.lead{margin:4px 0 12px}
.modes{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.modes .chip,.btn{min-height:44px}
.btn{font:inherit;font-size:15px;font-weight:700;background:var(--accent);color:#fff;border:2px solid var(--ink);border-radius:12px;padding:8px 16px;cursor:pointer;box-shadow:3px 3px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn.ghost{background:var(--paper);color:var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:focus-visible,.chip:focus-visible,select:focus-visible,.pb:focus-visible{outline:3px solid #e8a317;outline-offset:2px}
.quest{background:var(--paper);border:2px solid var(--ink);border-radius:14px;padding:12px 16px;margin:10px 0;box-shadow:4px 4px 0 var(--ink)}
.quest[hidden],.qh[hidden]{display:none}
.quest label{font-weight:700;margin-right:8px}
.quest select{font:inherit;padding:8px;border:2px solid var(--ink);border-radius:10px;background:#fff;min-height:44px;max-width:100%}
.qtext{margin:8px 0;font-weight:700}.qh{background:#fff8e5;border:1px solid #e8c766;border-radius:10px;padding:6px 12px;margin:8px 0 0}
.pal{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:12px 0}
.pb{font:inherit;border:2px solid var(--ink);border-radius:14px;min-height:64px;padding:4px 2px;cursor:pointer;box-shadow:3px 3px 0 var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.2}
.pb b{font-size:24px;font-family:"Shippori Mincho",serif}.pb small{font-size:12px}
.pb:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.board{border:2px solid var(--ink);border-radius:16px;background:var(--paper) linear-gradient(rgba(60,110,120,.09) 1px,transparent 1px) 0 0/100% 28px;box-shadow:5px 5px 0 var(--ink);overflow:hidden}
#svg{display:block;width:100%;height:440px;touch-action:none;user-select:none;-webkit-user-select:none}
#svg text{font-family:"Shippori Mincho",serif;pointer-events:none}
.atom{cursor:grab}.atom:focus{outline:none}
.atom:focus-visible .ring,.atom.sel .ring{stroke:#e8a317;stroke-width:4}
.ring{fill:none;stroke:transparent}
.hand{cursor:crosshair}.hand .dot{fill:#fff;stroke:var(--ink);stroke-width:2}
.hand .hit{fill:transparent}
.hand.arm .dot{fill:#ffd45c}
.bond{stroke:var(--ink);stroke-width:4;stroke-linecap:round;fill:none}
.bondhit{stroke:transparent;stroke-width:22;cursor:pointer;fill:none}
.halo{fill:rgba(31,138,122,.13);stroke:var(--accent);stroke-width:2.5;stroke-dasharray:7 5}
.lbl{font-size:20px;font-weight:800;fill:var(--accent)}
.rub{stroke:var(--accent);stroke-width:3;stroke-dasharray:5 5}
.bar{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.msg{background:var(--paper);border:2px solid var(--ink);border-left:8px solid var(--accent);border-radius:12px;padding:10px 16px;margin:10px 0;font-weight:500;min-height:3.4em}
.msg.ok{border-left-color:#2e9e5b;background:#eefaf1}.msg.warn{border-left-color:#e8a317;background:#fff8e5}
.found{display:grid;gap:12px;margin:12px 0}
.mol{background:var(--paper);border:2px solid var(--ink);border-radius:14px;padding:12px 18px;box-shadow:4px 4px 0 var(--ink)}
.mol h3{margin:0;font-size:24px;font-family:"Shippori Mincho",serif}.mol h3 small{font-size:14px;color:var(--mute);margin-left:8px;font-family:"Zen Maru Gothic",sans-serif}
.mol .st{font-size:15px;color:var(--mute);margin:2px 0 6px}.mol p{margin:4px 0;font-size:16px;line-height:1.7}
.mol .cn{background:#fff3f1;border:1px solid #e8a79d;border-radius:8px;padding:4px 10px;font-size:14px}
.mol.new{animation:pop .5s}
@keyframes pop{40%{transform:scale(1.03)}}
.how{margin:14px 0}.how summary{cursor:pointer;min-height:44px;font-weight:700;display:flex;align-items:center}
.rels{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.rels a{display:block;text-decoration:none;background:var(--paper);border:2px solid var(--ink);border-radius:12px;padding:10px 14px;line-height:1.5;box-shadow:3px 3px 0 var(--ink)}
.rels a span{display:block;font-size:13px;color:var(--mute)}
@media(max-width:520px){.pal{gap:6px}.pb b{font-size:21px}#svg{height:400px}.btn{padding:8px 12px}}
@media(prefers-reduced-motion:reduce){.mol.new{animation:none}*{transition:none!important}}
.found:empty,.msg:empty{display:none}
.how{background:var(--paper);border:2px solid var(--ink);border-radius:12px;padding:0 16px}