*{box-sizing:border-box} :root{color-scheme:light;--ink:#182522;--muted:#4f625b;--paper:#f4f5ef;--surface:#fffef8;--line:#cbd2c7;--accent:#185b44;--soft:#e4ecdc} body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.65} a{color:var(--accent);text-underline-offset:4px} button,input,select{font:inherit} button,select,input{min-height:46px} button{cursor:pointer;background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:5px;padding:10px 18px;font-weight:700} button.secondary{background:transparent;color:var(--ink);border-color:var(--line)} button:hover{filter:brightness(.94)} button:disabled{opacity:.5;cursor:default} select,input{width:100%;border:1px solid var(--line);padding:9px 12px;border-radius:4px;background:var(--surface);color:var(--ink);min-width:0} label{display:block;font-size:.88rem;font-weight:700;margin-bottom:6px} :focus-visible{outline:3px solid var(--accent);outline-offset:4px} .skip{position:absolute;top:-100px;left:12px;z-index:10;background:var(--surface);padding:12px}.skip:focus{top:12px} .wrap{width:min(1100px,calc(100% - 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32px)}header{padding:18px 0}.stamp{font-size:.64rem}.intro{padding:32px 0 24px}.workbench{padding:18px}.fields{grid-template-columns:1fr}.guide{grid-template-columns:1fr;gap:24px;margin:30px 0}.buttons button{flex:1 1 110px}th,td{padding:10px}.lead{font-size:1rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}} :root{--accent:#216254;--paper:#f2f4ed;--surface:#fdfef9;--soft:#e3ece0;--line:#c3d1c1;--ink:#173b32;--muted:#4e665d}.notice{margin-bottom:24px}.braille-display{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:32px 0}.cell-side{border-right:1px solid var(--line);text-align:center}.braille-cell{display:grid;grid-template-columns:repeat(2,72px);gap:18px 28px;justify-content:center;margin:25px auto}.dot{display:grid;place-items:center;width:72px;height:72px;border:2px dashed #8fa99b;border-radius:50%;color:#516b5d;font-size:1rem;font-weight:800;background:#edf1e9}.dot.active{background:var(--accent);border:2px solid var(--accent);color:#fff;box-shadow:inset 0 0 0 5px var(--surface)}.big-letter{font:700 clamp(5rem,14vw,8rem) Georgia,serif;line-height:1;margin:10px 0 16px}.letter-side{text-align:center}.letter-side .hint{max-width:250px;margin:auto}.letter-side p{overflow-wrap:anywhere}@media(max-width:650px){.braille-display{grid-template-columns:1fr;gap:16px;padding:18px 0}.cell-side{border-right:0;border-bottom:1px solid var(--line);padding-bottom:16px}.braille-cell{grid-template-columns:repeat(2,58px);gap:14px 24px;margin:16px auto}.dot{width:58px;height:58px}.big-letter{font-size:5rem}.letter-side .hint{max-width:none}}