:root{--ink:#1c2541;--paper:#eef2f7;--key:#fff;--sun:#ffc93c;--sea:#2ec4b6;--berry:#e5484d;--r:14px;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.5 ui-rounded,"Arial Rounded MT Bold","Segoe UI",system-ui,sans-serif}
main{max-width:720px;margin:0 auto;padding:28px 20px 60px}
h1,h2{line-height:1.15;margin:0 0 12px}
h2{font-size:1.5rem}
.keys{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 24px}
.key{display:grid;place-items:center;width:clamp(34px,8vw,52px);aspect-ratio:1;background:var(--key);border:2px solid var(--ink);border-bottom-width:6px;border-radius:10px;font-size:clamp(1.1rem,4.5vw,1.8rem);font-weight:800}
.key:nth-child(3n){background:var(--sun)}.key:nth-child(3n+1){background:var(--sea)}
.panel{background:var(--key);border:2px solid var(--ink);border-radius:var(--r);padding:20px;margin:0 0 20px}
.row{display:flex;flex-wrap:wrap;gap:12px}
button,.btn{font:inherit;font-weight:800;color:var(--ink);background:var(--sun);border:2px solid var(--ink);border-bottom-width:5px;border-radius:var(--r);padding:12px 20px;cursor:pointer;min-height:48px}
button:active{border-bottom-width:2px;transform:translateY(3px)}
button.alt{background:var(--key)}button.danger{background:#ffd9da}
button.big{flex:1 1 220px;font-size:1.25rem;padding:22px}
label{display:block;font-weight:700;margin:12px 0 4px}
input,select{font:inherit;width:100%;padding:12px;border:2px solid var(--ink);border-radius:10px;background:#fff;color:var(--ink)}
:focus-visible{outline:4px solid var(--sea);outline-offset:2px}
.err{color:var(--berry);font-weight:700;min-height:1.5em;margin:10px 0 0}
.code{font:800 1.6rem ui-monospace,monospace;letter-spacing:.08em;background:var(--paper);padding:12px;border-radius:10px;text-align:center}
.avatars{display:flex;flex-wrap:wrap;gap:10px}
.av{font-size:2.2rem;padding:8px 14px;background:var(--key)}.av[aria-pressed=true]{background:var(--sea)}
.kid{display:flex;align-items:center;gap:14px;padding:10px 0;border-top:2px dashed #c3cbd9}
.kid:first-of-type{border-top:0}.kid .em{font-size:2.2rem}.kid .grow{flex:1}
small,.hint{color:#4a5578}
@media (prefers-reduced-motion:no-preference){.key{transition:transform .15s}.key:hover{transform:translateY(-3px)}}
.levels{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.lvl{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;background:var(--key)}
.lvl b{font-size:1.6rem}.lvl.now{background:var(--sun)}.lvl:disabled{opacity:.45;cursor:not-allowed}
.text{font:700 1.7rem/1.7 ui-monospace,Consolas,monospace;background:#fff;border:2px solid var(--ink);border-radius:var(--r);padding:16px;margin-bottom:12px;word-break:break-word}
.ch{padding:0 1px;border-bottom:3px solid transparent}.ch.done{color:#9aa5c2}.ch.cur{background:var(--sun);border-bottom-color:var(--ink);border-radius:4px}.ch.wrong{background:#ffd9da;border-bottom-color:var(--berry)}
.bar{height:12px;background:#fff;border:2px solid var(--ink);border-radius:8px;overflow:hidden;margin-bottom:10px}.bar i{display:block;height:100%;width:0;background:var(--sea)}
.finger{font-weight:800;min-height:1.6em;margin:6px 0 12px}
.kb{--u:min(48px,6.4vw);margin:0 0 16px;user-select:none}.kbrow{display:flex;gap:4px;margin-bottom:4px}.r1{margin-left:calc(var(--u)*.5)}.r2{margin-left:calc(var(--u)*.75)}.r4{margin-left:calc(var(--u)*2)}
.kk{display:grid;place-items:center;width:var(--u);height:var(--u);background:var(--c,#fff);border:2px solid var(--ink);border-bottom-width:4px;border-radius:8px;font-weight:800;font-size:calc(var(--u)*.42)}
.kk.wide{width:calc(var(--u)*1.4)}.kk.space{width:calc(var(--u)*6);font-size:calc(var(--u)*.3)}.kk.home{text-decoration:underline}
.pinky{--c:#ffb3c1}.ring{--c:#ffe08a}.mid{--c:#8fe3d9}.idx{--c:#a9d6f5}.thumb{--c:#d8dce6}
.kk.next{outline:4px solid var(--ink);outline-offset:1px;transform:translateY(-4px) scale(1.12);background:var(--sun)}
.field{position:relative;height:340px;overflow:hidden;background:linear-gradient(#cfe8ff,#eef2f7);border:2px solid var(--ink);border-radius:var(--r);margin-bottom:10px}
.fw{position:absolute;left:0;top:0;padding:4px 14px;background:#fff;border:2px solid var(--ink);border-radius:20px;font:800 1.3rem ui-monospace,Consolas,monospace;will-change:transform}.fw b{color:#0a8f84}.fw.act{background:var(--sun)}
.track{position:relative;height:38px;background:#fff;border:2px solid var(--ink);border-radius:20px;margin:6px 0}.track i{position:absolute;top:0;left:0;font-style:normal;font-size:1.6rem;line-height:34px}
.btn{display:inline-block;text-decoration:none}
.legal h3{font-size:1.1rem;margin:20px 0 6px}.legal p{margin:0 0 10px}
.foot{max-width:720px;margin:0 auto;padding:16px 20px 48px;border-top:2px dashed #c3cbd9;font-size:.9rem;color:#4a5578}
.foot nav{display:flex;flex-wrap:wrap;gap:0 20px}.foot a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-weight:700}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.tabs button{min-height:44px;padding:8px 14px}.tabs button[aria-current=page]{background:var(--sea)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-bottom:20px}
.card{display:flex;flex-direction:column;background:var(--paper);border:2px solid var(--ink);border-radius:10px;padding:10px 12px}.card b{font-size:1.7rem;line-height:1.1}.card span{font-size:.85rem;color:#4a5578}
.panel h3{margin:18px 0 8px;font-size:1.05rem}
.chart{display:flex;align-items:flex-end;gap:4px;height:110px;border-bottom:2px solid var(--ink);margin-bottom:6px}.col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%}
.col i{display:block;width:100%;background:var(--sea);border:2px solid var(--ink);border-bottom:0;border-radius:4px 4px 0 0}.col small{font-size:.65rem;position:relative;top:18px;margin-top:-14px}.chart+*{margin-top:10px}
.hbars .hrow{display:grid;grid-template-columns:70px 1fr 40px;gap:8px;align-items:center;margin-bottom:6px}.hbar{height:14px;background:var(--paper);border:2px solid var(--ink);border-radius:8px;overflow:hidden}.hbar i{display:block;height:100%;background:var(--sun)}
.badge{display:inline-block;margin-left:8px;padding:0 8px;border:2px solid var(--ink);border-radius:20px;background:var(--sea);font-size:.75rem;font-weight:800}.badge.off{background:#ffd9da}
.urow{flex-wrap:wrap}.urow .row{gap:8px}.urow button{min-height:44px;padding:6px 12px}
.tablewrap{overflow-x:auto;margin:10px 0}table{border-collapse:collapse;width:100%;font-size:.85rem}th,td{text-align:left;padding:6px 8px;border-bottom:1px solid #c3cbd9;vertical-align:top}th{white-space:nowrap}
tr.lv-error td{background:#ffd9da}tr.lv-warn td{background:#fff3cd}

.ok{color:#1b7a3a;font-weight:700;min-height:1.5em;margin:10px 0 0}
[tabindex="-1"]:focus{outline:none}
.cert{max-width:640px;margin:20px auto;padding:28px 24px;border:8px double var(--ink);border-radius:16px;background:#fff;text-align:center}.cert h2{font-size:2.4rem;margin:.2em 0}.cert-top{letter-spacing:.3em;text-transform:uppercase;font-weight:700}.cert-name{font-size:2rem;font-weight:700}.cert-med{font-size:4rem;margin:.2em 0}.cert-date{color:#555}
@media print{body>*:not(main){display:none!important}#app>*:not(.cert){display:none!important}.cert{border-color:#000;margin:0 auto;box-shadow:none}body{background:#fff}}