/* Palette and type from design/motion/vectress-motion-study.html */
:root{
  --bg:#05060A; --panel:#0B0D14; --panel-2:#1A1F2C; --line:#1E2330;
  --ink:#E7E9F0; --muted:#7C8598; --body:#B8BFCF;
  --red:#FF2D3A; --blue:#2F7BFF; --violet:#B98CFF; --amber:#FFB300;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:14px;line-height:1.5;
  padding:0 16px env(safe-area-inset-bottom);
  display:flex;flex-direction:column;align-items:center;
}
h1,h2,h3{font-family:"Barlow Condensed","Arial Narrow",Impact,sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.01em;margin:0;line-height:.95}
a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
a:hover{border-bottom-color:var(--muted)}

/* the end card of the study, as a masthead */
.hero{width:100%;max-width:560px;padding:30px 0 12px;text-align:center}
.hero .rule{display:block;width:110px;height:4px;margin:0 auto 12px;background:linear-gradient(90deg,var(--red),var(--blue))}
.hero h1{font-size:clamp(56px,17vw,92px);color:#F1F3F8}
.tag{margin:6px 0 0;color:#8D96A8;font-size:13px}

main{width:100%;max-width:560px}

.bar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;min-height:46px;margin:10px 0 8px}
.status{margin:0;font-family:"Barlow Condensed",sans-serif;font-size:24px;text-transform:uppercase;letter-spacing:.02em;line-height:1.1}
.status::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px;vertical-align:middle;border:1px solid var(--muted)}
.status.white::before{background:#F2EEE4;border-color:#F2EEE4}
.status.black::before{background:#1A1D25;border-color:#5B6478}
.status.over::before{background:var(--violet);border-color:var(--violet)}
.detail{margin:2px 0 0;color:var(--muted);font-size:12px;min-height:2.6em}
.score{display:flex;flex-direction:column;gap:3px;align-items:flex-end;flex:none}
.pill{color:var(--muted);font-size:11px;white-space:nowrap}
.pill i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px;vertical-align:middle}
.pill.white i{background:#F2EEE4}
.pill.black i{background:#1A1D25;outline:1px solid #39405C}

/* the stage */
.stage{position:relative;width:100%;aspect-ratio:5/4;transition:aspect-ratio .3s;background:#000;border-radius:8px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.stage.top{aspect-ratio:1/1}
.stage canvas{display:block;width:100%;height:100%;touch-action:manipulation;cursor:pointer}

/* controls, in the study's grid */
.ctl{display:grid;grid-template-columns:82px 1fr;gap:10px 12px;align-items:center;margin:16px 0 8px}
.ctl .k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.seg{display:flex;gap:0;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.seg button{flex:1;background:transparent;color:var(--ink);border:0;padding:8px 10px;font:inherit;font-size:13px;cursor:pointer;border-right:1px solid var(--line);transition:background .15s}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--panel-2);color:#fff}
.seg button:hover{background:#151925}
.seg button:focus-visible{outline:2px solid var(--blue);outline-offset:-2px}
.seg.small{margin:10px 0 0}
.seg.small button{padding:7px 8px;font-size:12px}
.seg[hidden]{display:none}

.controls{display:grid;grid-template-columns:1fr 2fr;gap:8px;margin:8px 0 0}
button.big{width:100%;background:#E7E9F0;color:#0B0D14;border:0;border-radius:4px;padding:11px 14px;font:inherit;font-weight:500;font-size:14px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
button.big:hover{background:#fff}
button.ghost{width:100%;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:11px 14px;font:inherit;font-size:13px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer}
button.ghost:hover{background:#151925}

/* markers legend */
.legend{display:flex;flex-wrap:wrap;gap:4px 14px;list-style:none;padding:0;margin:10px 0 0;color:var(--muted);font-size:11px}
.legend li{display:flex;align-items:center;gap:5px}
.legend .m{width:17px;height:17px;flex:none}
.m{--mc:var(--ink)}
.m .dot{fill:var(--mc)}
.m .ring{fill:none;stroke:var(--mc);stroke-width:.05}
.m .arrow,.m .slash{fill:none;stroke:var(--mc);stroke-width:.055;stroke-linecap:round;stroke-linejoin:round}
.m .bar{fill:var(--mc)}
.c-quiet{--mc:rgba(231,233,240,.42)}
.c-push{--mc:rgba(231,233,240,.65)}
.c-bond,.c-grab{--mc:var(--violet)}
.c-capture{--mc:#F1F3F8}
.c-danger{--mc:var(--amber)}

/* the move log, in the beats list style */
.log{list-style:none;margin:18px 0 0;padding:0;max-height:196px;overflow:auto;border-top:1px solid var(--line)}
.log:empty{display:none}
.entry{display:grid;grid-template-columns:36px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:12.5px}
.entry .t{font-size:12px;letter-spacing:.06em;color:var(--muted)}
.entry.white .t{color:var(--ink)}
.entry b{font-weight:500;color:var(--ink)}
.entry em{display:block;font-style:normal;font-size:11.5px;color:var(--muted)}
.entry.c-capture em{color:var(--ink)}
.entry.c-danger em{color:var(--amber)}
.entry.c-bond em,.entry.c-grab em{color:var(--violet)}
.entry.note span{font-style:italic}

/* explanation */
.explain{margin:44px 0 0;border-top:1px solid var(--line);padding-top:26px}
.explain h2{font-size:34px;margin-bottom:12px}
.explain h3{font-size:20px;margin:28px 0 8px;color:var(--ink)}
.explain p{margin:0 0 12px;color:var(--body)}
.explain .lead{font-size:13px;color:var(--muted)}
.explain b{color:var(--ink);font-weight:500}
.explain em{color:var(--ink);font-style:normal;border-bottom:1px solid var(--line)}
.notes{margin:0;padding-left:0;list-style:none}
.notes li{padding:0 0 12px 18px;position:relative;color:var(--body)}
.notes li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:3px;background:linear-gradient(90deg,var(--red),var(--blue))}
.pieces{list-style:none;padding:0;margin:0}
.pieces li{display:grid;grid-template-columns:72px 1fr;gap:2px 14px;align-items:start;padding:12px 0;border-top:1px solid var(--line)}
.pieces canvas{grid-row:span 2;width:72px;height:72px;display:block}
.pieces b{font-family:"Barlow Condensed",sans-serif;font-size:19px;text-transform:uppercase;letter-spacing:.03em;font-weight:600;align-self:end;padding-top:6px}
.pieces span{grid-column:2;color:var(--muted);font-size:12px}
.more{margin-top:22px;color:var(--muted)}
.more a{color:var(--ink)}

footer{width:100%;max-width:560px;margin:36px 0 40px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}
footer p{margin:0}

/* rules page */
.doc{max-width:680px;margin:0 auto;padding:26px 0 60px}
.doc h1{font-size:clamp(34px,9vw,52px);margin-bottom:6px}
.doc h2{font-size:26px;margin:34px 0 10px;padding-top:14px;border-top:1px solid var(--line)}
.doc h3{font-size:19px;margin:24px 0 8px}
.doc p,.doc li{color:var(--body)}
.doc p{margin:0 0 12px}
.doc strong{color:var(--ink);font-weight:500}
.doc code{background:var(--panel-2);border:1px solid var(--line);border-radius:3px;padding:0 4px;font-size:12px}
.doc pre{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px;overflow-x:auto;font-size:12px;line-height:1.45}
.doc pre code{background:none;border:0;padding:0}
.doc table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:12.5px;display:block;overflow-x:auto}
.doc th,.doc td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.doc th{color:var(--muted);font-weight:500;text-transform:uppercase;font-size:11px;letter-spacing:.06em}
.doc ul,.doc ol{padding-left:18px;margin:0 0 14px}
.doc li{margin:5px 0}
.back{display:inline-block;margin-bottom:18px;color:var(--muted);font-size:12px;border:0}

@media (min-width:620px){
  body{font-size:15px}
  .legend{font-size:12px}
}