*{box-sizing:border-box}:root{font-family:Arial,Helvetica,sans-serif;color:#37473c;background:#f2eee5;--case-top:#efe8dd;--case-bottom:#c7bdad;--case-text:#756c5e;--glow-opacity:.45}body{margin:0;min-height:100svh;background:radial-gradient(ellipse at 10% 0%,#e1e8db,transparent 50%),#f2eee5}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;min-height:44px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #9778b9;outline-offset:3px}button:disabled{cursor:wait;opacity:.6}main{max-width:1110px;margin:auto;padding:26px 28px max(20px,env(safe-area-inset-bottom))}header{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:25px;letter-spacing:-1px;text-decoration:none;color:inherit;font-weight:700}.brand span{display:block;font-size:8px;letter-spacing:2.8px;margin:6px 0 0 24px;font-weight:400}.edition{font-size:9px;letter-spacing:2px;color:#8d9588}#sound{border:1px solid 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6px #503b192b}.cup:after{content:'';position:absolute;right:-14px;top:21px;width:17px;height:15px;border:5px solid #e4d8b9;border-radius:7px;z-index:-1}.cup i,.cup span{position:absolute;left:23px;top:-17px;width:9px;height:34px;border-left:2px solid #fff9;border-radius:50%;animation:steam 4s ease-in-out infinite}.cup span{left:35px;animation-delay:-2s}.toy{position:relative;max-width:410px;margin:auto;background:linear-gradient(145deg,#fafff5,#d8e5d5);padding:17px 12px 12px;border-radius:26px;border:1px solid #ffffffb3;box-shadow:0 12px 16px #47382026,0 4px 0 #7f6f5633,inset 0 -3px 3px #a0b59b30}.tray-head,.tray-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:9px;padding:0 7px;color:#69806d}.tray-head{letter-spacing:1.3px;font-weight:700}.tray-foot{font-size:9px;min-height:22px;padding-top:8px;letter-spacing:0}#saved{font-size:8px;white-space:nowrap}#board{position:relative;width:100%;aspect-ratio:6/7;margin-top:10px;touch-action:none;user-select:none}canvas,#bubbles{position:absolute;inset:0;width:100%;height:100%}#bubbles{display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(7,1fr)}.bubble{background:transparent;padding:0;border-radius:50%;min-height:0;touch-action:none}.bubble:focus-visible{outline-offset:-5px}.desk-caption{text-align:center;padding-top:19px;color:#826e50;font:italic 13px Georgia,serif}.rain{display:none;position:absolute;inset:0;z-index:-1;opacity:.25;background:repeating-linear-gradient(112deg,transparent 0 32px,#f7ffffaa 33px,transparent 35px 83px);animation:rain 10s linear infinite}body[data-desk=rain] .desk-scene{background:linear-gradient(135deg,#d2dfe0,#a0b3b8)}body[data-desk=rain] .rain{display:block}body[data-desk=rain] .window-light{opacity:.2}body[data-desk=rain] .desk-top,body[data-desk=rain] .desk-caption{color:#5e7377}body[data-desk=night] .desk-scene{background:radial-gradient(ellipse at 85% 2%,#e4b26b60,transparent 50%),linear-gradient(145deg,#414e60,#232c3c)}body[data-desk=night] .window-light{opacity:.07}body[data-desk=night] .desk-top,body[data-desk=night] .desk-caption{color:#bdc6cb}body[data-case=walnut]{--case-top:#aa8060;--case-bottom:#644831;--case-text:#fff2d7}body[data-case=graphite]{--case-top:#59616a;--case-bottom:#292f37;--case-text:#e0e6e7}body[data-material=keyboard] .toy{background:linear-gradient(145deg,var(--case-top),var(--case-bottom));border-color:#ffffff70;box-shadow:0 15px 20px #201f2835,0 4px 0 #4a413a40,inset 0 0 18px #ffffff20,0 0 24px rgba(214,202,166,var(--glow-opacity))}body[data-material=keyboard] .bubble{border-radius:9px}body[data-material=keyboard] .tray-head,body[data-material=keyboard] .tray-foot{color:var(--case-text)}body[data-material=jelly] .toy{background:linear-gradient(145deg,#fff0e9,#e9c7bf)}body[data-material=ceramic] .toy{background:linear-gradient(145deg,#f0f1ff,#ccd2e4)}footer{display:flex;justify-content:space-between;align-items:center;color:#778272;font-size:11px;padding:5px 4px 0}#reset{background:transparent;font-size:11px}.volume{display:flex;gap:9px;align-items:center}input[type=range]{width:83px;accent-color:#718568;min-height:44px}.hint{text-align:center;font-size:10px;letter-spacing:.3px;margin:3px 0}.builder{background:#fffcf5b8;border:1px solid #fff;border-radius:26px;padding:25px 24px;box-shadow:0 12px 30px #75604508}.builder-heading{display:flex;align-items:center;justify-content:space-between}.builder-heading h2{font:32px Georgia,serif;letter-spacing:-1px;margin:10px 0 21px}.builder-heading>span{font-size:36px;color:#b1b89d}fieldset{border:0;border-top:1px solid #e7e5da;padding:16px 0 17px;margin:0}legend{font-size:9px;letter-spacing:1px;color:#a1a991;padding:0 12px 0 0}legend span{font-weight:600;color:#66735e;letter-spacing:.15px;font-size:11px;margin-left:8px}.switches{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.switches button{border:1px solid #dedfd2;border-radius:12px;background:#fff8;padding:11px 2px 8px;min-width:0}.switches strong{display:block;font-size:12px;font-weight:500}.switches small{display:block;font-size:8px;margin:5px 0 7px;color:#89927d}.switches b{font-size:15px;letter-spacing:2px;color:#bac5a8;font-weight:400}.switches button[aria-pressed=true]{background:#eef2e6;border-color:#90a47c;box-shadow:0 0 0 1px #90a47c30}.switches button[aria-pressed=true] b{color:#6e895c}.preview-sound{display:block;width:100%;font-size:10px;color:#738665;background:transparent;min-height:44px;margin-bottom:-10px}.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.swatches button{background:none;font-size:9px;display:flex;flex-direction:column;align-items:center;gap:8px;padding:4px}.swatches i{width:28px;height:28px;display:block;border-radius:9px;background:linear-gradient(145deg,#fff7,transparent),var(--swatch);border:1px solid #0001;box-shadow:0 3px 0 #30281c20}.swatches button[aria-pressed=true] i{outline:2px solid #8b9e78;outline-offset:3px}.chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.chips button{background:#fff8;border:1px solid #dfdfd1;border-radius:10px;font-size:10px;padding:0 3px}.chips button[aria-pressed=true]{background:#e9eedf;border-color:#96a681}.glow-control{display:flex;align-items:center;gap:10px;font-size:10px;color:#879078;margin-top:8px}.glow-control input{flex:1}.glow-control output{font-size:9px;width:27px}.preset-section{border-top:1px solid #e7e5da;padding-top:17px}.preset-title{display:flex;align-items:center;justify-content:space-between}.preset-title h3{font:19px Georgia,serif;letter-spacing:-.4px;margin:0 0 13px}.preset-title>span{font-size:9px;color:#91a17d}#presetForm{display:flex;gap:7px}#presetName{min-width:0;flex:1;width:100%;border:1px solid #dce0d0;border-radius:10px;background:#fff9;padding:10px;font:11px Arial;color:#53624b}#presetForm button{background:#586f4e;color:white;border-radius:10px;padding:0 12px;font-size:10px;white-space:nowrap}#presetStatus{font-size:9px;line-height:1.5;margin:9px 0 0;color:#859378;min-height:15px}.preset-row{display:flex;gap:6px;margin-top:9px}.preset-load{border:1px solid #dedfd4;background:#fff7;border-radius:11px;padding:10px 12px;flex:1;display:flex;align-items:center;gap:10px;min-width:0;text-align:left}.preset-load i{width:19px;height:22px;border-radius:5px;flex-shrink:0}.preset-load span{min-width:0;overflow-wrap:anywhere}.preset-load strong{display:block;font-size:11px;font-weight:500}.preset-load small{display:block;font-size:8px;color:#8e9983;margin-top:4px}.preset-delete{border-radius:10px;background:#e8e8df80;width:44px;font-size:15px;color:#859178}.page-note{text-align:center;font:italic 12px Georgia,serif;color:#96a088;margin:30px 0 0}dialog{border:1px solid white;border-radius:32px;background:#f4f7ee;width:min(400px,90vw);text-align:center;padding:20px 20px 28px;color:#334840;box-shadow:0 30px 100px #23362f40}dialog::backdrop{background:#273f3655;backdrop-filter:blur(8px)}dialog h2{font:36px Georgia,serif;letter-spacing:-1px;margin:14px 0}#model{height:210px;position:relative}#model canvas{position:relative}#next{display:block;background:#425f50;color:#fff;border-radius:24px;padding:0 24px;margin:24px auto 14px}#modelStatus{font-size:9px;color:#7b8a7e}#qa-results{white-space:pre-wrap;font:11px monospace;padding:20px}@keyframes steam{0%,100%{transform:translateY(0);opacity:.3}50%{transform:translateY(-8px);opacity:.7}}@keyframes rain{to{background-position:83px 120px}}@media(max-width:760px){main{max-width:520px;padding:18px 18px max(20px,env(safe-area-inset-bottom))}.edition{display:none}.intro{margin:24px 0 20px}h1{font-size:46px}.workspace{display:block}.desk-scene{padding:17px 16px 14px;border-radius:25px}.desk-props{height:63px;margin-bottom:6px;transform:scale(.86);transform-origin:50% 60%}.desk-caption{font-size:11px;padding-top:15px}.toy{padding:14px 8px 10px;border-radius:22px}.tray-head{font-size:8px;letter-spacing:1px}.tray-foot{font-size:8px;padding-left:4px;padding-right:4px}.builder{margin-top:25px;padding:24px}.builder-heading h2{font-size:30px}.materials button{font-size:11px}.hint{margin-bottom:8px}.page-note{margin-top:23px}.builder .switches strong{font-size:13px}.builder .switches small{font-size:9px}}@media(max-width:360px){main{padding-left:12px;padding-right:12px}.desk-scene{padding-left:10px;padding-right:10px}.builder{padding:18px}.intro h1{font-size:42px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.mobile-jump,.back-to-keys{display:none}#playArea,#deskBuilder{scroll-margin-top:16px}@media(max-width:760px){.mobile-jump{display:block;text-align:center;margin:9px 0 0}.mobile-jump a,.back-to-keys{font-size:11px;color:#687e58;text-decoration:none;min-height:44px;align-items:center;justify-content:center}.mobile-jump a{display:inline-flex}.back-to-keys{display:flex;border:1px solid #dbe0cf;border-radius:10px;margin:-6px 0 22px}}
@media(max-width:360px){main{padding-left:8px;padding-right:8px}.desk-scene{padding-left:6px;padding-right:6px}.toy{padding-left:4px;padding-right:4px}}