:root {
  color-scheme: dark;
  --bg: #121311;
  --surface: #191a17;
  --border: #32342d;
  --text: #f2f0ea;
  --muted: #a9aa9f;
  --accent: #ffad69;
  --live: #a9d9b5;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, sans-serif; }
.shell { width: min(1120px, 100%); margin: auto; padding: 0 clamp(15px, 4vw, 44px); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; background: none; border: 0; border-radius: 6px; cursor: pointer; white-space: nowrap; }
button:focus-visible, a:focus-visible, .plot:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:hover { color: var(--text); background: #292b24; }
button:disabled { opacity: .36; cursor: default; }
[hidden] { display: none !important; }

.top, .hero, .chart-head, .chart-foot, footer { display: flex; justify-content: space-between; align-items: center; }
.top { min-height: 65px; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 9px; font: 650 12px var(--mono); }
.brand span { display: grid; place-items: center; width: 26px; height: 26px; background: var(--accent); color: var(--bg); border-radius: 50%; font: 700 19px/1 system-ui; }
.audio, .ranges, .chart-actions, .zoom-controls { display: flex; align-items: center; gap: 2px; }
.audio button { display: flex; align-items: center; gap: 5px; padding: 6px 8px; color: var(--muted); font-size: 12px; }
.audio button[aria-pressed="true"] { color: var(--accent); background: #30251c; }
.audio svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; stroke-linecap: round; }
.hero { align-items: end; gap: 20px; padding: clamp(25px, 4vw, 47px) 0 23px; }
.hero h1 { margin: 0; font-size: clamp(39px, 6.4vw, 78px); letter-spacing: -.075em; line-height: 1; font-weight: 630; }
.hero h1 span { color: var(--accent); }
.intro { margin: 11px 0 0; color: var(--muted); }
.quote { text-align: right; white-space: nowrap; }
.market, .quote-time { font-size: 11px; color: var(--muted); }
.market { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.market i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.market.live i { background: var(--live); }
.price { font: 550 clamp(25px, 4vw, 44px)/1.22 var(--mono); letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.quote-time { font-family: var(--mono); }

.chart-card { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.chart-head, .chart-foot { gap: 8px; padding: 8px 12px; }
.chart-head { border-bottom: 1px solid var(--border); }
.ranges button, .chart-actions button { min-height: 32px; padding: 4px 8px; color: var(--muted); font-size: 12px; }
.ranges button[aria-pressed="true"] { background: #292b24; color: var(--text); }
.chart-actions .now-control { color: var(--accent); }
.zoom-controls { border-right: 1px solid var(--border); padding-right: 3px; margin-right: 3px; }
.zoom-controls button { font-size: 17px; min-width: 27px; }
.plot { position: relative; height: clamp(285px, 37vw, 420px); cursor: crosshair; touch-action: pan-y; user-select: none; }
.plot.dragging { cursor: grabbing; }
.plot svg { display: block; width: 100%; height: 100%; }
.grid { stroke: #292b24; stroke-width: 1; }
.axis { fill: var(--muted); font: 10px var(--mono); }
.line { fill: none; stroke: var(--accent); stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.marker { fill: var(--bg); stroke: var(--accent); stroke-width: 1.1; }
.marker.down { stroke: #c08d77; }
.now-dot { fill: var(--accent); }
.now-halo { fill: none; stroke: var(--accent); opacity: .5; }
.now-text { fill: var(--accent); font: 600 11px system-ui; }
.cross { stroke: #76786d; stroke-dasharray: 3 4; }
.tooltip { position: absolute; z-index: 2; pointer-events: none; min-width: 135px; padding: 8px 10px; background: var(--surface); border: 1px solid #4b4d43; border-radius: 7px; font: 11px/1.55 var(--mono); }
.tooltip strong { display: block; font-size: 16px; color: var(--text); }
.tooltip small { color: var(--muted); }
.empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); pointer-events: none; text-align: center; padding: 20px; }
.chart-foot { border-top: 1px solid var(--border); color: var(--muted); font-size: 11px; }

.milestones { margin: 22px 0; }
.milestones h2 { margin: 0 0 8px; font-weight: 600; font-size: 13px; }
.event-list { display: flex; gap: 5px; overflow-x: auto; padding: 3px 3px 7px; scrollbar-width: thin; scrollbar-color: #45473e transparent; }
.event-list button { display: flex; align-items: baseline; gap: 6px; flex: 0 0 auto; padding: 6px 9px; color: var(--muted); font-size: 11px; border: 1px solid var(--border); }
.event-list button[aria-pressed="true"] { color: var(--text); border-color: #92664a; }
.event-list time { color: var(--accent); font-family: var(--mono); }
.event-detail { display: flex; flex-wrap: wrap; gap: 3px 10px; color: var(--muted); font-size: 12px; padding: 5px 3px 0; }
.event-detail strong { color: var(--text); }
.event-detail a { color: var(--accent); white-space: nowrap; }
.chart-guide { max-width: 680px; margin: 24px 0; color: var(--muted); font-size: 13px; }
.chart-guide h2 { margin: 0 0 7px; color: var(--text); font-size: 13px; font-weight: 600; }
.chart-guide p { margin: 0 0 8px; }
.chart-guide strong { color: var(--text); font-weight: 550; }
.chart-guide a { text-decoration: underline; text-underline-offset: 2px; }
footer { align-items: start; gap: 12px; padding: 14px 0 23px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }
footer strong { color: var(--text); font-weight: 550; }
.links { display: flex; gap: 14px; align-items: start; }
.links > a { white-space: nowrap; }

dialog { width: min(340px, calc(100% - 30px)); padding: 20px; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 10px; }
dialog::backdrop { background: #000a; }
dialog h2 { margin: 0 0 15px; font-size: 18px; }
dialog label { display: block; margin-bottom: 12px; font-size: 13px; }
dialog label span { color: var(--muted); }
dialog input { display: block; width: 100%; min-height: 38px; margin-top: 4px; padding: 5px 9px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); background: var(--bg); font: inherit; }
.dialog-actions { display: flex; justify-content: end; gap: 7px; }
.dialog-actions button { padding: 7px 10px; }
.dialog-actions button[type="submit"] { background: var(--accent); color: var(--bg); }

@media (max-width: 620px) {
  .top { min-height: 54px; }
  .hero { display: block; padding-bottom: 16px; }
  .quote { margin-top: 15px; text-align: left; }
  .market { justify-content: flex-start; }
  .intro { font-size: 13px; }
  .chart-head, .chart-foot { padding-inline: 6px; }
  .ranges button, .chart-actions button { padding-inline: 5px; }
  .ranges, .chart-actions, .zoom-controls { gap: 0; }
  .zoom-controls button { min-width: 21px; }
  .chart-foot { font-size: 10px; }
  .hint { display: none; }
  .now-text { font-size: 10px; }
  .links { gap: 8px; }
}

@media (max-width: 370px) {
  footer { flex-direction: column; }
}

.price-history table { width: 100%; border-collapse: collapse; margin-top: 12px; text-align: left; }
.price-history th, .price-history td { border-bottom: 1px solid var(--border); padding: 8px 8px 8px 0; }
.price-history th { font-weight: 550; }
.price-history tbody th, .price-history td:nth-child(2) { color: var(--text); font-variant-numeric: tabular-nums; }
.price-history td:last-child { padding-right: 0; }

.support { margin: 24px 0 14px; color: var(--muted); font-size: 13px; }
.support summary { width: fit-content; cursor: pointer; color: var(--accent); font-weight: 550; }
.support summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.support-body { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 16px; margin-top: 12px; max-width: 640px; }
.support-body > div { flex: 1 1 250px; min-width: 0; }
.support-body img { border-radius: 6px; }
.support-body p { margin: 0 0 7px; }
.support-network { color: var(--text); }
.support-body code { display: block; overflow-wrap: anywhere; color: var(--text); }
.support-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 9px; }
.support-actions button { padding: 4px 8px; border: 1px solid var(--border); }
.support-actions a { text-decoration: underline; text-underline-offset: 2px; }
.support-status { color: var(--muted); }