:root{--ink:#543e2e;--muted:#8a745d;--accent:#a8643f;--gold:#e8c184;--paper:#fff9ef;--line:#9a744332;--font:24px;--serif:"Songti SC","STSong","Noto Serif SC",Georgia,serif;--sans:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#e7d2b2;font-family:var(--sans);font-size:16px}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;transition:background .2s,box-shadow .2s,transform .2s}button:disabled{opacity:.32;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,.books:focus-visible{outline:3px solid #aa6747;outline-offset:4px}a{color:inherit;text-decoration:none}svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;display:block}button [data-icon],.hint [data-icon]{display:inline-flex;flex:none}[hidden]{display:none!important}
.room{min-height:100svh;isolation:isolate;position:relative;overflow:hidden;background:linear-gradient(110deg,#fff9e699,#edcfa433),url('assets/wallpaper.png') center top/650px auto}.ambient{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(119deg,transparent 0 10%,#fff9dd55 11% 17%,transparent 18% 24%,#fff9dd40 25% 34%,transparent 35%);mask-image:linear-gradient(#000,transparent 75%)}.site-header{height:100px;margin:0 auto;max-width:1500px;padding:0 5.5%;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #90643b17}.brand{display:flex;gap:12px;align-items:center;flex:none}.brandmark{font:50px/1 Georgia,serif;position:relative;display:block;color:var(--accent);transform:rotate(-13deg)}.brandmark i{font:16px Georgia,serif;position:absolute;right:-6px;top:8px}.brand strong{font:600 33px/1.1 Georgia,serif;letter-spacing:-1.4px}.brand-period{color:var(--accent)}.brand small{display:block;font:12px var(--sans);letter-spacing:6px;margin-top:6px;color:#957650}.site-header nav{display:flex;gap:12px;align-items:center}.site-header nav button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 16px;border:1px solid #9c774d40;border-radius:24px;background:#fff9eb90;box-shadow:0 2px 2px #68452108,inset 0 1px #fff9;font-size:14px}.site-header nav .icon-button{width:44px;padding:10px}.site-header nav button:hover{background:#fff9ef;box-shadow:0 3px 10px #68452116}.music-indicator{width:5px;height:5px;border-radius:50%;background:#a3633e}.intro{text-align:center;padding:25px 0 0}.eyebrow{font-size:11px;letter-spacing:3px;color:#a87b4d;font-weight:600}h1{font:600 33px/1.4 var(--serif);letter-spacing:4px;margin:12px 0 10px}.intro p{font-size:14px;color:var(--muted);margin:0;letter-spacing:1px}main{max-width:1250px;padding:0 65px;margin:0 auto}.toy-shelf{max-width:820px;margin:10px auto 20px;position:relative}.toy-stage{height:145px;margin:auto;width:min(100%,660px);position:relative}.toy-line{width:100%;height:100%;object-fit:contain;object-position:bottom;pointer-events:none;filter:drop-shadow(1px 6px 4px #62432327);display:block}.toy-hotspot{position:absolute;left:0;top:12%;bottom:0;width:17%;background:transparent;border-radius:18px}.toy-hotspot:hover{background:#fff2}.toy-note{position:absolute;left:50%;bottom:85%;white-space:nowrap;transform:translate(-50%,8px);opacity:0;display:flex;align-items:center;gap:6px;font-size:12px;padding:7px 10px;background:#fff8e8;border:1px solid var(--line);border-radius:15px;box-shadow:0 3px 8px #6c472119;transition:.2s}.toy-note svg{width:14px;height:14px}.toy-hotspot:hover .toy-note,.toy-hotspot:focus-visible .toy-note{opacity:1;transform:translate(-50%,0)}.toy-plank{height:12px;border-radius:3px;position:relative;background:linear-gradient(#ffebbf88,#90623722 55%,#6e452a55),url('assets/wood.png') center/650px 200px;box-shadow:0 2px 0 #7a502a55,0 8px 10px #60402033}.toy-plank:before,.toy-plank:after{content:"";position:absolute;top:12px;width:14px;height:14px;background:#966a3e;box-shadow:inset 2px 0 #c09864;clip-path:polygon(0 0,100% 0,0 100%)}.toy-plank:before{left:8%}.toy-plank:after{right:8%}
.library-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:23px 0 0}.tabs{display:flex;gap:5px;background:#ac845013;padding:4px;border:1px solid #a7835220;border-radius:24px}.tabs button{padding:9px 19px;min-height:42px;background:transparent;border-radius:21px;color:#8a7158;font-size:14px;white-space:nowrap}.tabs button.active{background:#fff9ed;color:#785133;box-shadow:0 2px 7px #68452114,inset 0 0 0 1px #b28c5730}.tabs button:hover{color:#5b3b23}.shelf-count{font-size:12px;color:#9a7e5b;white-space:nowrap;letter-spacing:1px}.shelf-row{position:relative;margin:0 -30px 16px}.books{display:flex;gap:32px;overflow-x:auto;scrollbar-width:none;padding:31px 34px 42px;scroll-behavior:smooth;scroll-snap-type:x proximity;touch-action:pan-x pan-y;cursor:grab;user-select:none;min-height:268px}.books.dragging{cursor:grabbing;scroll-behavior:auto;scroll-snap-type:none}.books::-webkit-scrollbar{display:none}.book-wrap{flex:0 0 calc((100% - 96px)/4);min-width:145px;position:relative;text-align:center;perspective:850px;scroll-snap-align:start;scroll-margin-left:34px}.book{position:relative;display:block;width:154px;height:198px;max-width:calc(100% - 14px);padding:0;margin:auto;background:#c1a575;border-radius:2px 6px 6px 2px;transform:rotateY(-8deg) rotate(-1.5deg);transform-origin:center bottom;box-shadow:2px 0 #dbcdb1,5px 0 #f6ead3,7px 0 #cbb893,11px 12px 13px #68421f45;transition:transform .35s ease,box-shadow .35s;overflow:hidden;cursor:pointer}.book-wrap:nth-child(even) .book{transform:rotateY(-8deg) rotate(1.5deg)}.book img{height:100%;width:100%;object-fit:cover;display:block;pointer-events:none}.book:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,#26170c40,transparent 5%,#fff5 7%,transparent 10%,transparent 94%,#0002);box-shadow:inset 0 0 0 1px #ffffff20}.own-cover{position:absolute;inset:0;background:linear-gradient(#16374050,transparent 80%);padding:28px 10px 15px;display:flex;flex-direction:column;align-items:center}.own-cover strong{font:600 22px/1.55 var(--serif);color:#fff0c9;letter-spacing:2px;text-shadow:0 2px 7px #17342c}.own-cover small{font:9px Georgia,serif;color:#f6dfba;letter-spacing:2px;margin-top:8px}.tag{position:absolute;top:0;left:10px;z-index:2;background:#ba794e;color:#fff4df;border-radius:0 0 2px 2px;padding:5px 8px;font-size:10px;letter-spacing:1px}.lock{position:absolute;right:8px;bottom:8px;width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:#fff7e8ed;color:#8a603b;box-shadow:0 1px 4px #0002}.lock svg{width:15px;height:15px}.book-meta{position:absolute;top:calc(100% + 15px);left:0;right:0;z-index:3;display:flex;flex-direction:column;gap:7px;align-items:center;pointer-events:none}.book-title{font-size:13px;color:#59432f;font-weight:500;line-height:1.5;max-width:100%}.book-status{display:flex;align-items:center;gap:4px;color:#997b57;font-size:11px;line-height:1.3}.book-status.free{color:#5e7552}.book-status svg{height:11px;width:11px}.plank{position:absolute;left:0;right:0;bottom:26px;height:16px;border-radius:3px;background:linear-gradient(#ffdfaa77,#d4a16411 24%,#9b663735 30%,#88562c88),url('assets/wood.png') center/750px 200px;box-shadow:0 2px 1px #5d371d33,0 13px 16px #63432230;pointer-events:none}.plank:after{content:"";position:absolute;top:16px;left:1%;right:1%;height:21px;background:linear-gradient(#8b5d3429,transparent);pointer-events:none}.shelf-row{margin-bottom:50px}.shelf-row[hidden]{display:none}.library-bottom{display:flex;align-items:center;justify-content:space-between;margin:3px 0 25px;gap:15px}.hint{display:flex;align-items:center;gap:8px;font-size:12px;color:#9e815f}.hint svg{width:17px;height:17px}.shelf-navigation{display:flex;align-items:center;gap:16px}.round{width:39px;height:39px;display:grid;place-items:center;background:#fff6e580;border:1px solid #9f7a4940;border-radius:50%;box-shadow:0 2px 3px #75552a09}.round:not(:disabled):hover{background:#fff9ef;transform:translateY(-2px)}.round svg{width:16px;height:16px}.shelf-position{font:12px Georgia,serif;letter-spacing:2px;color:#987950;min-width:45px;text-align:center}
.desk{position:relative;min-height:110px;background:linear-gradient(#f8d4a060,#b27b4160),url('assets/wood.png') center/900px auto;box-shadow:0 -4px 1px #fff1ca66,0 -13px 23px #744b2222,inset 0 2px 0 #b9874d66;padding:25px 5.5% 28px}.desk-content{max-width:1280px;margin:auto;display:flex;align-items:center;gap:25px}.room-plaque{display:flex;align-items:center;gap:12px;padding:13px 19px;background:#fffaebd9;border:1px solid #fff5db;border-radius:5px;box-shadow:2px 5px 6px #7e512027;transform:rotate(-2deg)}.plaque-star{font-size:28px;color:#b0864d}.room-plaque strong{display:block;font:600 15px var(--serif);letter-spacing:2px}.room-plaque div>span{display:block;margin-top:6px;font-size:11px;color:#9c805b;letter-spacing:1px}.desk button{display:flex;align-items:center;gap:8px;background:#fff2d32e;border:1px solid #895d352d;padding:10px 14px;border-radius:22px;min-height:44px;font-size:12px;color:#755330}.desk button svg{width:17px;height:17px}.desk-signature{margin-left:auto;font:italic 17px Georgia,serif;color:#7956339c}.evening .room{background-image:linear-gradient(110deg,#f6ce8a66,#ca995255),url('assets/wallpaper.png')}.evening .ambient{opacity:.4}
@media(hover:hover){.book:hover,.book-wrap:nth-child(even) .book:hover{transform:translateY(-12px) rotateY(0) rotate(0) scale(1.035);box-shadow:3px 0 #dbcdb1,6px 0 #f6ead3,8px 0 #cbb893,12px 22px 23px #68421f40}.books.dragging .book{transform:rotateY(-8deg)} }
/* Shared reading controls remain separate from the bright bookroom. */
dialog{border:1px solid #c6a67a;border-radius:22px;background:#fff8ed url('assets/wallpaper.png') center/900px auto;color:var(--ink);padding:38px;width:min(490px,calc(100% - 32px));max-height:calc(100svh - 32px);overflow:auto;box-shadow:0 30px 100px #35220a55}dialog::backdrop{background:#38271975;backdrop-filter:blur(7px)}.close{position:absolute;top:9px;right:10px;width:40px;height:40px;display:grid;place-items:center;background:#f9ebd9aa;border:1px solid #ab855e30;border-radius:50%;font-size:26px;line-height:1;color:#8c7257}h2{font:600 27px/1.5 var(--serif);margin:15px 0}.muted{color:#92785e;font-size:14px;line-height:1.8}label{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:25px 0;font-size:14px}input{accent-color:#ad7049}input[type=range]{width:145px;min-height:30px}input[type=checkbox]{width:21px;height:21px}.primary,.secondary{padding:14px 22px;border-radius:28px;margin-top:12px;min-height:48px}.primary{background:#a96843;color:#fff7e9;width:100%;box-shadow:0 3px 0 #814d2e22}.primary:hover{background:#925938}.secondary{background:#fff7e8;border:1px solid #b894603f;width:100%}.detail-cover{height:193px;width:143px;object-fit:cover;float:left;margin:0 25px 22px 0;border-radius:3px 7px 7px 3px;box-shadow:3px 0 #d2c3a3,6px 0 #f7e8cb,10px 12px 14px #6c4b2530}.detail-info{min-height:215px;padding-top:12px}.detail-info h2{font-size:24px}.detail-info .eyebrow{font-size:10px;letter-spacing:2px}.detail-info p{font-size:13px;line-height:1.9;color:#957957}.detail-note{clear:both;font-size:15px;color:#846c53;line-height:1.9;margin:10px 0}.detail-state{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 10px;border-radius:12px;background:#d9c39b35;color:#936946}.detail-state svg{width:13px;height:13px}.detail-notice{font-size:12px;line-height:1.7;color:#9e886f;margin:17px 0 0}.music-disc{width:75px;height:75px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;color:#ac764e;background:repeating-radial-gradient(#e0c6a1 0 3px,#d7b78e 4px 5px);border:5px solid #eddbbd;box-shadow:0 5px 9px #6c4b2520}.music-disc svg{width:29px;height:29px}#music{text-align:center}.tracks{display:grid;gap:9px;margin:20px 0}.tracks button{background:#fff9ee;padding:13px;border:1px solid #baa07733;border-radius:12px;font-size:14px}.tracks button.active{background:#e5c28e55;color:#935c36;border-color:#b98349}#reader{position:fixed;inset:0;z-index:10;background:#081d26;color:#f5ecda;overflow:hidden}.reader-art{position:absolute;inset:0;background:url('assets/moon-story.png') center/cover;animation:drift 25s ease-in-out infinite alternate}.reader-shade{position:absolute;inset:0;background:linear-gradient(#03192388,transparent 25%,transparent 40%,#041923dd 90%)}#reader header{height:85px;padding:0 5.5%;position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px}.glass{background:#ffffff09;border:1px solid #fff3;border-radius:30px;padding:11px 17px;font-size:14px;min-height:44px;color:#f5ecda}#reader-title{letter-spacing:2px}.story-caption{position:absolute;bottom:120px;left:15%;right:15%;text-align:center}.chapter{font-size:11px;letter-spacing:3px;color:var(--gold)}#story-text{font:400 var(--font)/1.9 var(--serif);text-shadow:0 2px 8px #000;max-width:850px;margin:18px auto}.reader-controls{position:absolute;bottom:35px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:18px;padding:9px 20px;background:#0b242ccc;border:1px solid #ffffff22;border-radius:40px;white-space:nowrap;backdrop-filter:blur(12px);font-size:13px}.reader-controls button{background:transparent;padding:9px;min-height:40px}.reader-controls button.on{color:var(--gold)}.divider{height:20px;border-left:1px solid #ffffff33}.read-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:#ffffff22}.read-progress span{display:block;height:100%;background:var(--gold);transition:width .5s}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:30;background:#fff7e8;color:#765131;border:1px solid #bb905b;border-radius:20px;padding:12px 24px;max-width:90vw;opacity:0;pointer-events:none;transition:opacity .2s;font-size:14px}#toast.show{opacity:1}.no-motion *{animation:none!important;scroll-behavior:auto!important;transition:none!important}@keyframes drift{from{transform:scale(1.02) translateX(-.5%)}to{transform:scale(1.13) translateX(1%)}}
@media(min-width:1000px) and (max-height:820px){.site-header{height:78px}.intro{padding-top:17px}h1{font-size:28px;margin:7px 0}.intro p{font-size:13px}.toy-stage{height:105px;width:530px}.toy-shelf{margin:0 auto 13px;max-width:700px}.library-top{margin-top:17px}.book{width:119px;height:154px}.books{min-height:220px;padding-top:22px;padding-bottom:44px}.book-meta{top:calc(100% + 17px);gap:4px}.book-title{font-size:12px}.book-status{font-size:10px}.shelf-row{margin-bottom:38px}.own-cover{padding-top:24px}.own-cover strong{font-size:18px}.own-cover small{font-size:7px}.tag{font-size:8px;padding:4px 6px}.library-bottom{margin-bottom:19px}.desk{min-height:95px;padding-top:17px;padding-bottom:17px}}
@media(max-width:800px){main{padding:0 37px}.site-header{padding:0 30px}.site-header nav{gap:7px}.site-header nav button{padding:10px 12px}.book-wrap{flex-basis:calc((100% - 64px)/3);min-width:152px}.books{gap:32px}.toy-stage{height:130px}.desk-signature{display:none}.desk-content{justify-content:space-between}.shelf-count{font-size:11px}}
@media(max-width:560px){.site-header{height:88px;padding:0 21px;gap:9px}.brand{gap:7px}.brandmark{font-size:39px}.brandmark i{font-size:12px;right:-4px;top:6px}.brand strong{font-size:27px}.brand small{font-size:10px;letter-spacing:4px;margin-top:5px}.site-header nav{gap:7px}.site-header nav button{padding:10px;width:40px;min-height:40px;height:40px}.site-header nav .icon-button{width:40px}.site-header nav button>span[data-i],#lang-label{display:none}.site-header nav svg{width:18px;height:18px}.music-indicator{position:absolute;transform:translate(11px,-10px)}main{padding:0 22px}.intro{padding-top:24px}.eyebrow{font-size:9px;letter-spacing:2.2px}h1{font-size:27px;letter-spacing:2px;margin:10px 0}.intro p{font-size:12px;letter-spacing:.3px}.toy-shelf{margin:6px -1px 22px}.toy-stage{height:95px;width:100%}.toy-plank{height:10px}.toy-note{font-size:10px;padding:5px 7px}.toy-note svg{width:11px;height:11px}.library-top{gap:5px;margin:0 -3px}.tabs{gap:1px;padding:3px}.tabs button{min-height:38px;padding:8px 12px;font-size:12px}.shelf-count{font-size:10px;letter-spacing:0}.shelf-row{margin:0 -22px 45px}.books{padding:25px 25px 42px;min-height:254px;gap:28px}.book-wrap{flex:0 0 calc((100% - 28px)/2);min-width:140px;scroll-margin-left:25px}.book{width:142px;height:184px}.book-title{font-size:12px;max-width:150px}.book-status{font-size:10px}.book-meta{gap:5px;top:calc(100% + 16px)}.plank{border-radius:1px;height:15px}.own-cover strong{font-size:21px}.own-cover small{font-size:8px}.library-bottom{margin:5px 0 22px;gap:5px}.hint{gap:5px;font-size:10px}.hint svg{width:14px;height:14px}.shelf-navigation{gap:8px}.round{width:35px;height:35px}.shelf-position{font-size:10px;min-width:40px;letter-spacing:1px}.desk{padding:21px 22px 27px;min-height:108px}.desk-content{gap:12px}.room-plaque{padding:10px 12px;gap:8px}.room-plaque strong{font-size:13px;letter-spacing:1px}.room-plaque div>span{font-size:9px;letter-spacing:.5px}.plaque-star{font-size:22px}.desk button{font-size:10px;padding:9px 11px;white-space:nowrap}.desk button svg{width:15px;height:15px}.story-caption{left:7%;right:7%;bottom:140px}#story-text{font-size:calc(var(--font) * .86);line-height:1.8}.reader-art{background-size:auto 100%;background-position:46% center}.reader-controls{gap:7px;padding:8px 10px;bottom:40px;font-size:11px}.reader-controls button{padding:8px 6px}#reader header{padding:0 17px}#reader-title{font-size:11px}.glass{font-size:12px;padding:9px 12px}.detail-cover{width:116px;height:158px;margin-right:20px}.detail-info{min-height:190px}.detail-info h2{font-size:21px}.detail-info p{font-size:12px}.detail-note{font-size:14px}dialog{padding:38px 25px 28px}}
@media(max-width:360px){.brand strong{font-size:23px}.brand small{font-size:9px}.brandmark{font-size:34px}.site-header{padding:0 15px}.site-header nav{gap:4px}.site-header nav button,.site-header nav .icon-button{width:36px;height:38px;min-height:38px;padding:8px}.tabs button{padding:8px 9px}.shelf-count{display:none}.hint{max-width:145px;line-height:1.5}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}
/* Crop only the transparent margin in the asset's layout. */
.toy-stage{height:auto;aspect-ratio:4.25;overflow:hidden}.toy-line{position:absolute;height:auto;width:100%;bottom:-26%;object-fit:initial}.toy-hotspot{z-index:1}.toy-note{bottom:65%;left:95%}
/* Reserve actual scroll-container space for labels below the wooden ledge. */
.books{padding-bottom:80px}.plank{bottom:64px}.book-meta{top:calc(100% + 24px)}.shelf-row{margin-bottom:20px}
html[lang="en"] h1{font-size:30px;letter-spacing:.3px}html[lang="en"] .tabs button{padding-inline:14px}html[lang="en"] .book-title{font-size:12px}html[lang="en"] .book-meta{gap:4px}.music-disc.playing{box-shadow:0 0 0 5px #e2bd7b33,0 5px 9px #6c4b2520}
@media(max-width:560px){html[lang="en"] h1{font-size:25px}html[lang="en"] .tabs button{padding-inline:10px;font-size:11px}html[lang="en"] .hint{max-width:145px;line-height:1.5}}
/* V3: a fixed desk with one horizontally travelling wall shelf. */
body{overflow:hidden}.room{height:100svh;min-height:0;background:none;--desk-height:22svh}.wallpaper{position:absolute;inset:0;z-index:-2;background:url('assets/wallpaper.png') center/620px auto;opacity:0;transition:opacity .85s ease,filter .85s;pointer-events:none}.wallpaper.is-visible{opacity:1}.wallpaper[data-theme="moon"]{filter:sepia(.12) saturate(.65) brightness(.76)}.ambient{z-index:-1;background:linear-gradient(112deg,#fff3d15c,transparent 65%);mask-image:none}.room[data-wall="sea"] .brand,.room[data-wall="sea"] .shelf-count,.room[data-wall="sea"] .hint,.room[data-wall="sea"] .shelf-position{color:#fff2d5}.site-header{position:absolute;left:0;right:0;top:0;height:84px;z-index:8;border:0}.site-header nav button{backdrop-filter:blur(8px);background:#fff7e5cf}.room main{position:absolute;inset:84px 0 var(--desk-height);max-width:none;padding:0;perspective:1200px;transition:transform .9s ease,filter .9s}.intro{display:none}.toy-shelf{position:absolute;left:0;right:0;top:2%;height:28%;max-width:none;margin:0}.toy-stage{width:min(720px,70%);height:100%;aspect-ratio:auto;overflow:hidden}.toy-line{bottom:-25%;width:100%;height:auto}.toy-plank{position:absolute;left:-2%;right:-2%;height:clamp(70px,11svh,110px);top:calc(100% - 3px);background:none;box-shadow:none;border-radius:0;pointer-events:none}.toy-plank img,.plank img{width:100%;height:100%;object-fit:fill;display:block}.toy-plank:before,.toy-plank:after,.plank:after{display:none}.library-top{position:absolute;left:5.5%;right:5.5%;top:calc(32% + 20px);margin:0;z-index:5}.tabs{background:#fff4df8f;backdrop-filter:blur(5px)}.tabs button{min-height:36px;padding:7px 17px}.shelves{position:absolute;left:0;right:0;top:calc(32% + 53px);bottom:0}.shelf-row{height:100%;margin:0!important}.books{position:absolute;inset:0;padding:30px 10vw 64px!important;min-height:0;gap:clamp(70px,9vw,160px);align-items:flex-end;overflow-y:hidden;scroll-snap-type:x mandatory}.book-wrap{min-width:0;flex:0 0 clamp(150px,17vw,230px);height:clamp(150px,30svh,340px);scroll-snap-align:center;scroll-margin-left:0;z-index:2;transition:filter .35s}.book{width:100%;max-width:none;height:100%;overflow:visible;border-radius:3px 7px 7px 3px;transform:rotateY(-12deg);box-shadow:3px 0 #ad9571,7px 0 #f3e6c9,10px 0 #c8b99c,14px 12px 15px #68421f44}.book-wrap:nth-child(even) .book{transform:rotateY(-9deg)}.book img{border-radius:3px 6px 6px 3px}.book:after{border-radius:3px;box-shadow:inset 0 0 0 1px #fff3}.book:before{content:"";position:absolute;inset:-25px -20px;z-index:-1;border-radius:30%;background:radial-gradient(ellipse,#ffeabbd9,transparent 70%);filter:blur(13px);opacity:0;transition:opacity .4s}.book-meta{display:none!important}.book:hover:before,.book:focus-visible:before{opacity:1}.book:hover,.book-wrap:nth-child(even) .book:hover,.book:focus-visible{transform:translateY(-13px) rotateY(-3deg);box-shadow:3px 0 #e4ceac,7px 0 #fff0d7,10px 0 #c8b99c,0 0 25px #ffdf8c99,15px 23px 23px #55311f33}.own-cover{border-radius:3px;overflow:hidden}.tag{display:none}.lock{position:absolute;bottom:14px;right:-20px;width:61px;height:75px;background:none;box-shadow:none;border:0;animation:lock-bob 3.6s ease-in-out infinite;transform-style:preserve-3d;filter:drop-shadow(2px 7px 4px #31231355);pointer-events:none}.lock img{width:100%;height:100%;object-fit:contain}.lock:before{display:none}.book:hover .lock{animation-duration:1.8s}.plank{left:-2%;right:-2%;bottom:-1px!important;height:84px;background:none;box-shadow:none;border:0;border-radius:0;z-index:1}.library-bottom{position:absolute;bottom:-41px;left:50%;transform:translateX(-50%);width:min(650px,85vw);margin:0;z-index:7}.shelf-navigation{background:#fff7e4cc;border-radius:30px;gap:10px;padding:4px 7px;box-shadow:0 3px 10px #57381622}.hint{color:#694b2e;text-shadow:0 1px #fff7;font-size:13px}.round{background:transparent;width:34px;height:34px}.desk{position:absolute;left:0;right:0;bottom:0;height:var(--desk-height);min-height:0;padding:0;z-index:4;background:linear-gradient(#ffdda655,transparent 40%),url('assets/wood.png') center/1000px auto;border-top:4px solid #c38b4a;box-shadow:0 -8px 10px #68442233,inset 0 3px #f9d9a2}.desk:before{content:"";position:absolute;left:0;right:0;top:-15px;height:15px;background:linear-gradient(#e9ddc3,#c6b798);border-top:2px solid #fff4df;z-index:-1}.desk-objects{position:absolute;inset:0;pointer-events:none;background:url('assets/desk-3d.png') center 59%/cover;opacity:1;mask-image:linear-gradient(#000, #000 75%,transparent)}.desk-content{position:absolute;left:5%;right:5%;bottom:18px;z-index:1}.room-plaque{padding:9px 15px}.desk-signature{color:#684522}.desk-active main{transform:translateY(-18%) scale(.94);filter:blur(3px)}
@keyframes lock-bob{0%,100%{transform:translateY(0) rotate(-8deg) rotateY(-15deg)}50%{transform:translateY(-8px) rotate(8deg) rotateY(18deg)}}
/* The intermediate landing scene is an actual Blender-rendered tabletop. */
#detail.landing-dialog{position:fixed;inset:0;margin:0;width:100vw;height:100svh;max-width:none;max-height:none;padding:0;border:0;border-radius:0;background:transparent;overflow:hidden;color:#533922;box-shadow:none}#detail::backdrop{background:#39271550;backdrop-filter:none}.landing-desk{position:absolute;inset:0;background:url('assets/desk-3d.png') center/cover;animation:desk-arrive .9s ease both}#detail>.close{position:absolute;right:4%;top:25px;z-index:6;background:#fff6e5ed;width:46px;height:46px;font-size:30px}.landing-caption{position:absolute;left:50%;top:30px;transform:translateX(-50%);padding:10px 23px;border:1px solid #bfa072;background:#fff5dfcc;backdrop-filter:blur(8px);border-radius:30px;font-size:13px;z-index:2;white-space:nowrap}.detail-info{padding:0;margin:0;min-height:0}.landed-book{position:absolute;left:26%;top:18%;width:clamp(205px,28vw,430px);height:clamp(270px,47svh,570px);transform:perspective(1000px) rotateX(22deg) rotateZ(-6deg);transform-origin:center;opacity:0;transition:opacity .1s;box-shadow:5px 9px #f2e2bc,8px 15px #d4c2a1,10px 20px #f9ebcd,18px 26px 17px #4f311344;border-radius:4px}.detail-cover{height:100%;width:100%;margin:0;float:none;border-radius:4px;box-shadow:none;object-fit:cover}.landing-cover-title{position:absolute;top:13%;left:8%;right:8%;color:#fff1c3;font:600 clamp(22px,3vw,38px)/1.5 var(--serif);text-align:center;text-shadow:0 2px 7px #15332d;letter-spacing:3px}.landing-cover-title small{display:block;font:11px Georgia,serif;margin-top:8px;letter-spacing:3px}.landing-card{position:absolute;right:9%;bottom:9%;width:min(375px,34vw);padding:28px 30px 22px;text-align:center;background:#fff7df url('assets/wallpaper.png') center/900px;border:5px double #ac8553;border-radius:12px;box-shadow:0 10px 18px #54311644,inset 0 0 0 7px #fff9e6;opacity:0;transform:translateY(20px);transition:opacity .45s,transform .45s}.landing-card .eyebrow{font-size:10px;letter-spacing:2px}.landing-card h2{font-size:25px;margin:12px 0}.landing-card .detail-note{font-size:14px;line-height:1.8;margin:10px 0}.landing-card .detail-notice{font-size:11px;margin:12px 0 0}.landing-card .primary,.landing-card .secondary{font-size:14px;min-height:42px;padding:11px 16px}.landed .landed-book,.landed .landing-card{opacity:1}.landed .landing-card{transform:translateY(0)}.card-lock{width:33px;height:42px;object-fit:contain;animation:lock-bob 3s ease-in-out infinite}.landing-card .detail-state{justify-content:center}.flying-book{position:fixed;z-index:5;transform-origin:top left;pointer-events:none;background:#a38b60;border-radius:4px;box-shadow:5px 3px #ece0c4;will-change:transform}.flying-book>img{display:block;width:100%;height:100%;object-fit:cover;border-radius:4px}.flying-book .landing-cover-title{font-size:24px}#detail:not(.landed) .close{opacity:.7}@keyframes desk-arrive{from{transform:scale(1.1);filter:brightness(.85)}to{transform:scale(1);filter:brightness(1)}}
@media(min-width:1600px){.toy-stage{width:820px}.books{padding-bottom:75px!important}.plank{height:98px}.book-wrap{height:34svh;flex-basis:240px}}
@media(max-width:800px){.room{--desk-height:23svh}.toy-stage{width:85%}.site-header{padding:0 24px}.book-wrap{flex-basis:180px;height:27svh}.books{gap:65px;padding-inline:12vw!important}.landing-card{right:6%;width:42vw}.landed-book{left:15%;width:35vw;top:21%;height:40svh}.library-top{top:calc(32% + 10px)}.shelves{top:calc(32% + 48px)}}
@media(max-width:560px){.room{--desk-height:24svh}.site-header{height:78px;padding:0 18px}.room main{top:78px}.toy-shelf{top:1%;height:24%}.toy-stage{width:95%;height:100%}.toy-line{bottom:-22%}.toy-plank{left:-18%;right:-18%;height:67px}.library-top{top:calc(25% + 20px);left:17px;right:17px}.tabs button{font-size:11px;padding:7px 10px}.shelves{top:calc(25% + 57px)}.books{padding:25px calc((100vw - 160px)/2) 59px!important;gap:74px;scroll-snap-type:x mandatory}.book-wrap{flex:0 0 160px;height:min(29svh,224px)}.plank{height:76px;left:-14%;right:-14%}.book{transform:rotateY(-10deg)}.book-wrap:nth-child(even) .book{transform:rotateY(-10deg)}.lock{width:53px;height:65px;bottom:13px;right:-18px}.own-cover strong{font-size:23px}.library-bottom{bottom:-38px;width:90vw}.hint{font-size:10px;max-width:155px;line-height:1.5}.shelf-navigation{gap:5px;padding:2px 4px}.shelf-position{font-size:10px}.desk-content{left:5%;right:5%;bottom:16px}.desk-objects{background-size:auto 180%;background-position:center 50%;opacity:.65}.room-plaque{padding:8px 10px}.room-plaque strong{font-size:12px}.room-plaque div>span{font-size:9px}.desk button{font-size:10px;background:#fff2d3a8}.landing-desk{background-position:43% center}.landed-book{left:calc(50% - 100px);width:200px;height:263px;top:14%;transform:perspective(900px) rotateX(23deg) rotateZ(-5deg)}.landing-card{left:50%;right:auto;bottom:5%;width:min(330px,88vw);padding:19px 21px 16px;transform:translate(-50%,20px)}.landed .landing-card{transform:translate(-50%,0)}.landing-card h2{font-size:22px;margin:8px 0}.landing-card .detail-note{font-size:12px;line-height:1.7}.landing-card .detail-notice{font-size:10px}.landing-caption{top:22px;font-size:11px;padding:8px 15px;max-width:70vw}#detail>.close{top:16px;right:13px;width:36px;height:36px}.landing-cover-title{font-size:24px}.landing-card .eyebrow{font-size:9px}.landing-card .primary,.landing-card .secondary{margin-top:7px}.card-lock{height:31px;width:25px}}
@media(max-height:600px){.site-header{height:64px}.room main{top:64px}.toy-shelf{height:20%;top:0}.toy-stage{width:330px}.library-top{top:calc(20% + 10px)}.shelves{top:calc(20% + 47px)}.book-wrap{height:28svh;flex-basis:130px}.toy-plank{height:52px}.books{padding-bottom:44px!important}.plank{height:57px}.desk-content{bottom:8px}.room-plaque{padding:5px 10px}.room-plaque div>span{display:none}.landing-card{bottom:4%;padding:16px 20px;width:38vw;left:auto;right:4%;transform:translateY(20px)}.landed .landing-card{transform:translateY(0)}.landed-book{top:17%;left:20%;width:180px;height:240px}.landing-card h2{font-size:20px}.landing-card .detail-note{font-size:12px}.landing-caption{top:13px}}
.toy-stage{position:absolute;left:50%;bottom:0;transform:translateX(-50%);height:auto;aspect-ratio:4.25}.toy-line{bottom:-26%}.toy-plank img{transform:translateY(-28%)}
/* Smaller scenes still keep the selected book clear of navigation. */
@media(max-width:560px){.toy-stage{height:auto}.library-top{z-index:6}}
.book-wrap{flex:0 0 auto;width:auto;aspect-ratio:.74;height:min(30svh,100%)}
@media(max-width:560px){.book-wrap{flex:0 0 160px;height:min(29svh,224px)}}
@media(max-height:600px){.book-wrap{flex:0 0 auto;width:auto;height:min(28svh,100%)}}
/* V4: quieter upper shelf, eye-level books and a separate foreground lamp. */
.room{--desk-height:22svh}.room main{bottom:calc(var(--desk-height) + 32px)}.toy-shelf{top:0;height:20%}.toy-stage{width:min(520px,65vw);height:100%;aspect-ratio:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:15px;overflow:visible}.toy-piece{position:relative;width:calc((100% - 75px)/6);height:100%;max-height:95px;padding:0;border:0;background:transparent;perspective:500px;touch-action:manipulation;flex:none}.toy-sprite{display:block;width:100%;height:100%;background-image:url('assets/toys.png');background-size:600% auto;background-position:var(--toy-pos) 55%;background-repeat:no-repeat;filter:drop-shadow(1px 3px 2px #6d472730);transform-origin:center 70%}.toy-piece:hover{transform:translateY(-2px)}.toy-plank{top:calc(100% - 8px)}.library-top{top:calc(22% + 17px)}.shelves{top:calc(22% + 59px)}.books{align-items:center;padding-top:16px!important;padding-bottom:38px!important}.book-wrap{height:min(32svh,calc(100% - 22px));aspect-ratio:.72;flex:0 0 auto;width:auto}.book,.book-wrap:nth-child(even) .book{transform:rotateY(-4deg);box-shadow:3px 0 #dcc8a1,6px 0 #f9edcf,8px 0 #c5ad87,12px 12px 13px #54331d33}.book:hover,.book-wrap:nth-child(even) .book:hover,.book:focus-visible{transform:translateY(-8px) rotateY(0deg)}.plank{bottom:9px!important;height:70px}.library-bottom{bottom:-33px}.desk{overflow:visible}.desk-objects{background-image:none;mask-image:none}.desk-lamp{position:absolute;width:clamp(120px,16vw,210px);height:clamp(160px,25svh,280px);left:1.5%;bottom:32%;z-index:8;pointer-events:none}.desk-lamp img{position:absolute;width:100%;height:100%;object-fit:contain;transition:opacity 1s}.lamp-night{opacity:0}.desk-content{left:22%;bottom:17px}.desk-signature{font-size:14px}.desk:before{height:8px;top:-8px}.room-plaque{transform:rotate(-1deg)}
.night .wallpaper{filter:brightness(.44) saturate(.75)}.night .wallpaper[data-theme="moon"]{filter:brightness(.4) saturate(.7)}.night .ambient{background:radial-gradient(ellipse at 8% 84%,#ffc37633,transparent 58%)}.night .brand,.night .hint,.night .shelf-count{color:#f2dbb7}.night .toy-plank,.night .plank{filter:brightness(.62)}.night .toy-sprite{filter:brightness(.65) drop-shadow(1px 3px 2px #0004)}.night .desk{background-image:radial-gradient(ellipse at 10% 20%,#d7a45c80,transparent 65%),linear-gradient(#22180bbb,#241909aa),url('assets/wood.png');border-color:#715334}.night .desk:before{filter:brightness(.55)}.night .lamp-day{opacity:0}.night .lamp-night{opacity:1}.night .desk-lamp:before{content:"";position:absolute;inset:15% -30% -20%;background:radial-gradient(ellipse,#ffc57930,transparent 65%);pointer-events:none}.night .desk-signature{color:#dec49e}.night .landing-desk{background-image:url('assets/desk-night.png')}
/* Fixed cover aspect ratio and a shared landing element prevent the elongated-book jump. */
#detail-content{position:absolute;inset:80px 5% 35px;display:flex;align-items:center;justify-content:center}.detail-info{width:min(880px,100%);height:100%;display:flex;align-items:center;justify-content:center;gap:clamp(28px,5vw,80px)}.landed-book{position:relative;left:auto;top:auto;flex:0 0 auto;width:min(29vw,calc(62svh * .72),340px);height:auto;aspect-ratio:.72;transform:none;transform-origin:top left;transition:none;box-shadow:4px 4px #f4e3c0,7px 9px #cfb993,9px 14px #f8e8c9,14px 22px 18px #58341244}.detail-cover{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.landing-card{position:relative;inset:auto;width:min(340px,39vw);flex:0 1 340px;padding:23px 25px 20px;max-height:100%;overflow:auto;transform:translateY(16px);background:#fff5df;border:3px double #ba965c}.landed .landing-card{transform:translateY(0)}.landing-desk{background-size:cover;background-position:center}.landing-card h2{font-size:24px}.landing-cover-title{font-size:clamp(20px,2.4vw,30px);letter-spacing:2px;top:10%;line-height:1.5}.landing-card .detail-note{font-size:14px}.landing-card .detail-notice{font-size:12px}.landing-caption{top:23px}.desk-active main{transform:none;filter:none}
@media(max-width:900px){.desk-lamp{width:150px;height:210px;left:-1%;bottom:35%}.toy-stage{width:60vw;gap:12px}.toy-piece{width:calc((100% - 60px)/6);max-height:85px}.shelves{top:calc(22% + 56px)}.landing-card{width:40vw;padding:20px}.landed-book{width:min(30vw,calc(54svh * .72))}}
@media(max-width:620px),(max-aspect-ratio:3/4){#detail-content{inset:70px 18px 22px}.detail-info{flex-direction:column;gap:25px}.landed-book{width:auto;height:min(37svh,360px);aspect-ratio:.72;flex:none}.landing-card{width:min(350px,90vw);flex:none;max-height:36svh;padding:18px 22px 16px;left:auto;right:auto;bottom:auto;transform:translateY(16px)}.landed .landing-card{transform:translateY(0)}.landing-card h2{font-size:22px;margin:7px 0}.landing-card .detail-note{font-size:13px;line-height:1.7}.landing-card .detail-notice{font-size:11px}.landing-card .primary,.landing-card .secondary{padding:10px 14px;min-height:42px}.landing-cover-title{font-size:23px}.landing-caption{top:20px}.landing-desk{background-size:auto 100%;background-position:40% center}}
@media(max-width:560px){.room{--desk-height:21svh}.room main{bottom:calc(var(--desk-height) + 24px)}.toy-shelf{height:16%;top:0}.toy-stage{width:83vw;gap:10px}.toy-piece{max-height:63px;width:calc((100% - 50px)/6)}.toy-plank{height:56px;top:calc(100% - 4px)}.library-top{top:calc(17% + 18px)}.shelves{top:calc(17% + 65px)}.books{padding-top:12px!important;padding-bottom:45px!important;align-items:center}.book-wrap{flex:0 0 auto;height:min(34svh,calc(100% - 20px));width:auto;aspect-ratio:.72}.plank{height:64px;bottom:4px!important}.library-bottom{bottom:-32px}.desk-lamp{height:165px;width:124px;left:-10px;bottom:29%}.desk-content{left:32%;bottom:14px}.desk-signature{display:none}.room-plaque{padding:8px 10px}.hint{max-width:140px}.landing-cover-title{font-size:21px}}
@media(max-height:580px){.toy-stage{width:340px;gap:12px}.toy-piece{max-height:50px}.room main{top:64px}.library-top{top:calc(18% + 8px)}.shelves{top:calc(18% + 49px)}.book-wrap{height:min(31svh,100%)}.books{padding:8px 10vw 32px!important}.plank{height:50px;bottom:0!important}.desk-lamp{height:140px;width:110px}.desk-content{bottom:8px}#detail-content{inset:56px 5% 20px}.detail-info{flex-direction:row;gap:35px}.landed-book{width:auto;height:66svh}.landing-card{width:40vw;max-height:75svh;flex:0 1 340px;padding:15px 20px}.landing-card h2{font-size:20px}.landing-card .detail-note{font-size:12px}.landing-card .detail-notice{font-size:10px}.landing-cover-title{font-size:19px}.landing-card .eyebrow{font-size:9px}}
.books{align-items:flex-end;padding-bottom:64px!important}.toy-piece{height:auto;aspect-ratio:.7;max-height:none}.toy-sprite{background-position:var(--toy-pos) 35%}
@media(max-width:560px){.books{padding-bottom:55px!important}}
@media(max-height:580px){.books{padding-bottom:44px!important}.toy-stage{width:300px}}
.toy-piece:nth-child(1) .toy-sprite{background-size:571% auto;background-position:0% 35%}.toy-piece:nth-child(2) .toy-sprite{background-size:606% auto;background-position:21.56% 35%}.toy-piece:nth-child(3) .toy-sprite{background-size:690% auto;background-position:41.52% 35%}.toy-piece:nth-child(4) .toy-sprite{background-size:769% auto;background-position:58.05% 35%}.toy-piece:nth-child(5) .toy-sprite{background-size:532% auto;background-position:78.82% 35%}.toy-piece:nth-child(6) .toy-sprite{background-size:606% auto;background-position:100% 35%}
.desk-train{position:absolute;right:4%;top:14%;width:clamp(90px,11vw,150px);height:auto;pointer-events:none;z-index:2}.night .desk-train{filter:brightness(.65)}
.landing-desk,.night .landing-desk{background-image:url('assets/desk-clear.png');background-size:cover;background-position:center}.night .landing-desk{filter:brightness(.36)}
.landing-lamp{position:absolute;left:2%;top:14%;width:clamp(130px,19vw,270px);height:clamp(180px,30vw,360px);pointer-events:none}.landing-lamp img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.night .landing-lamp:after{content:"";position:absolute;inset:35% -30% -60%;background:radial-gradient(ellipse,#ffd28d33,transparent 70%);z-index:-1}.landing-train{position:absolute;right:3%;top:16%;width:clamp(90px,15vw,210px);pointer-events:none}.night .landing-train{filter:brightness(.6)}
#detail-content{z-index:2}.landing-caption{z-index:3}
@media(max-width:620px),(max-aspect-ratio:3/4){.landing-lamp{left:-25px;top:9%;width:130px;height:175px}.landing-train{right:0;top:11%;width:105px}.desk-train{width:85px;right:5%;top:8%}}
@media(max-height:580px){.landing-lamp{left:-20px;width:115px;height:160px;top:16%}.landing-train{width:85px;right:1%;top:12%}}

.landing-lamp{left:0;width:clamp(100px,14vw,200px);height:clamp(150px,23vw,310px)}.night .lamp-night{filter:brightness(1.18) drop-shadow(0 0 12px #ffd49844)}
@media(max-width:620px),(max-aspect-ratio:3/4){.landing-lamp{left:2px;top:10%;width:84px;height:124px}}