.tm-timeline { padding: 22px; }
.tm-timeline fieldset { padding: 0; margin: 0; border: 0; min-width: 0; }
.tm-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.tm-timeline button:disabled { cursor: not-allowed; }
.tm-timeline label { display: grid; gap: 6px; color: #616771; font-size: 13px; min-width: 0; }
.tm-timeline input:not([type=range]), .tm-timeline select { box-sizing: border-box; width: 100%; min-width: 0; height: 44px; color: #252a31; background: #fff; border: 1px solid #d9d7d1; border-radius: 7px; padding: 8px 10px; font: inherit; font-size: 16px; font-variant-numeric: tabular-nums; caret-color: #af4d12; }
.tm-timeline [aria-invalid=true] { border-color: #ba3028 !important; background: #fff6f5 !important; }
.tm-timeline button { min-height: 44px; }
.tm-time-heading { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.tm-time-heading h2 { margin: 0; font: 600 24px/1.2 SourceSans3, 'Segoe UI', sans-serif; }
.tm-time-heading output { font-size: 15px; color: #616771; font-variant-numeric: tabular-nums; }
.tm-time-heading #now { margin-left: auto; }
.tm-clock-fields { display: grid; grid-template-columns: minmax(240px, 330px); gap: 16px; }
.tm-timeline .tm-slider-wrap { margin: 22px 0 14px; }
.tm-timeline input[type=range] { width: 100%; min-height: 44px; margin: 0; cursor: ew-resize; touch-action: none; }
.tm-time-ticks { position: relative; height: 30px; margin: 0 10px; color: #616771; font-size: 12px; font-variant-numeric: tabular-nums; }
.tm-time-ticks span { position: absolute; top: 0; transform: translateX(-50%); white-space: nowrap; padding-top: 10px; }
.tm-time-ticks span::before { content: ''; position: absolute; top: 0; left: 50%; height: 6px; border-left: 1px solid #d9d7d1; }
.tm-time-ticks span:first-child { transform: none; }
.tm-time-ticks span:last-child { transform: translateX(-100%); }
.tm-time-transport { display: grid; grid-template-columns: auto 155px minmax(160px, 1fr); align-items: end; gap: 16px; }
.tm-time-transport .tm-playback { margin: 0; min-height: 48px; gap: 4px; }
.tm-time-transport p { margin: 0 0 3px; color: #616771; font-size: 13px; line-height: 1.5; max-width: 50ch; }
.tm-time-options { margin-top: 8px; }
.tm-time-options summary { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 12px; min-height: 44px; font-size: 13px; list-style: none; }
.tm-time-options summary::-webkit-details-marker { display: none; }
.tm-time-options summary::before { content: ''; width: 6px; height: 6px; border-right: 1.5px solid; border-bottom: 1.5px solid; transform: rotate(45deg); margin: -4px 4px 0 2px; }
.tm-time-options[open] summary::before { transform: rotate(225deg); margin-top: 4px; }
.tm-time-options summary span { color: #616771; }
.tm-time-options > div { display: grid; grid-template-columns: minmax(150px, 220px) minmax(170px, 220px); gap: 16px; padding: 8px 0 16px; }
.tm-period-heading { display: flex; align-items: baseline; gap: 14px; margin: 12px 0; padding-top: 16px; border-top: 1px solid #e6e4df; }
.tm-period-heading h3 { margin: 0; font-size: 16px; font-weight: 600; }
.tm-period-heading span { color: #616771; font-size: 13px; }
.tm-window-controls { display: grid; grid-template-columns: minmax(290px, 480px) minmax(230px, 285px) auto; justify-content: space-between; gap: 18px; align-items: end; }
.tm-period-presets { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #d9d7d1; border-radius: 9px; overflow: hidden; }
.tm-period-presets button { background: #fff; border: 0; border-right: 1px solid #e6e4df; padding: 9px 10px; color: #252a31; font: 600 14px 'Segoe UI', sans-serif; cursor: pointer; }
.tm-period-presets button:last-child { border-right: 0; }
.tm-period-presets button[aria-pressed=true] { color: #af4d12; background: #fff4eb; box-shadow: inset 0 -2px #ec7529; }
.tm-period-presets button:focus-visible { outline-offset: -4px; }
.tm-period-navigation { display: flex; gap: 8px; }
.tm-period-navigation .tm-button { gap: 4px; padding-inline: 10px; }
.tm-range-fields { display: grid; grid-template-columns: 1fr 1fr auto; gap: 16px; align-items: end; margin-top: 16px; }
.tm-period-info { margin: 12px 0 0; color: #616771; font-size: 13px; font-variant-numeric: tabular-nums; }
.tm-time-status { color: #616771; font-size: 14px; margin: 12px 0 0; line-height: 1.5; }
.tm-timeline .tm-time-error { margin: 12px 0 0; color: #ba3028; font-size: 14px; }
.tm-time-status:empty, .tm-time-error:empty { display: none; }
.tm-time-coverage { font-size: 12px; line-height: 1.5; color: #616771; margin: 18px 0 0; }
.tm-timeline #fit-period { margin-top: 10px; }
.tm-timeline fieldset:disabled { opacity: .6; }
.tm-timeline ::selection { background: #ffe0c6; color: #252a31; }
.tm-map-time-dock { min-width: 0; margin: 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; }
.tm-map-time-dock:disabled { opacity: .6; }
.tm-map-settings { margin-top: 14px; }
.tm-map-settings > summary { display: flex; align-items: center; gap: 8px 12px; flex-wrap: wrap; min-height: 44px; font-weight: 600; list-style: none; }
.tm-map-settings > summary::-webkit-details-marker { display: none; }
.tm-map-settings > summary::after { content: ''; width: 6px; height: 6px; border-right: 1.5px solid; border-bottom: 1.5px solid; transform: rotate(45deg); margin-left: auto; margin-top: -4px; }
.tm-map-settings[open] > summary::after { transform: rotate(225deg); margin-top: 4px; }
.tm-map-settings > summary span { color: var(--muted); font-weight: 400; font-size: 14px; }
.tm-map-settings > div { padding-top: 12px; }
.tm-map-settings .tm-clock-fields { margin-bottom: 14px; }
.tm-map-settings summary, .tm-timeline button { touch-action: manipulation; -webkit-user-select: none; user-select: none; }
.tm-timeline button:active { background-color: var(--orange-soft); }
@media (hover: hover) { .tm-period-presets button:hover { background: #fbfaf7; } .tm-period-presets button[aria-pressed=true]:hover { background: #ffe9d8; } }
@media (max-width: 1200px) {
  .tm-window-controls { grid-template-columns: minmax(280px, 1fr) minmax(230px, 1fr); }
  .tm-period-navigation { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .tm-timeline { padding: 18px 14px; }
  .tm-time-heading { gap: 8px 12px; }
  .tm-time-heading h2 { font-size: 23px; }
  .tm-time-heading output { display: none; }
  .tm-clock-fields { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .tm-time-transport { grid-template-columns: auto minmax(110px, 1fr); gap: 10px 12px; }
  .tm-time-transport .tm-playback { grid-column: 1; grid-row: 1; justify-content: center; }
  .tm-time-transport .tm-icon-button { width: 44px; }
  .tm-time-transport p { grid-column: 1 / -1; font-size: 12px; }
  .tm-time-options summary span { flex-basis: 100%; margin-left: 20px; }
  .tm-time-options > div { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .tm-keyboard-help { display: none; }
  .tm-period-heading { align-items: start; flex-direction: column; gap: 4px; }
  .tm-window-controls, .tm-range-fields { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .tm-period-presets button { padding-inline: 4px; }
  .tm-period-navigation .tm-button { flex: 1; justify-content: center; }
  .tm-time-ticks span[data-minor=true] { visibility: hidden; }
  .tm-time-ticks { font-size: 11px; }
  .tm-time-coverage { font-size: 12px; }
}
@media (max-width: 860px) {
  .tm-map-time-dock { padding: 10px 14px 12px; }
  .tm-map-time-dock .tm-time-heading { margin: 0; gap: 8px; flex-wrap: nowrap; }
  .tm-map-time-dock .tm-time-heading h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .tm-map-time-dock .tm-time-heading output { display: block; flex: 1; min-width: 0; font-size: 14px; color: var(--ink); }
  .tm-map-time-dock .tm-slider-wrap { margin: 2px 0 8px; }
  .tm-map-time-dock .tm-time-transport { grid-template-columns: auto minmax(110px, 155px); align-items: center; justify-content: space-between; gap: 12px; }
  .tm-map-time-dock .tm-time-transport p { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .tm-map-time-dock .tm-time-transport .tm-icon-button { width: 44px; }
  .tm-map-time-dock button { touch-action: manipulation; }
  .tm-map-time-dock .tm-map-settings { margin-top: 8px; border-top: 1px solid var(--line); padding-top: 4px; }
  .tm-map-time-dock .tm-map-settings > summary { font-size: 14px; }
  .tm-map-time-dock .tm-map-settings > summary span { font-size: 13px; }
  .tm-map-time-dock .tm-map-settings .tm-clock-fields { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 620px) {
  .tm-stage { height: 440px; height: clamp(280px, calc(100svh - 230px), 440px); }
}