:root{color-scheme:dark;--bg:#11151b;--panel:#191f28;--ink:#eef2f7;--muted:#b6c1d0;--line:#465160;--accent:#c5dcff}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:16px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
main{max-width:940px;margin:auto;padding:20px 22px 40px;min-width:0}
a{color:var(--accent);text-underline-offset:3px;overflow-wrap:anywhere}
button{font:inherit;line-height:1.2;min-height:44px;border:1px solid #637084;background:#263140;color:var(--ink);border-radius:9px;padding:10px 14px;cursor:pointer}
button:hover{background:#344356}button:disabled{opacity:.45;cursor:default}
button:focus-visible,a:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #fff;outline-offset:4px}
[hidden]{display:none!important}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:12px}
.site-link{text-decoration:none}.tag{font-size:10px;letter-spacing:.08em;color:var(--muted);white-space:nowrap}
h1{font-size:clamp(26px,4.2vw,40px);line-height:1.13;letter-spacing:-.035em;margin:0 0 6px}
h2{font-size:23px;line-height:1.25;margin:0 0 14px;letter-spacing:-.02em}
p{margin:0 0 16px}.scope{color:var(--muted);font-size:13px;margin-bottom:10px}
.notice{font-size:13px;line-height:1.5;border-left:3px solid #c5dcff;padding:7px 12px;margin-bottom:16px;background:#1a2330}
.test-panel{border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--panel)}
.tray-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:16px}
.tray-nav button{font-size:13px;position:relative;padding:9px 5px}
.tray-nav button[aria-current="step"]{background:var(--accent);color:#102038;border-color:var(--accent);font-weight:700}
.tray-nav button.ready::after{content:' ✓'}
.tray-heading{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.tray-heading h2{font-size:19px;margin:0}.tray-heading span{font-size:12px;color:var(--muted);white-space:nowrap}
#instructions{font-size:13px;color:var(--muted);line-height:1.5;margin-bottom:12px}
.anchors{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 0 14px}
.anchors>div{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}
.anchor{display:block;width:44px;height:44px;border-radius:7px;border:2px solid #d1d7e1;flex:none}
.flow{font-size:24px;color:var(--muted)}
.caps{display:grid;grid-template-columns:repeat(11,minmax(44px,1fr));gap:7px;padding:8px;background:#101010;border-radius:11px}
.cap{border:2px solid transparent;border-radius:7px;min-height:62px;padding:0;position:relative;touch-action:manipulation}
.cap:hover{filter:brightness(1.04)}
.cap[aria-pressed="true"]{border-color:#fff;outline:2px solid #fff;outline-offset:2px;z-index:1}
.cap::after{content:attr(data-position);position:absolute;bottom:3px;left:50%;transform:translateX(-50%);color:#101010;background:#ffffffb8;padding:0 4px;font-size:10px;border-radius:3px;line-height:15px}
.cap:focus-visible{outline-color:#fff;z-index:2}
.move-bar{display:flex;gap:8px;margin:14px 0 5px}.move-bar button{flex:1;font-size:13px;padding:8px 6px}
.move-bar button:last-child{flex:.55}.move-status{font-size:12px;color:var(--muted);min-height:20px;margin:0 0 12px}
.round-actions{display:flex;gap:12px;justify-content:space-between}.round-actions button{flex:1}
.primary{background:var(--accent);color:#102038;font-weight:700;border-color:var(--accent)}
.primary:hover{background:#e0edff}.quiet{background:transparent}
.secondary-actions{display:flex;justify-content:space-between;gap:8px;margin-top:7px}
.text-button{font-size:12px;padding:6px 2px;border:0;background:none;color:var(--muted)}.text-button:hover{background:none;text-decoration:underline}
.small{font-size:13px;line-height:1.55;color:var(--muted)}#round-status{margin:2px 0 0;font-size:12px}
.results{margin:24px 0;border:1px solid #8eabc9;padding:24px;border-radius:16px;background:#1c2837;scroll-margin-top:20px}
.result-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.result-head h2{margin:0}
.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:8px}
.score{font-size:64px;line-height:1.1;font-weight:750;letter-spacing:-.05em}
.score-note{font-size:12px;color:var(--muted);margin:8px 0 18px}.conclusion{font-size:18px;font-weight:600}
.tray-scores{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:20px 0}
.tray-score{border:1px solid #647891;border-radius:10px;padding:12px}.tray-score p{font-size:12px;margin:0;color:var(--muted)}.tray-score strong{font-size:28px;display:block}.tray-score span{font-size:11px;color:var(--muted)}
.result-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:16px 0}.result-actions a{font-size:13px}
textarea{width:100%;font:13px/1.5 ui-monospace,monospace;background:#111;color:#fff;padding:12px;border:1px solid #91afd4;border-radius:8px;resize:vertical}
.reference-section,.explanation{margin-top:38px;padding-top:22px;border-top:1px solid var(--line)}
table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:14px;margin:20px 0}
caption{text-align:left;color:var(--muted);font-size:13px;margin-bottom:10px}
th,td{text-align:left;vertical-align:top;border:1px solid #5c687b;padding:12px;overflow-wrap:anywhere}
th{background:#242f3e}th:first-child{width:21%}th:nth-child(2){width:26%}
.formula{font:14px/1.6 ui-monospace,monospace;border:1px solid var(--line);padding:14px;border-radius:9px;overflow-wrap:anywhere;background:#181e27}
.explanation li{margin-bottom:12px}.explanation ol{padding-left:24px}
details{border-top:1px solid var(--line);padding:15px 0}summary{cursor:pointer;font-weight:600;min-height:44px;display:list-item}details p{margin:6px 0 0}details table{font-size:12px}
.cap-order{overflow-wrap:anywhere;font-size:12px;color:var(--muted)}
footer{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 24px;font-size:13px;color:var(--muted)}footer p{width:100%;margin:0}
@media(max-width:700px){main{padding:14px 14px 30px}.page-head{margin-bottom:10px}.test-panel{padding:14px}.caps{grid-template-columns:repeat(6,minmax(44px,1fr));gap:6px;padding:6px}.cap{min-height:48px}.tray-nav{gap:6px;margin-bottom:12px}.tray-heading h2{font-size:16px}.anchors{margin-bottom:10px}.move-bar{gap:6px;margin-top:10px}.round-actions{gap:8px}.round-actions button{font-size:13px;padding:9px 7px}.results{padding:18px}.score{font-size:52px}.tray-scores{grid-template-columns:repeat(2,minmax(0,1fr))}th,td{font-size:12px;padding:8px}.reference-section,.explanation{margin-top:28px}h2{font-size:22px}.tag{font-size:9px}}
@media(max-width:370px){.caps{grid-template-columns:repeat(5,minmax(44px,1fr))}.tag{max-width:90px;white-space:normal;text-align:right}.tray-heading{align-items:flex-start}.move-bar button{font-size:12px}.notice{padding:6px 9px}main{padding-inline:12px}.test-panel{padding:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{
  :root{color-scheme:light}body{background:#fff;color:#111;font-size:10pt}main{max-width:none;padding:0}a{color:#111;text-decoration:none}.page-head,.scope,.test-panel,.explanation,footer,.result-actions,#copy-status,#copy-fallback,.print-help,.results details{display:none!important}
  h1{font-size:20pt}h2{font-size:15pt}.notice{background:none;border-color:#111;color:#111}.results{background:none;color:#111;border-color:#999;margin:14px 0;padding:14px;break-inside:avoid}.reference-section{margin:16px 0 0;border-color:#999}.small,.eyebrow,.score-note,caption,.tray-score p,.tray-score span{color:#333}.score{font-size:36pt}.tray-scores{grid-template-columns:repeat(4,1fr);gap:6px}.tray-score{padding:8px;border-color:#999}table{font-size:9pt;margin:10px 0}th,td{padding:8px;color:#111;border-color:#999}th{background:none}tr{break-inside:avoid}.reference-section p{margin-bottom:9px}.reference-section a::after{content:' (' attr(href) ')';font-size:8pt;overflow-wrap:anywhere}thead{display:table-header-group}
}