flex;
  }

  .main {
    flex-direction: column;
  }

  .event-list-pane {
    position: fixed;
    top: 4.25rem;
    bottom: 0;
    left: 0;
    width: 80vw;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 20;
  }

  body.events-open .event-list-pane {
    transform: translateX(0);
  }

  .timeline-container {
    padding-top: 0.75rem;
  }

  .events-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 50%;
    left: 0.5rem;
    transform: translateY(-50%);
    z-index: 15;
    width: 2rem;
    height: 2.5rem;
    padding: 0;
    font-size: 1rem;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--lane-stroke);
    border-left-width: 0;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    transition: left 0.2s ease;
  }

  body.events-open .events-toggle {
    left: calc(min(80vw, 320px) - 2rem);
    border-left-width: 1px;
    border-right-width: 0;
    border-radius: 6px 0 0 6px;
  }

  .timeline-container.dragging .events-toggle,
  .timeline-chart-wrap.dragging .events-toggle {
    opacity: 0.4;
  }
}

@media (min-width: 769px) {
  .filter-toggle {
    display: none;
  }

  .events-toggle {
    display: none;
  }
}