@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&display=swap');

:root {
  --paper: #050816;
  --ink: #e7efff;
  --terra: #ff5b5b;
  --olive: #65d9ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Sora', sans-serif;
}

header {
  padding: 18px 6vw 10px;
  border-top: 7px solid var(--terra);
}

h1 {
  margin: 8px 0;
  font: 500 clamp(32px, 4vw, 52px)/1.06 'Sora', sans-serif;
}

h1 em {
  color: var(--terra);
  font-style: normal;
}

.controls {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  padding: 18px 6vw;
  border-block: 1px solid #38507a4d;
  background: #05081638;
  backdrop-filter: blur(10px);
}

button,
select {
  padding: 10px 14px;
  border: 1px solid #39547c;
  border-radius: 3px;
  background: #0c1730;
  color: var(--ink);
  font: 11px 'Sora', sans-serif;
  cursor: pointer;
}

button.active,
.play {
  border-color: var(--ink);
  background: var(--ink);
  color: #071025;
  box-shadow: 0 0 14px #65d9ff55;
}

button:hover,
select:hover { border-color: var(--terra); }

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid #ff5b5b80;
  outline-offset: 3px;
}

.play { margin-left: auto; }

.date-live {
  min-height: 45px;
  padding: 0 6vw 13px;
  color: var(--terra);
  font: 500 24px/1.2 'Sora', sans-serif;
  text-shadow: 0 0 18px #ff5b5b88;
}

.timeline-shell {
  display: flex;
  align-items: flex-start;
  min-width: 0;
}

.viewport {
  height: calc(100vh - 190px);
  min-height: 420px;
  flex: 1;
  overflow: auto;
  padding: 0 0 35px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.viewport::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.chart {
  position: relative;
  min-width: 100%;
  overflow: visible;
  transform: translateZ(0);
}

/* Sized in screen pixels: contain the unscaled child so it cannot inflate scroll
   bounds when zooming out. Existing chart padding reserves space for labels. */
.ios-chart-shell {
  position: relative;
  overflow: hidden;
}
.chart.ios-scaled {
  position: absolute;
  left: 0;
  top: 0;
  min-width: 0;
  transform-origin: top left;
}

.chart > #labels {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.week-model-group {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
/* Group transforms must not trap expanded hover/focus markers under runners. */
.week-model-group:has(.model-label:hover, .model-label:focus-visible) { z-index: 31; }

svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.range-vertical {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 12;
  display: block;
  width: 86px;
  height: 100%;
  min-height: 0;
  padding: 0;
  background: #050816cc;
  font: var(--range-font-size, 9px)/1 'Sora', sans-serif;
  letter-spacing: .8px;
}

.range-vertical input {
  position: absolute;
  top: var(--timeline-top, 180px);
  left: 29px;
  width: 28px;
  height: calc(100% - var(--timeline-top, 180px) - var(--timeline-bottom, 150px));
  min-height: 0;
  appearance: slider-vertical;
  direction: rtl;
  writing-mode: vertical-lr;
  accent-color: var(--terra);
  cursor: pointer;
}

.range-vertical .range-track { display: none; }
.range-vertical.timeline-slider input {
  opacity: 0;
  pointer-events: none;
}
.range-vertical.timeline-slider .range-track {
  position: absolute;
  top: var(--timeline-top, 180px);
  left: var(--slider-center-x, 43px);
  display: block;
  width: var(--slider-hit-width, 28px);
  height: calc(100% - var(--timeline-top, 180px) - var(--timeline-bottom, 150px));
  transform: translateX(-50%);
  touch-action: none;
  cursor: grab;
}
.range-vertical.timeline-slider .range-track:active { cursor: grabbing; }
.range-vertical.timeline-slider .range-track::before {
  position: absolute;
  inset: 0 auto 0 50%;
  width: var(--slider-track-width, 10px);
  transform: translateX(-50%);
  background: repeating-linear-gradient(to bottom, #fff 0 var(--slider-dash-on, 4px), transparent var(--slider-dash-on, 4px) var(--slider-dash-period, 10px));
  opacity: .28;
  content: "";
}
.range-track-fill {
  position: absolute;
  top: 0;
  left: 50%;
  width: var(--slider-track-width, 10px);
  height: 100%;
  transform: translateX(-50%);
  background: var(--month-fill-gradient, repeating-linear-gradient(to bottom, var(--terra) 0 var(--slider-dash-on, 4px), transparent var(--slider-dash-on, 4px) var(--slider-dash-period, 10px)));
  -webkit-mask-image: repeating-linear-gradient(to bottom, #000 0 var(--slider-dash-on, 4px), transparent var(--slider-dash-on, 4px) var(--slider-dash-period, 10px));
  mask-image: repeating-linear-gradient(to bottom, #000 0 var(--slider-dash-on, 4px), transparent var(--slider-dash-on, 4px) var(--slider-dash-period, 10px));
  clip-path: inset(100% 0 0 0);
  pointer-events: none;
}
.range-track-thumb {
  position: absolute;
  top: 0;
  left: 50%;
  width: var(--slider-thumb-size, 26px);
  height: var(--slider-thumb-size, 26px);
  transform: translate(-50%, -50%);
  border: var(--slider-thumb-border-width, 2px) solid #fff;
  border-radius: 50%;
  background: var(--terra);
  box-shadow: 0 0 8px #ff5b5baa;
  pointer-events: none;
}
.range-vertical.timeline-slider:focus-within .range-track {
  outline: 2px solid var(--terra);
  outline-offset: 3px;
}

.range-vertical #rangeEnd {
  position: absolute;
  top: calc(var(--timeline-top, 180px) - 22px);
  left: 8px;
}

.range-vertical #rangeStart {
  position: absolute;
  bottom: calc(var(--timeline-bottom, 150px) - 24px);
  left: 8px;
}
.range-vertical.timeline-slider #rangeStart,
.range-vertical.timeline-slider #rangeEnd {
  display: none;
}

.range-vertical #sliderDate {
  position: absolute;
  top: 0;
  left: var(--slider-center-x, 43px);
  color: var(--terra);
  width: max-content;
  white-space: pre;
  text-align: center;
  font: var(--slider-font-size, 10px)/1 'Sora', sans-serif;
  text-shadow: 0 0 6px #ffffffcc, 0 0 14px #ffffff80, 0 0 22px #ffffff40;
  pointer-events: none;
}
.range-vertical.timeline-slider #sliderDate {
  left: var(--slider-center-x, 43px);
  font-size: var(--slider-date-font-size, 30px);
  font-weight: 600;
  transform: translate(-50%, calc(-100% - var(--slider-date-offset, 19px)));
}

.model-label {
  position: absolute;
  z-index: 4;
  display: flex;
  width: var(--model-node-size, 28px);
  height: var(--model-node-size, 28px);
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  transform: translate(-50%, -50%);
  appearance: none;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  color: transparent;
  font-size: 0;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 600ms ease-in-out, width .25s, height .25s, box-shadow .25s, color .2s;
}

.model-label.visible {
  opacity: 1;
  pointer-events: auto;
}

.model-label.visible.outside-week { opacity: .2; }
.model-event-mark { transition: opacity 600ms ease-in-out; }

.model-label.primary {
  width: var(--model-primary-size, 55.2px);
  height: var(--model-primary-size, 55.2px);
  overflow: visible;
  border-width: 0;
  border-color: var(--terra);
  box-shadow: none;
}

.model-label.primary::before {
  content: "";
  position: absolute;
  inset: 0;
  border: var(--model-primary-border-size, 1px) solid #2dd4bf;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 600ms ease-in-out;
  pointer-events: none;
}
.primary-orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: primary-orbit 5s linear infinite;
  animation-play-state: paused;
  opacity: 0;
  transition: opacity 600ms ease-in-out;
}
.primary-orbit::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: var(--model-primary-orbit-dot-size, 3px);
  height: var(--model-primary-orbit-dot-size, 3px);
  border-radius: 50%;
  background: #2dd4bf;
  transform: translate(-50%, -50%);
}
.model-label.primary.visible:not(.outside-week)::before { opacity: 1; }
.model-label.primary.visible:not(.outside-week) .primary-orbit {
  opacity: 1;
  animation-play-state: running;
}
.chart.tab-hidden .primary-orbit { animation-play-state: paused !important; }
@keyframes primary-orbit { to { transform: rotate(360deg); } }

.model-label.visible:hover,
.model-label.visible:focus-visible {
  z-index: 30;
  width: var(--model-hover-size, 134px);
  height: var(--model-hover-size, 134px);
  padding: var(--model-hover-padding, 13px);
  overflow-wrap: anywhere;
  background: #0d1730;
  box-shadow: none;
  color: var(--ink);
  font: 600 var(--model-hover-font-size, 10px)/1.22 'Sora', sans-serif;
}

.model-label.primary.visible:hover,
.model-label.primary.visible:focus-visible {
  border-width: 0;
  font-size: var(--model-primary-hover-font-size, 11px);
}

.model-label .company-icon,
.model-label .company-fallback {
  width: var(--model-icon-size, 23.76px);
  height: var(--model-icon-size, 23.76px);
  flex: 0 0 var(--model-icon-size, 23.76px);
}

.model-label .company-icon {
  display: block;
  object-fit: contain;
}

.model-label .company-fallback {
  display: grid;
  place-items: center;
  color: var(--ink);
  font: 700 8px/1 'Sora', sans-serif;
}

.model-label.primary .company-icon,
.model-label.primary .company-fallback,
.model-label.primary.visible:hover .company-icon,
.model-label.primary.visible:focus-visible .company-icon {
  width: var(--model-primary-icon-size, 39.6px);
  height: var(--model-primary-icon-size, 39.6px);
  flex-basis: var(--model-primary-icon-size, 39.6px);
}

.model-label .model-name { display: none; }

.model-label.visible:hover .model-name,
.model-label.visible:focus-visible .model-name {
  display: block;
  margin-top: var(--model-name-gap, 5px);
}

.model-label small { display: none; }

.model-label.visible:hover small,
.model-label.visible:focus-visible small {
  display: block;
  margin-top: var(--model-name-gap, 5px);
  color: #9bb0d1;
  font: var(--model-small-font-size, 7px)/1.2 'Sora', sans-serif;
  letter-spacing: .7px;
  text-transform: uppercase;
}

.company-head {
  position: absolute;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: var(--company-gap, 4px);
  align-items: center;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.company-head strong {
  color: var(--ink);
  font: 700 var(--company-font-size, 11px)/1 'Sora', sans-serif;
  letter-spacing: var(--company-letter-spacing, .8px);
  text-transform: uppercase;
}

.company-head img,
.company-head .company-head-fallback {
  width: var(--company-logo-size, 25px);
  height: var(--company-logo-size, 25px);
}

.company-head img { object-fit: contain; }

.company-head .company-head-fallback {
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 700 var(--company-fallback-font-size, 8px)/1 'Sora', sans-serif;
}

.company-head img,
.model-label .company-icon {
  border-radius: 50%;
  background: #f7f9ff;
  padding: 2px;
  box-shadow: none;
}

.model-label .company-icon.runner-logo-white { background: transparent; }

.runner-final-name {
  position: absolute;
  z-index: 9;
  width: max-content;
  max-width: none;
  transform: translate(calc(-100% - 4px), -50%) rotate(-90deg);
  transform-origin: 100% 50%;
  color: var(--ink);
  font: 600 var(--runner-name-font-size, 17px)/1.1 'Sora', sans-serif;
  text-align: center;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  text-shadow: 0 0 10px #65d9ffaa;
}

.runner-final-name.visible { opacity: 1; }

.timeline-runner-name {
  width: max-content;
  max-width: none;
  transform: rotate(-90deg) translateY(-50%);
  transform-origin: 0 0;
  font-size: var(--runner-name-font-size, 17px);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

.runner-position {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  z-index: 8;
  will-change: transform;
}

.chart:not(.motion-enabled) .runner { animation: none; }
.chart:not(.motion-enabled) .runner-final-name { transition: none; }

.runner-position.outside-week .runner { opacity: .2; }
.runner-position.outside-week .runner-final-name.visible { opacity: .2; }
.runner-position.outside-week .runner-final-name.visible.latest-name { opacity: 1; }
.runner-position .runner { transition: opacity 600ms ease-in-out; }
.runner-position .runner-final-name { transition: opacity 600ms ease-in-out; }

.chart.week-focused .runner-final-name { opacity: 0 !important; }
.company-model-name {
  position: absolute;
  z-index: 10;
  color: var(--ink);
  font: 500 9px/1.35 'Sora', sans-serif;
  overflow-wrap: anywhere;
  pointer-events: none;
  text-shadow: 0 1px 3px #050816;
}
.company-model-name[hidden] { display: none; }
.timeline-week-date { transition: transform 600ms ease-in-out; }
.timeline-week-date.week-selected { transform: scale(3); }
.week-day-date {
  font-family: 'Sora', sans-serif;
  font-weight: 500;
  opacity: 0;
}

/* Retarget from the current opacity when scrubbing across weeks quickly. */
.runner-position,
.timeline-light,
.energy-line {
  transition: opacity 600ms ease-in-out;
}

.timeline-light,
.energy-line {
  transition-property: opacity, fill, stroke;
}
.week-color-overlay,
.company-month-column,
.future-curtain,
.light-layer { transition: opacity 600ms ease-in-out; }
/* During a view switch the shared 600ms frame loop owns these values. */
.chart.light-transitioning .week-color-overlay,
.chart.light-transitioning .company-month-column,
.chart.light-transitioning .light-layer,
.chart.light-transitioning .timeline-light,
.chart.light-transitioning .energy-line { transition: none; }

.runner {
  position: absolute;
  z-index: 8;
  transform: translate(-50%, -50%);
  font-size: var(--runner-font-size, 40px);
  line-height: 1;
  pointer-events: none;
}

.runner.runner-draggable {
  pointer-events: auto;
  touch-action: none;
  user-select: none;
  cursor: grab;
}
.runner.runner-draggable:active { cursor: grabbing; }
.runner.runner-draggable img { pointer-events: none; }

.cursor-drag-handle {
  position: absolute;
  z-index: 3;
  height: 28px;
  transform: translateY(-50%);
  touch-action: none;
  cursor: grab;
}
.cursor-drag-handle:active { cursor: grabbing; }

.runner.us { filter: drop-shadow(0 0 7px #ff465f); }
.runner.china { filter: drop-shadow(0 0 7px #49f58a); }
.runner.japan { filter: drop-shadow(0 0 7px #f5f5f5); }
.runner.other { filter: drop-shadow(0 0 7px #65d9ff); }
.timeline-logo-runner {
  display: grid;
  width: var(--runner-font-size, 40px);
  height: var(--runner-font-size, 40px);
  place-items: center;
  font-size: 0;
}
.timeline-logo-runner img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.runner-logo-white { filter: brightness(0) invert(1); }
.timeline-logo-runner b {
  color: var(--ink);
  font: 700 11px/1 'Sora', sans-serif;
}
.race-runner {
  display: grid;
  width: var(--race-runner-size, 34px);
  height: var(--race-runner-size, 34px);
  place-items: center;
  overflow: hidden;
  border: 2px solid #ffffffcc;
  border-radius: 50%;
  background: #f7f9ff;
  box-shadow: 0 0 12px #65d9ff88;
  font-size: 0;
}
.race-runner img {
  width: var(--race-runner-logo-size, 26px);
  height: var(--race-runner-logo-size, 26px);
  object-fit: contain;
}
.race-runner b {
  color: #071025;
  font: 700 var(--race-runner-font-size, 9px)/1 'Sora', sans-serif;
}
.race-line { filter: drop-shadow(0 0 7px currentColor); }
.model-label.latest-breathe .company-icon,
.model-label.latest-breathe .company-fallback { animation: model-breathe 2.4s ease-in-out infinite; }
.chart:not(.motion-enabled) .model-label.latest-breathe .company-icon,
.chart:not(.motion-enabled) .model-label.latest-breathe .company-fallback { animation-play-state: paused; }
@keyframes model-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}
.runner.bounce { animation: runner-bounce 1.2s ease-in-out; }

@keyframes runner-breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.18); }
}

@keyframes runner-bounce {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  45% { transform: translate(-50%, -50%) translateY(var(--runner-bounce-offset, -36px)) scale(4); }
}

.group-label {
  font: 600 var(--group-font-size, 10.5px) 'Sora', sans-serif;
  letter-spacing: var(--group-letter-spacing, 2px);
  text-transform: uppercase;
  text-shadow: 0 0 10px currentColor;
}

.tick-label {
  fill: #7f96bd;
  font: var(--tick-font-size, 9px) 'Sora', sans-serif;
}
.timeline-week-date {
  fill: #fff;
  font-weight: 600;
}
.timeline-week-line.reached { stroke: var(--terra); }

.month-label {
  fill: #d9e5ff;
  font: 500 var(--month-font-size, 16px) 'Sora', sans-serif;
  text-shadow: 0 0 10px currentColor;
}

.energy-line { filter: drop-shadow(0 0 5px currentColor); }

dialog {
  width: 90%;
  max-width: 430px;
  padding: 32px;
  border: 1px solid #47658f;
  border-top: 6px solid var(--terra);
  background: #0d1730;
  color: var(--ink);
  box-shadow: 0 20px 100px #0004;
  font-family: 'Sora', sans-serif;
}

dialog::backdrop {
  background: #02040dcc;
  backdrop-filter: blur(5px);
}

dialog h2 {
  margin: 15px 0;
  font: 600 27px/1.15 'Sora', sans-serif;
}

dialog p {
  font-size: 12px;
  line-height: 1.7;
}

#detailSummary { white-space: pre-line; }
#detailCompany, .detail-model { display: flex; align-items: center; gap: 10px; }
.detail-model { margin: 8px 0; }
#detailCompany img, .detail-model img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  background: #f5f7fb;
  padding: 6px;
  border-radius: 9px;
  box-sizing: content-box;
  flex-shrink: 0;
}
#detailSummary { overflow-wrap: anywhere; }

dialog button { float: right; }

@media (max-width: 700px) {
  header { padding-top: 22px; }
  .play { margin-left: 0; }
  .controls { position: static; }
  .viewport {
    height: calc(100vh - 245px);
    min-height: 380px;
    padding-bottom: 20px;
  }
  .range-vertical { width: 70px; }
  .range-vertical input { left: 21px; }
  .range-vertical.timeline-slider .range-track { left: var(--slider-center-x, 35px); }
  .range-vertical #sliderDate { left: var(--slider-center-x, 35px); }
  .range-vertical.timeline-slider #sliderDate { left: var(--slider-center-x, 35px); }
  .model-label {
    width: var(--model-node-size, 24px);
    height: var(--model-node-size, 24px);
  }
  .model-label.primary {
    width: var(--model-primary-size, 50.4px);
    height: var(--model-primary-size, 50.4px);
  }
  .model-label.visible:hover,
  .model-label.visible:focus-visible {
    width: var(--model-hover-size, 118px);
    height: var(--model-hover-size, 118px);
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}