/* The primary editor shares one ruler and one pointer surface across lanes. */
.timeline-mount:not(.timeline-mount--compact) .tl-workspace-head {
  display: flex; align-items: center; gap: 12px; margin: 0 0 12px;
}
.tl-workspace-title { margin: 0; font: 500 15px/1.4 var(--font-sans, sans-serif); color: var(--color-text); }
.tl-hover-readout { min-width: 5ch; font-size: var(--font-size-readable); color: var(--color-accent); }
.tl-layout-modes { display: flex; gap: 12px; margin-left: auto; }
.tl-layout-modes button { padding: 5px 1px; border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--color-text-muted); font-size: 12px; white-space: nowrap; }
.tl-layout-modes button[aria-pressed="true"] { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.timeline-mount:not(.timeline-mount--compact) .tl-toolbar { display: flex; flex-wrap: wrap; gap: 9px; margin: 0 0 13px; }
.timeline-mount:not(.timeline-mount--compact) .tl-palette { display: flex; flex-wrap: wrap; gap: 5px; order: 2; width: 100%; }
.timeline-mount:not(.timeline-mount--compact) .tl-tool { padding: 4px 7px; min-height: 28px; font-size: var(--font-size-readable); border-radius: 5px; }
.timeline-mount:not(.timeline-mount--compact) .tl-tool__mins,
.timeline-mount:not(.timeline-mount--compact) .tl-palette__hint { display: none; }
.timeline-mount:not(.timeline-mount--compact) .tl-toolbar__aside { display: flex; flex-wrap: wrap; gap: 10px; width: 100%; justify-content: space-between; }
.timeline-mount:not(.timeline-mount--compact) .tl-armed { order: 3; width: 100%; font-size: var(--font-size-readable); }
.timeline-mount:not(.timeline-mount--compact) .tl-scalewrap { position: relative; padding: 16px 16px 13px; border: 1px solid #2a3744; border-radius: 12px; background: #06090e; }
.timeline-mount:not(.timeline-mount--compact) .tl-scalewrap--lanes { padding-left: 104px; }
.timeline-mount .tl-scale { height: 43px; margin: 0 0 7px; }
.tl-scale__mark { position: absolute; bottom: 0; height: 7px; width: 0; border-left: 1px solid #708398; }
.tl-scale__mark--hour { height: 15px; border-color: #b4c5d5; }
.tl-scale__mark--half { height: 11px; border-color: #93a7ba; }
.tl-scale__label { position: absolute; bottom: 10px; left: 0; transform: translateX(-50%); font-size: var(--font-size-readable); line-height: 1; color: #c1cedb; }
.tl-scale__mark--hour .tl-scale__label { bottom: 22px; font-size: var(--font-size-readable); color: #d0dce8; }
.tl-scale__label--first { transform: none; }
.tl-scale__label--last { transform: translateX(-100%); }
/* Hour text occupies the upper row; now lives below it, above the track. */
.timeline-mount .tl-now-label { top: -22px; line-height: 1; }
/* Hover rules in the observatory sheets must not turn active text white.
   Change ink and pill together rather than transitioning through low contrast. */
.timeline-mount .tl-mode { transition: border-color 140ms ease; }
.timeline-mount .tl-mode--active,
.timeline-mount .tl-mode--active:hover,
.timeline-mount .tl-mode--active:focus-visible { background: #e9edf4; color: #0b0d12; }
.timeline-mount:not(.timeline-mount--compact) .tl-track { border: 0; border-radius: 6px; background: #0c141e; box-shadow: none; overflow: visible; }
.timeline-mount .tl-track::before,
.timeline-mount .tl-track::after { display: none; }
.timeline-mount .tl-tick { display: block; pointer-events: none; }
.timeline-mount .tl-tick--q { display: none; }
.timeline-mount .tl-tick--h { background: #506a80; opacity: .65; }
.timeline-mount .tl-tick--hr { background: #718aa3; opacity: .65; }
.tl-lane-labels { position: absolute; left: 12px; top: 66px; width: 82px; pointer-events: none; }
.tl-lane-label { position: absolute; display: flex; align-items: center; height: 60px; width: 100%; padding-right: 5px; overflow: hidden; text-overflow: ellipsis; font-size: var(--font-size-readable); color: #a9b9c9; }
.tl-lane-divider { position: absolute; left: 0; right: 0; height: 1px; background: #273442; pointer-events: none; }
.timeline-mount .tl-span, .timeline-mount .tl-span:hover {
  background: var(--tl-fill); background-image: none; color: var(--tl-ink); border: 1px solid var(--tl-edge); border-radius: 9px;
  box-shadow: none; filter: none; user-select: none; cursor: grab; transition: outline-color 120ms ease;
}
.timeline-mount:not(.timeline-mount--compact) .tl-span { padding: 10px 12px; min-width: 6px; align-items: flex-start; }
.timeline-mount .tl-span:active { cursor: grabbing; }
.timeline-mount .tl-span--selected, .timeline-mount .tl-span--open { outline: 2px solid var(--color-accent); outline-offset: 2px; z-index: 3; }
.timeline-mount .tl-span:focus-visible { outline: 2px solid #e7fff7; outline-offset: 2px; }
.timeline-mount .tl-span__label { color: inherit; min-width: 0; width: 100%; }
.timeline-mount .tl-span__name { display: flex; gap: 4px; font-size: 12px; font-weight: 600; color: inherit; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.timeline-mount .tl-span__range { display: block; margin-top: 6px; font-size: var(--font-size-readable); color: inherit; opacity: .9; white-space: nowrap; }
.timeline-mount .tl-span__duration { color: inherit; font-size: var(--font-size-readable); position: absolute; right: 12px; bottom: 10px; top: auto; }
.timeline-mount .tl-span--split { cursor: crosshair; }
.tl-resize-grip { position: absolute; top: 0; bottom: 0; width: 12px; display: flex; align-items: center; justify-content: center; cursor: ew-resize; touch-action: none; z-index: 4; }
.tl-resize-grip--start { left: 0; }
.tl-resize-grip--end { right: 0; }
.tl-resize-grip::before { content: ''; width: 4px; height: 15px; border-left: 1px solid var(--tl-edge); border-right: 1px solid var(--tl-edge); }
.tl-hover-line { position: absolute; top: -5px; bottom: 0; width: 0; border-left: 1px dashed #d3e4ed; pointer-events: none; z-index: 5; }
.timeline-mount:not(.timeline-mount--compact) .tl-preview { top: 12px; height: 64px; border-radius: 9px; }
.timeline-mount--compact .tl-scale { height: 32px; }
.timeline-mount--compact .tl-scale__mark--hour .tl-scale__label { bottom: 17px; }
.timeline-mount--compact .tl-scale__label { font-size: var(--font-size-readable); }
.timeline-mount--compact .tl-span { border-radius: 4px; }
.timeline-mount--compact .tl-span__range,
.timeline-mount--compact .tl-span__duration { display: none; }
.timeline-mount--compact .tl-resize-grip { width: 7px; }
.timeline-mount--compact .tl-resize-grip::before { height: 9px; width: 2px; border-right: 0; }
@media (max-width: 600px) {
  .timeline-mount:not(.timeline-mount--compact) .tl-scalewrap { padding: 12px 10px; }
  .timeline-mount:not(.timeline-mount--compact) .tl-scalewrap--lanes { padding-left: 76px; }
  .tl-lane-labels { left: 9px; width: 59px; top: 62px; }
  .tl-layout-modes { gap: 8px; }
  .tl-layout-modes button { font-size: var(--font-size-readable); }
  .timeline-mount:not(.timeline-mount--compact) .tl-span { padding: 8px; }
  .timeline-mount .tl-span__name { font-size: var(--font-size-readable); }
}
@media (prefers-reduced-motion: reduce) { .timeline-mount .tl-span { transition: none; } }
.timeline-mount .tl-bar-label { display: block; min-width: 0; width: 100%; color: inherit; }
.timeline-mount .tl-bar-label .tl-span__name > span:last-child { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.timeline-mount .tl-scalewrap--lanes .tl-span__duration { top: 10px; bottom: auto; padding-right: 0; }

.timeline-mount:not(.timeline-mount--compact) { padding: 0; border: 0; border-radius: 0; background: none; box-shadow: none; }
.timeline-mount:not(.timeline-mount--compact) .tl-workspace-head { border: 0; padding: 0; }
.timeline-mount:not(.timeline-mount--compact) .tl-span__duration { top: 10px; bottom: auto; padding-right: 0; }
.timeline-mount:not(.timeline-mount--compact) .tl-scalewrap--lanes .tl-preview { height: 60px; }
.tl-recovery { margin-top: 16px; padding: 4px 0 4px 12px; border-left: 2px solid var(--color-negative); font-size: 12px; }
.tl-recovery strong { color: var(--color-text); font-weight: 600; }
.tl-recovery p { margin: 6px 0; color: var(--color-text-muted); }
.tl-recovery .tl-recovery__reason { color: var(--color-negative); }
.tl-recovery__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tl-recovery__actions button { padding: 7px 10px; font-size: 12px; }
@media (pointer: coarse) { .tl-recovery__actions button { min-height: 44px; } }
@container timeline-entry (min-width: 150px) {
 .timeline-mount:not(.timeline-mount--compact) .tl-bar-label .tl-span__name { padding-right: 38px; }
}
@container timeline-entry (max-width: 149px) {
 .timeline-mount:not(.timeline-mount--compact) .tl-span__duration { display: none !important; }
}
@container timeline-entry (max-width: 90px) {
 .timeline-mount:not(.timeline-mount--compact) .tl-bar-label .tl-span__range { display: none; }
}