:root {
  color-scheme: dark;
  --bg: #090a0c;
  --surface: #111318;
  --surface-raised: #171a20;
  --ink: #f3efe7;
  --muted: #999b9f;
  --dim: #666970;
  --line: rgba(243, 239, 231, .13);
  --line-strong: rgba(243, 239, 231, .24);
  --accent: #d7f38a;
  --danger: #f19586;
  --radius: 8px;
  --page-space: max(16px, env(safe-area-inset-left));
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    var(--bg);
  background-size: 100% 48px, auto;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

button,
input { font: inherit; }

button,
a,
input { -webkit-tap-highlight-color: transparent; }

a { color: inherit; }

button { color: inherit; }

.site-header {
  width: min(1120px, 100%);
  min-height: 68px;
  margin: 0 auto;
  padding: 14px max(16px, 5vw);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: rgba(243,239,231,.88);
  text-decoration: none;
}

.brand strong { font-size: 1.18rem; line-height: 1.1; }

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.site-nav a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  color: rgba(243,239,231,.68);
  font-weight: 800;
  text-decoration: none;
}

main {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 0 var(--page-space) 64px max(16px, env(safe-area-inset-right));
}

.tool-intro {
  padding: 62px 0 38px;
  text-align: center;
}

.kicker,
.view-label,
.content-kicker {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { overflow-wrap: anywhere; }

h1,
h2,
h3 { margin: 0; line-height: 1.08; }

h1 {
  font-size: clamp(2.75rem, 11vw, 5.25rem);
  font-weight: 820;
  letter-spacing: .04em;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.race {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.race-controls {
  display: grid;
  justify-items: center;
  gap: 15px;
  padding: 23px 0 28px;
}

.timeframes {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.025);
}

.timeframes button,
.view-switch button,
.custom-date button,
.error-state button,
#play-button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-weight: 760;
}

.timeframes button {
  color: var(--muted);
  font-size: .79rem;
}

.timeframes button:hover,
.timeframes button.is-active {
  background: var(--surface-raised);
  color: var(--ink);
}

.timeframes button.is-active { box-shadow: inset 0 0 0 1px var(--line); }

.custom-date {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.custom-date[hidden] { display: none; }

.custom-date label { color: var(--muted); font-size: .86rem; }

.custom-date input {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  padding: 8px 10px;
}

.custom-date button,
.error-state button,
#play-button {
  padding: 0 18px;
  background: var(--ink);
  color: var(--bg);
}

.period { margin: 0; color: var(--dim); font-size: .82rem; }

.race-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 0 24px;
}

.view-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  min-width: min(440px, 100%);
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.025);
}

.view-switch button {
  display: grid;
  gap: 1px;
  align-content: center;
  color: var(--dim);
  padding: 6px 15px;
  text-align: left;
}

.view-switch button.is-active {
  background: var(--surface-raised);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink);
}

.view-switch span { font-size: .78rem; letter-spacing: .09em; }
.view-switch small { color: inherit; font-size: .69rem; font-weight: 540; }

.source-badge {
  flex: 0 0 auto;
  border: 1px solid rgba(215,243,138,.3);
  border-radius: 999px;
  color: var(--accent);
  padding: 5px 8px;
  font-size: .64rem;
  font-weight: 850;
  letter-spacing: .1em;
}

.loading,
.error-state {
  min-height: 480px;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 11px;
  text-align: center;
}

.loading > span:last-child,
.error-state p { margin: 0; color: var(--muted); }

.loading-track {
  position: relative;
  width: min(280px, 70vw);
  height: 2px;
  overflow: hidden;
  background: var(--line);
}

.loading-track i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 38%;
  background: var(--accent);
  animation: prepare 1.45s ease-in-out infinite;
}

@keyframes prepare {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(365%); }
}

.loading[hidden],
.error-state[hidden],
.visualization[hidden],
.result-view[hidden],
.replay-view[hidden] { display: none; }

.visualization { padding: 30px 0 0; }

.view-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.view-heading h3 { font-size: 1.55rem; }
.view-heading > p { margin: 0; color: var(--muted); font-size: .78rem; }
.view-label { margin-bottom: 5px; color: var(--accent); }
.start-dot { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px rgba(215,243,138,.5); }

.result-list { margin: 0; padding: 0; list-style: none; }

.result-row {
  display: grid;
  grid-template-columns: 28px minmax(104px, 142px) minmax(120px, 1fr) minmax(88px, auto);
  gap: 16px;
  align-items: center;
  min-height: 78px;
  border-top: 1px solid var(--line);
  animation: row-in .54s cubic-bezier(.2,.8,.2,1) both;
  animation-delay: calc(var(--rank) * 34ms);
}

@keyframes row-in {
  from { opacity: 0; transform: translateY(7px); }
}

.rank { color: var(--dim); font-size: .75rem; font-variant-numeric: tabular-nums; }

.coin {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.coin img {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #20242c;
  box-shadow: 0 0 0 1px var(--line);
}

.coin-copy { min-width: 0; display: grid; }
.coin-copy strong { font-size: .87rem; letter-spacing: .04em; }
.coin-copy small { overflow: hidden; color: var(--dim); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }

.track {
  position: relative;
  height: 28px;
}

.track::before {
  content: "";
  position: absolute;
  top: 13px;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line);
}

.track-fill {
  position: absolute;
  top: 13px;
  left: 0;
  width: var(--position);
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.12), var(--coin-color));
  transform-origin: left;
  animation: extend .9s cubic-bezier(.15,.8,.2,1) both;
}

@keyframes extend { from { transform: scaleX(0); } }

.track-end {
  position: absolute;
  top: 7px;
  left: var(--position);
  width: 13px;
  height: 13px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--coin-color);
  box-shadow: 0 0 14px color-mix(in srgb, var(--coin-color) 55%, transparent);
  transform: translateX(-50%);
  transition: left .7s cubic-bezier(.2,.8,.2,1);
}

.result-number { display: grid; justify-items: end; font-variant-numeric: tabular-nums; }
.result-number strong { font-size: 1.03rem; }
.result-number small { color: var(--muted); font-size: .76rem; }
.result-number small.negative { color: var(--danger); }
.result-number small.positive { color: var(--accent); }

.scale-note,
.excluded-note {
  margin: 14px 0 0;
  color: var(--dim);
  font-size: .72rem;
}

.replay-heading time {
  color: var(--ink);
  font-size: .84rem;
  font-variant-numeric: tabular-nums;
}

.replay-stage {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.012);
}

#replay-canvas { width: 100%; height: 100%; display: block; }
.canvas-fallback { position: absolute; inset: auto auto 12px 12px; margin: 0; color: var(--dim); font-size: .7rem; pointer-events: none; }

.replay-controls {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
}

.scrubber-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

#replay-scrubber {
  width: 100%;
  height: 44px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.replay-accessible {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.insight {
  margin: 24px 0 0;
  border-left: 2px solid var(--accent);
  padding: 2px 0 2px 18px;
  color: var(--ink);
  font-size: clamp(1.08rem, 4vw, 1.42rem);
  line-height: 1.35;
}

.race-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding: 18px 0 23px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: .72rem;
}

.race-footer p { margin: 0; }

.supporting-content { padding: 62px 0 0; }

.supporting-content article {
  max-width: 720px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.supporting-content h2 { font-size: 1.75rem; }
.supporting-content ol { margin: 20px 0 0; padding-left: 22px; color: var(--muted); }
.supporting-content li + li { margin-top: 8px; }
.supporting-content details { border-top: 1px solid var(--line); padding: 17px 0; }
.supporting-content details:first-of-type { margin-top: 22px; }
.supporting-content summary { cursor: pointer; font-weight: 720; }
.supporting-content details p,
.supporting-content article > p:last-child { margin: 10px 0 0; color: var(--muted); }

:focus-visible { outline: 3px solid rgba(215,243,138,.42); outline-offset: 3px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 700px) {
  .site-header { align-items: flex-start; }
  .site-nav { gap: 10px; }
  .site-nav a { min-height: 32px; font-size: .78rem; }
  .site-nav a:nth-child(3), .site-nav a:nth-child(4) { display: none; }
  .tool-intro { padding: 45px 0 30px; }
  .timeframes { grid-template-columns: repeat(3, 1fr); }
  .race-toolbar { align-items: flex-start; flex-direction: column; }
  .view-switch { width: 100%; min-width: 0; }
  .view-heading { align-items: flex-start; flex-direction: column; gap: 9px; margin-bottom: 22px; }
  .result-row { grid-template-columns: 21px minmax(82px, 104px) minmax(70px, 1fr) minmax(70px, auto); gap: 8px; min-height: 70px; }
  .coin { gap: 7px; }
  .coin img { width: 27px; height: 27px; }
  .coin-copy small { display: none; }
  .result-number strong { font-size: .88rem; }
  .replay-stage { height: 430px; }
  .race-footer { flex-direction: column; gap: 6px; }
}

@media (max-width: 360px) {
  .result-row { grid-template-columns: 18px 77px minmax(60px, 1fr) 64px; gap: 6px; }
  .coin img { width: 24px; height: 24px; }
  .coin-copy strong { font-size: .76rem; }
  .result-number strong { font-size: .8rem; }
  .result-number small { font-size: .68rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .loading-track i { animation: none; width: 100%; opacity: .6; }
}