:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#173237;background:#d9e3e3;font-synthesis:none;--panel:#ffffffed;--accent:#176c60;--line:#dce5e5}*{box-sizing:border-box}body{margin:0;overflow:hidden}#viewer{position:fixed;inset:0}canvas{display:block;width:100%;height:100%;touch-action:none}header,aside,footer{position:fixed;z-index:2}header{top:26px;left:30px;pointer-events:none;text-shadow:0 1px 8px #fff}h1{font-size:25px;font-weight:400;margin:6px 0}h1 strong{font-weight:750}.eyebrow{font-size:10px;font-weight:800;letter-spacing:2px}header p{margin:0;font-size:12px}aside{top:140px;left:30px;width:246px;padding:18px;background:var(--panel);border:1px solid white;border-radius:14px;box-shadow:0 12px 40px #12353614}aside>label{display:block;font-weight:650;font-size:12px;margin-bottom:8px}select,button{font:inherit;border:1px solid var(--line);border-radius:7px;background:#fff;color:#173237;min-height:38px}select{width:100%;padding:8px;font-size:13px}button{cursor:pointer;padding:8px;font-size:12px}button:hover{background:#e9f3ef}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #4a9f8f;outline-offset:3px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:12px 0}.actions button:last-child{grid-column:1/-1;background:var(--accent);color:#fff;border-color:var(--accent)}.layers{padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:10px;font-size:12px}.layers label{display:flex;align-items:center;gap:7px}input{accent-color:var(--accent);width:16px;height:16px;margin:0}#detail{font-size:12px;line-height:1.6;margin-bottom:8px}.hint{font-size:10px;line-height:1.6;color:#627779;margin-bottom:0}footer{bottom:0;left:0;right:0;display:flex;justify-content:space-between;background:#102b30e8;color:#fff;padding:10px 25px;font-size:10px;gap:12px}#labels{position:fixed;inset:0;pointer-events:none;z-index:1}.tag{position:absolute;pointer-events:auto;min-height:27px;padding:4px 7px;font-size:10px;font-weight:700;background:#fffffff2;box-shadow:0 2px 8px #19383720;transform:translate(-50%,-100%);white-space:nowrap}.tag.selected{background:#176c60;color:#fff}#loading{position:fixed;z-index:5;inset:0;display:grid;place-items:center;background:#e3ebebee;font-size:17px}#loading.error{padding:30px;text-align:center}@media(max-width:640px){header{top:15px;left:16px}h1{font-size:20px}header p{font-size:10px}.eyebrow{font-size:8px}aside{inset:auto 10px 38px;width:auto;padding:11px;border-radius:10px;display:grid;grid-template-columns:1fr 1fr;gap:7px 12px}aside>label{grid-column:1/-1;margin:0;font-size:10px}select{align-self:start}.actions{margin:0;gap:5px}.actions button{font-size:10px;min-height:32px;padding:5px}.layers{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px;border-bottom:0;padding:8px 0 0;font-size:10px}#detail{grid-column:1/-1;margin:0;font-size:10px}.hint{display:none}footer{padding:9px 10px;font-size:8px}.tag{font-size:9px;padding:3px 5px}}.language{position:fixed;top:25px;right:25px;z-index:6;display:flex;gap:4px;background:var(--panel);padding:4px;border-radius:10px}.language button{min-height:34px;padding:6px 12px}.language button[aria-pressed=true]{background:var(--accent);color:#fff}.hint{white-space:pre-line}@media(max-width:640px){.language{top:103px;right:12px}.language button{font-size:11px;min-height:32px}}dialog{color:#173237;background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;width:min(620px,calc(100% - 28px));max-height:85dvh;overflow:auto;box-shadow:0 20px 80px #102b3040}dialog::backdrop{background:#102b3070}dialog h2{font-size:22px;margin:0 0 16px}.help-row{display:grid;grid-template-columns:1fr 1fr;gap:4px 22px;padding:14px 0;border-top:1px solid var(--line)}.help-row h3{grid-column:1/-1;font-size:16px;margin:0 0 6px}.help-row h4{font-size:11px;color:var(--accent);margin:0}.help-row p,.help-reset{font-size:13px;line-height:1.6;margin:5px 0}.help-reset{background:#e9f3ef;padding:12px;border-radius:8px}dialog form{margin-top:16px;text-align:right}dialog form button{background:var(--accent);color:#fff;padding:8px 20px}@media(max-width:640px){dialog{padding:18px}.help-row{gap:4px 14px}.help-row p{font-size:12px}}button:disabled{opacity:.45;cursor:not-allowed}