:root{--ink:#302d28;--muted:#8c8170;--red:#75272d;--line:#d8d0c3;--paper:#fffdf8}*{box-sizing:border-box}body{margin:0;background:#eee7db;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Noto Sans JP',sans-serif;font-size:13px;-webkit-font-smoothing:antialiased;overflow:hidden;height:100svh}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}button:disabled{cursor:default;opacity:.3}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--red);outline-offset:4px}button:hover{filter:brightness(.93)}.header{position:fixed;z-index:4;top:23px;left:28px;right:28px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.header>*{pointer-events:auto}.identity{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:15px;letter-spacing:.14em;font-weight:600}.identity small{display:block;font-size:7px;letter-spacing:.2em;margin-top:6px;color:#8b7d68}.brand-mark{width:27px;height:32px;border:1.5px solid var(--red);display:flex;flex-direction:column;justify-content:space-evenly}.brand-mark i{height:1.5px;background:var(--red)}.brand-mark i:last-child{display:none}.header-middle{display:none}.header-right{display:flex;align-items:center;gap:24px}.unofficial{color:#8f816b;font-size:9px;letter-spacing:.06em}.text-button{font-size:10px}.text-button span{margin-left:9px;color:var(--red)}.workspace,.viewer-column,.stage,#scene{position:absolute;inset:0}.workspace{height:100svh}.stage{overflow:hidden;background:#eae4d8}canvas{width:100%;height:100%;display:block;touch-action:none;outline:none}.sidebar{position:absolute;z-index:3;top:104px;left:28px;width:244px;pointer-events:none}.sidebar>*{pointer-events:auto}.eyebrow{font-size:8px;font-weight:600;letter-spacing:.17em;color:var(--muted);margin:0}.intro h1{font-family:'Hiragino Mincho ProN','Yu Mincho',serif;font-weight:500;font-size:34px;line-height:1.5;letter-spacing:.08em;margin:15px 0 0}.lead{display:none}.product-options{padding:16px 0 0;margin-top:5px}.option-line{display:flex;align-items:center;margin-bottom:13px;gap:10px}.field-label{font-size:10px;color:#8b7d67;width:24px;flex-shrink:0}.segmented{display:flex;background:#fffaf0a6;border:1px solid #d5cbb8a0;border-radius:5px;padding:3px;flex:1;gap:3px;backdrop-filter:blur(10px)}.segmented button{border-radius:3px;flex:1;font-size:11px;padding:6px 9px;white-space:nowrap}.segmented button[aria-pressed=true]{background:var(--paper);box-shadow:0 1px 4px #44351c10}.finishes{display:flex;gap:13px}.finishes button{font-size:9px;display:flex;align-items:center;gap:7px;padding:4px 0;color:#8d806c;white-space:nowrap}.finishes button[aria-pressed=true]{color:var(--ink)}.swatch{width:16px;height:16px;display:inline-block;border-radius:50%;background-size:cover;position:relative}.swatch.oak{background-image:url('assets/oak-color.png')}.swatch.walnut{background-image:url('assets/walnut-color.png')}.finishes button[aria-pressed=true] .swatch:after{content:'';position:absolute;inset:-3px;border:1px solid #8c7a61;border-radius:50%}.dimensions{font-size:9px;color:#887a65;margin:4px 0 0 34px;letter-spacing:.01em}.step-heading{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;margin-top:22px;width:100%;border:1px solid #d5cbb8a0;border-radius:5px;background:#fffdf7b3;backdrop-filter:blur(10px)}.step-heading .eyebrow{font-size:10px;letter-spacing:.06em;color:#76654d;font-weight:400}.step-heading b{font-size:13px;margin-left:7px;font-weight:400}.step-heading>span:last-child{font-size:14px;color:var(--red);font-variant-numeric:tabular-nums}.step-heading em{font-size:9px;color:#9d8c74;font-style:normal}.steps{display:none;flex-direction:column;gap:2px;position:absolute;top:100%;margin-top:7px;width:100%;padding:9px;background:#fffdf8f5;border:1px solid #ddd3c1;border-radius:6px;box-shadow:0 6px 24px #47361612;max-height:calc(100svh - 410px);overflow:auto;backdrop-filter:blur(12px)}.steps.is-open{display:flex}.step{display:flex;align-items:center;gap:11px;border-radius:4px;text-align:left;width:100%;padding:8px 7px;font-size:11px;color:#7a6d59}.step .n{width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:8px;border:1px solid #cfc3af;border-radius:50%;flex-shrink:0;color:#a5947a;font-variant-numeric:tabular-nums}.step[aria-current=step]{background:#eee7da;color:var(--ink)}.step[aria-current=step] .n{background:var(--red);color:#fff;border-color:var(--red)}.step .arrow{margin-left:auto;opacity:0;color:var(--red)}.step[aria-current=step] .arrow{opacity:1}.sidebar-bottom,.footer,.scene-title,.orientation{display:none}.loading{position:absolute;inset:0;background:#eae4d8;z-index:6;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#9b8e79;font-size:11px;letter-spacing:.1em}.loading span{width:26px;height:26px;border:1px solid #d7c9b4;border-top-color:var(--red);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error{position:absolute;inset:0;z-index:7;background:#eee9df;padding:30px;color:var(--red)}.stage-top{position:absolute;z-index:2;top:85px;right:28px;display:flex;gap:17px;align-items:center}.view-modes{background:#fffdf7d4;border:1px solid #d8cfbfa6;border-radius:5px;padding:3px;display:flex;gap:2px;backdrop-filter:blur(10px)}.view-modes button{font-size:10px;min-width:48px;padding:7px 9px;border-radius:3px;color:#91826d}.view-modes button[aria-pressed=true]{background:#fffdf8;color:#3f372b;box-shadow:0 1px 4px #332d1b09}.view-tools{display:flex;gap:15px}.tool-button{display:flex;align-items:center;gap:6px;color:#7b6b53;font-size:10px;padding:8px 0}.tool-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}.tool-button[aria-pressed=true]{color:var(--red)}.part-label{position:absolute;left:50%;top:48%;border:1px solid #d8ccba;background:#fffef9ed;backdrop-filter:blur(8px);padding:9px 14px;border-radius:40px;font-size:10px;box-shadow:0 2px 15px #33230b06;color:#65563e;white-space:nowrap}.part-label:before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--red);margin-right:8px;vertical-align:1px}.manual-tile{position:absolute;bottom:167px;right:28px;width:198px;background:#fffef9eb;border:1px solid #ded4c2;padding:12px 12px 9px;border-radius:5px;box-shadow:0 4px 24px #442c0906;backdrop-filter:blur(10px)}.tile-head{display:flex;justify-content:space-between;align-items:center;color:#89775b;font-size:9px;margin-bottom:8px}.tile-head button{padding:0;font-size:13px}.drawing-open{display:block;padding:0;width:100%;height:142px;background:#fff;overflow:hidden;border-radius:2px}.drawing-open img{height:100%;width:100%;object-fit:contain}.manual-tile>span{display:block;margin-top:7px;color:#a38f72;letter-spacing:.03em;font-size:8px;text-align:right}.stage-bottom{position:absolute;left:50%;transform:translateX(-50%);bottom:131px;display:flex;flex-direction:column;align-items:center;gap:9px;color:#8b795b;font-size:9px;white-space:nowrap}.gesture{display:flex;gap:7px;align-items:center}.gesture svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1}.gesture i{font-style:normal;margin:0 3px}.auto-camera{display:flex;align-items:center;gap:7px;font-size:8px;color:#938061;padding:4px 0}.status-dot{width:4px;height:4px;border-radius:100%;background:#b4a288}.auto-camera[aria-pressed=true] .status-dot{background:#8a7352;box-shadow:0 0 0 3px #8a735215}.instruction{position:absolute;bottom:157px;left:28px;width:320px;display:grid;grid-template-columns:29px 1fr;gap:14px;padding:19px 19px 17px;border:1px solid #d9cfbda0;border-radius:6px;background:#fffdf6cd;backdrop-filter:blur(12px)}.instruction-number{font-family:Georgia,serif;font-size:27px;font-weight:400;line-height:1;margin-top:14px;color:#b6a487;font-variant-numeric:tabular-nums}.instruction-copy{min-width:0}.instruction-kicker{font-size:7px;font-weight:600;letter-spacing:.14em;color:#8e795a;margin:0 0 8px}.instruction-copy h2{font-size:17px;font-weight:500;line-height:1.7;letter-spacing:.01em;margin:0 0 8px;text-wrap:pretty}.instruction-copy>p:not(.instruction-kicker){font-size:10px;line-height:1.9;color:#7f7058;margin:0}.instruction-copy p.tip{color:#92754f;font-size:9px;margin-top:6px}.primary{grid-column:2;background:var(--red);color:#fff;padding:9px 13px;border-radius:3px;font-size:10px;display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:2px;width:max-content;min-width:145px}.primary span{font-size:15px}.timeline-panel{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:23px;align-items:center;padding:17px 22px;width:min(742px,calc(100% - 56px));height:82px;background:#fffdf7eb;border:1px solid #d8cdb9b0;border-radius:7px;backdrop-filter:blur(15px);box-shadow:0 6px 30px #4432150a}.playback{display:flex;align-items:center;gap:13px}.round-button{font-size:25px;color:#a39070;padding:0 3px}.play-button{border:1px solid #d5c7b1;border-radius:50%;width:33px;height:33px;color:#765943;font-size:10px;padding-left:8px}.play-button.playing{background:var(--red);border-color:var(--red);color:white;padding-left:6px}.timeline{flex:1;min-width:0}.timeline-labels{display:flex;align-items:center;justify-content:space-between;font-size:8px;color:#a99575;margin-bottom:5px}.timeline-labels #time-indicator{color:#756040;letter-spacing:.07em}.timeline input{width:100%;display:block;appearance:none;-webkit-appearance:none;height:2px;background:#ded7cb;margin:10px 0;cursor:pointer;touch-action:pan-y}.timeline input::-webkit-slider-thumb{appearance:none;width:11px;height:11px;background:#967a5b;border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px #b2a18b}.tick-labels{display:flex;justify-content:space-between;font-size:7px;color:#aa9574;padding:0 1px}.speed{font-size:10px;color:#8b7556;min-width:26px}dialog{border:1px solid #d7cdbc;color:var(--ink);padding:0;background:#fbfaf7;box-shadow:0 25px 80px #332b2344;border-radius:7px;max-height:90svh}dialog::backdrop{background:#30291e6b;backdrop-filter:blur(5px)}.dialog-head{padding:23px 26px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e2dacc}.dialog-head h2{font-size:18px;margin:8px 0 0;font-weight:500;letter-spacing:.04em}.close{font-size:26px;color:#a4957e;padding:5px 0 5px 20px}.manual-dialog{width:min(800px,94vw)}.manual-navigation{display:flex;justify-content:space-between;padding:12px 24px;background:#f0ede6;color:#8c7657;font-size:11px}.manual-navigation button{font-size:11px}.manual-page-scroll{overflow:auto;height:64svh;background:#e8e3d9;padding:20px}.manual-page-scroll img{display:block;max-width:100%;width:620px;margin:0 auto;background:white;box-shadow:0 2px 10px #4b3d2412}.dialog-foot{padding:14px 24px;display:flex;justify-content:space-between;color:#a08a6c;font-size:9px}.dialog-foot a{text-decoration:none;color:var(--red)}.sources-dialog{width:min(620px,94vw)}.about-copy{padding:20px 27px 28px;overflow:auto;max-height:71svh;line-height:2;color:#857258;font-size:12px}.about-copy h3{font-size:12px;margin:25px 0 7px;color:#685c48;font-weight:600}.about-copy p{margin:7px 0}.about-copy a{color:var(--red);font-size:11px;text-underline-offset:4px}.about-copy .credits{border-top:1px solid var(--line);padding-top:19px;margin-top:24px;font-size:9px}body[data-view=drawing]{background:white}body[data-view=drawing] .stage{background:white}body[data-view=drawing] .instruction,body[data-view=drawing] .timeline-panel,body[data-view=drawing] .manual-tile,body[data-view=drawing] .step-heading,body[data-view=drawing] .segmented,body[data-view=drawing] .view-modes{background:#ffffffed;border-color:#d3d3d3}body[data-view=drawing] .part-label{background:white;border-color:#777;color:#171717}body[data-view=drawing] .instruction-copy h2{color:#171717}
@media(min-width:1550px){.sidebar{left:40px;top:112px;width:270px}.intro h1{font-size:39px}.header{left:40px;right:40px;top:29px}.instruction{left:40px;bottom:170px;width:345px;padding:22px;gap:16px}.instruction-copy h2{font-size:19px}.instruction-copy>p:not(.instruction-kicker){font-size:11px}.manual-tile{right:40px;bottom:170px;width:220px}.drawing-open{height:158px}.stage-top{right:40px;top:100px}}
@media(max-height:720px) and (min-width:701px){.sidebar{top:85px}.intro h1{font-size:29px;margin-top:10px}.product-options{padding-top:13px}.option-line{margin-bottom:10px}.step-heading{margin-top:17px}.instruction{bottom:132px;padding:15px;width:300px;gap:11px}.instruction-copy h2{font-size:15px}.instruction-copy>p:not(.instruction-kicker){font-size:9px}.instruction-copy p.tip{font-size:8px}.instruction-number{font-size:25px}.primary{padding:8px 11px}.manual-tile{bottom:138px;width:180px}.drawing-open{height:120px}.stage-bottom{bottom:118px}.timeline-panel{bottom:20px;height:77px}.stage-top{top:75px}.steps{max-height:calc(100svh - 350px)}}
@media(max-width:1000px) and (min-width:701px){.sidebar{width:220px}.instruction{width:275px;left:24px}.manual-tile{width:150px;right:22px}.drawing-open{height:110px}.stage-top{gap:11px;right:24px}.tool-button span{display:none}.view-tools{gap:13px}.stage-bottom{left:60%}.finishes{gap:10px}.finishes button{font-size:8px}.intro h1{font-size:30px}}
@media(max-width:700px){.header{top:20px;left:18px;right:18px}.identity{font-size:13px;gap:9px}.identity small{font-size:6px}.brand-mark{width:23px;height:27px}.unofficial{display:none}.text-button{font-size:8px}.text-button span{margin-left:4px}.sidebar{top:75px;left:18px;right:18px;width:auto}.intro .eyebrow{font-size:7px}.intro h1{font-size:23px;line-height:1.4;margin:9px 0 0;letter-spacing:.04em}.intro h1 br{display:none}.product-options{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:0;margin-top:13px}.option-line{margin:0;gap:0}.option-line:first-child{width:134px}.field-label{display:none}.segmented{padding:3px;gap:2px}.segmented button{font-size:10px;padding:5px 9px}.finishes{gap:11px}.finishes button{font-size:8px;gap:6px}.swatch{width:13px;height:13px}.dimensions{flex-basis:100%;font-size:8px;margin:0;color:#8d7b5e}.step-heading{margin-top:13px;padding:7px 10px;width:134px;border-radius:4px}.step-heading .eyebrow{font-size:9px}.step-heading>span:last-child{font-size:11px}.step-heading em{font-size:8px}.steps{width:245px;max-height:315px;box-shadow:0 8px 30px #33231518}.stage-top{top:193px;right:18px;gap:13px}.view-modes{padding:2px}.view-modes button{font-size:9px;min-width:40px;padding:6px}.tool-button span{display:none}.tool-button svg{width:16px;height:16px}.view-tools{gap:13px}.part-label{font-size:9px;padding:7px 10px;max-width:230px;overflow:hidden;text-overflow:ellipsis}.manual-tile{bottom:270px;right:14px;width:106px;padding:8px}.tile-head{font-size:7px;margin-bottom:5px}.tile-head button{font-size:12px}.drawing-open{height:77px}.manual-tile>span{font-size:6px;margin-top:4px}.instruction{bottom:112px;left:16px;right:16px;width:auto;padding:14px 14px 12px;grid-template-columns:26px 1fr;gap:8px 12px}.instruction-number{font-size:25px;margin-top:12px}.instruction-kicker{font-size:6px;margin-bottom:5px;letter-spacing:.12em}.instruction-copy h2{font-size:16px;margin-bottom:5px;line-height:1.6}.instruction-copy>p:not(.instruction-kicker){font-size:9px;line-height:1.8}.instruction-copy p.tip{font-size:8px;margin-top:4px}.primary{font-size:9px;padding:7px 11px;min-width:125px;margin-top:0;justify-self:end}.primary span{font-size:13px}.timeline-panel{bottom:15px;left:16px;right:16px;transform:none;width:auto;height:78px;padding:14px 16px;gap:13px;border-radius:6px}.playback{gap:8px}.play-button{width:29px;height:29px}.round-button{font-size:23px}.timeline-labels{font-size:7px}.timeline-labels>span:first-child,.timeline-labels>span:last-child{display:none}.timeline-labels{justify-content:center}.speed{font-size:9px;min-width:20px}.stage-bottom{left:auto;right:16px;bottom:245px;transform:none;gap:0}.gesture{display:none}.auto-camera{font-size:7px}.dialog-head{padding:20px}.dialog-head h2{font-size:16px}.dialog-foot{padding:13px 15px;gap:12px;font-size:8px}.manual-page-scroll{height:63svh;padding:10px}}
@media(max-width:700px) and (max-height:740px){.sidebar{top:65px}.intro .eyebrow{display:none}.intro h1{font-size:21px}.product-options{margin-top:10px;gap:8px}.step-heading{margin-top:10px}.stage-top{top:165px}.instruction{bottom:100px;padding:11px 12px;gap:7px 10px}.instruction-copy h2{font-size:14px}.instruction-copy>p:not(.instruction-kicker){font-size:8px}.instruction-copy p.tip{font-size:7px}.instruction-number{font-size:23px}.primary{font-size:8px;padding:6px 10px;min-width:114px}.timeline-panel{bottom:12px;height:72px}.manual-tile{bottom:236px;width:91px}.drawing-open{height:63px}.stage-bottom{bottom:216px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
.details-toggle{display:none}
@media(max-width:700px){.instruction-copy>p:not(.instruction-kicker){display:none}.instruction.details-open .instruction-copy>p:not(.instruction-kicker){display:block}.details-toggle{display:inline-block;font-size:8px;color:#887255;padding:4px 0 0}.instruction{gap:8px 12px}.instruction-copy h2{margin-bottom:0}.instruction.details-open .instruction-copy h2{margin-bottom:5px}}

#openAR{min-height:44px;padding:8px 14px;font-size:14px;white-space:nowrap;border:1px solid #727866;border-radius:5px;background:#fff;color:#30352a;pointer-events:auto}
#openAR:disabled{opacity:.5}
.ar-dialog{box-sizing:border-box;width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:24px;border:1px solid #d8dbd3;border-radius:12px;background:#fff;color:#30352a;overflow:auto}
.ar-dialog::backdrop{background:#10180c88}
.ar-dialog header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ar-dialog h2{margin:0;font-size:20px;line-height:1.4}
.ar-dialog p{font-size:16px;line-height:1.65;margin:16px 0}
.ar-dialog button,.ar-dialog a{box-sizing:border-box;min-height:44px;font:inherit;font-size:16px;line-height:1.5;border-radius:6px;padding:10px 14px;cursor:pointer}
.ar-dialog header button{border:0;background:#f1f2ee;font-size:22px;padding:4px 14px}
.ar-dialog .ar-primary{display:block;width:100%;text-align:center;text-decoration:none;background:#414d38;color:#fff;border:0;margin:16px 0}
.ar-dialog .ar-primary img{position:absolute;opacity:0;pointer-events:none}
.ar-dialog [data-download]{display:block;padding-left:0;color:#384b2b}
.ar-dialog .ar-size{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.ar-dialog .ar-note{font-size:14px;color:#62685c}
.ar-dialog [hidden],.ar-overlay [hidden],.ar-overlay[hidden]{display:none!important}
.ar-dialog :focus-visible,.ar-overlay :focus-visible{outline:3px solid #6b8ab6;outline-offset:3px}
.ar-canvas{position:fixed;inset:0;z-index:10000;pointer-events:none}
.ar-overlay{position:fixed;inset:0;z-index:10001;pointer-events:none;font:16px/1.5 system-ui,sans-serif;color:#fff}
.ar-xr-top,.ar-xr-bottom{position:absolute;left:16px;right:16px;display:flex;align-items:center;gap:12px}
.ar-xr-top{top:max(16px,env(safe-area-inset-top));align-items:flex-start}
.ar-xr-top p{margin:0;padding:10px 14px;background:#172012d9;border-radius:8px;flex:1}
.ar-xr-bottom{bottom:max(24px,env(safe-area-inset-bottom));flex-direction:column}
.ar-overlay button{pointer-events:auto;min-height:48px;padding:10px 16px;font:inherit;border:1px solid #ddd;border-radius:8px;background:#fff;color:#283121;cursor:pointer}
.ar-overlay button:disabled{opacity:.5}
.ar-overlay .ar-rotate{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.ar-overlay small{font-size:14px;padding:5px 12px;border-radius:6px;background:#172012d9}
.ar-touchpad{position:absolute;inset:0;touch-action:none;pointer-events:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.ar-entry{border:1px solid #c5b7a3;background:#fffcf5d9;backdrop-filter:blur(10px);border-radius:4px;min-height:36px;padding:7px 12px;color:var(--red);font-size:11px;white-space:nowrap}
.ar-message:empty{display:none}.ar-message{position:fixed;z-index:10;bottom:118px;left:50%;transform:translateX(-50%);background:#fffdf8;padding:12px 18px;border:1px solid var(--line);border-radius:5px}
.ar-dialog{background:#fffdf8;border-color:#d8cdbd;color:var(--ink)}.ar-dialog h2{font-size:22px;margin-top:9px}.ar-dialog p.ar-product{font-size:13px;color:#7c6a52;margin-bottom:2px}.ar-dialog p.ar-size{font-size:15px;margin-top:3px}.ar-dialog .ar-primary{background:var(--red)}.ar-dialog .ar-secondary{display:block;width:100%;text-align:center;border:1px solid #d3c6b5;background:#f7f2e9;margin-top:12px;font-size:13px}.ar-dialog p.ar-status{font-size:14px;padding:14px;background:#f3ede2;border-radius:5px}.ar-dialog p.ar-note{font-size:12px;color:#857259}.ar-dialog [data-download]{font-size:13px;color:var(--red)}
.manual-dialog{width:min(1150px,96vw);max-height:96svh;overflow:hidden}.manual-dialog .dialog-head{padding:17px 24px}.manual-dialog .dialog-head h2{font-size:18px;margin-top:5px}.manual-navigation{gap:10px;align-items:center;padding:9px 20px;background:#f7f4ed}.manual-navigation button{min-height:36px;font-size:12px;white-space:nowrap}.manual-navigation select{font:inherit;font-size:11px;background:#fffdf8;border:1px solid #d8cbb8;border-radius:4px;padding:8px;color:var(--ink)}.manual-navigation>span{margin-left:auto;font-size:11px;white-space:nowrap}.book-stage{position:relative;height:min(66svh,700px);min-height:200px;background:#e7e1d6}#manual-book{position:absolute;inset:0}.book-tools{position:absolute;bottom:14px;right:16px;display:flex;border:1px solid #d1c5b3;background:#fffdf7e8;backdrop-filter:blur(8px);border-radius:5px;overflow:hidden}.book-tools button{min-width:44px;min-height:40px;font-size:14px;padding:8px}.book-tools button+button{border-left:1px solid #ded3c3}.book-tools #manual-fit{font-size:10px}.book-status{margin:0;padding:9px 15px;text-align:center;font-size:10px;color:#89775d;background:#f7f4ed;min-height:30px}.manual-dialog .dialog-foot{gap:15px;padding:12px 24px}.manual-dialog .dialog-foot>span{margin-right:auto}
@media(max-width:700px){.header-right{gap:10px}.header-right .text-button{font-size:7px}.ar-entry{font-size:9px;min-height:32px;padding:6px 8px}.manual-dialog{width:calc(100vw - 16px);max-width:none;max-height:96svh}.manual-dialog .dialog-head{padding:14px 16px}.manual-dialog .dialog-head h2{font-size:16px}.manual-navigation{padding:6px 10px;gap:8px;flex-wrap:wrap}.manual-navigation button{font-size:10px}.manual-navigation>span{font-size:9px}.manual-navigation select{font-size:10px;max-width:124px}.book-stage{height:62svh}.book-status{font-size:9px}.manual-dialog .dialog-foot{padding:11px 13px;font-size:8px;gap:12px}.ar-dialog{padding:20px}.book-tools{bottom:12px;right:12px}}
.product-options{display:block;padding-top:12px}.config-summary-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;border:1px solid #d1c4b0;background:#fffdf7da;border-radius:5px;padding:12px;backdrop-filter:blur(12px)}.config-summary-button strong{display:block;font-size:11px;font-weight:500;line-height:1.6}.config-summary-button small{display:block;font-size:8px;color:#89775e;margin-top:4px}.config-change{font-size:8px;color:var(--red);white-space:nowrap}.dimensions{margin:7px 0 0;font-size:9px}.step-heading{margin-top:15px}.config-dialog{width:min(590px,94vw)}.config-body{padding:20px 24px;overflow:auto;max-height:72svh}.config-label{font-size:10px;color:#867354;margin:0 0 10px}.config-presets{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}.config-presets button{padding:9px 12px;border:1px solid #d7c9b6;border-radius:4px;background:#f5f0e6;font-size:11px;min-height:38px}.config-table-head,.config-column{display:grid;grid-template-columns:1fr 1.6fr 1fr;gap:10px;align-items:center}.config-table-head{font-size:9px;color:#9b876a;padding:0 0 8px;border-bottom:1px solid #ded2bf}.config-column{padding:12px 0;border-bottom:1px solid #e3d9c8;font-size:12px}.config-column>span small{display:block;color:#9d8b71;font-size:8px;margin-top:4px}.config-column select{width:100%;border:1px solid #d5c8b3;background:#fffdf9;padding:10px 6px;border-radius:4px;font:inherit;font-size:11px;color:var(--ink)}.config-column-actions{display:flex;gap:17px;margin-top:12px}.config-column-actions button{font-size:10px;color:var(--red);padding:7px 0}.config-hint{font-size:9px;line-height:1.8;color:#9b886c;margin:10px 0 20px}.config-finishes{display:flex;gap:13px}.config-finishes button{display:flex;align-items:center;gap:9px;padding:11px 12px;font-size:11px;border:1px solid #d9cebe;border-radius:4px}.config-finishes button[aria-pressed=true]{border-color:var(--red);background:#f4eae1}.config-size{font-size:12px;margin:22px 0 15px;color:#775c40}.apply-config{display:block;width:100%;background:var(--red);color:white;padding:13px;border-radius:4px;font-size:12px}.manual-navigation select#manual-document{max-width:170px}.steps{max-height:calc(100svh - 370px)}
@media(max-width:700px){.product-options{display:block;padding-top:0;margin-top:11px}.config-summary-button{padding:9px 11px;min-height:49px}.config-summary-button strong{font-size:10px}.config-summary-button small{font-size:7px;margin-top:1px}.config-change{font-size:8px}.dimensions{font-size:8px;margin-top:6px}.step-heading{margin-top:11px}.steps{max-height:min(48svh,340px)}.config-body{padding:17px;max-height:74svh}.config-column{gap:8px}.config-presets{gap:6px}.config-presets button{font-size:10px;padding:9px 11px;min-height:40px}.config-column select{min-height:42px}.config-finishes{gap:8px}.config-finishes button{font-size:10px;padding:10px}.config-size{font-size:10px}.manual-navigation{gap:5px}.manual-navigation select#manual-document{max-width:136px;font-size:9px}.manual-navigation #manual-jump{max-width:97px;font-size:9px}.manual-navigation>span{margin-left:0;font-size:8px}.manual-navigation button{font-size:9px}.manual-dialog .book-stage{height:58svh}}
@media(max-width:700px){.manual-navigation{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px 8px;padding:8px 10px}.manual-navigation>label:first-child{grid-column:1/3}.manual-navigation>label:nth-of-type(2){grid-column:3/5}.manual-navigation #manual-prev{grid-row:2;grid-column:1;text-align:left}.manual-navigation #manual-next{grid-row:2;grid-column:4;text-align:right}.manual-navigation>span{grid-row:2;grid-column:2/4;text-align:center;margin:0}.manual-navigation select#manual-document,.manual-navigation select#manual-jump{max-width:none;width:100%;font-size:10px}.manual-navigation button{min-height:30px}.book-stage{height:56svh}}
/* Parts inspection shares the main 3D canvas and the original PDF book. */
[hidden]{display:none!important}.parts-entry{font-size:11px;white-space:nowrap;border:1px solid #c9bca6;background:#fffdf5e8;padding:9px 13px;border-radius:5px;color:var(--red);min-height:38px}.replay-step{grid-column:2;text-align:left;font-size:10px;color:#856747;padding:3px 0;min-height:28px}.sequence-status{grid-column:2;margin:0!important;font-size:11px!important;line-height:1.7;color:var(--red);font-variant-numeric:tabular-nums}.round-button{font-size:11px;white-space:nowrap;min-height:42px;padding:7px 5px;color:#765943}.play-button{min-width:34px;min-height:34px}.timeline-panel{gap:17px}.playback{gap:9px}.inventory-heading{position:absolute;top:100px;left:30px;pointer-events:none}.inventory-heading h2{font-size:25px;font-weight:500;letter-spacing:.04em;margin:9px 0 7px}.inventory-heading>p:last-child{font-size:12px;color:#887457;margin:0}.inventory-panel{position:absolute;top:180px;right:28px;bottom:110px;width:285px;overflow:auto;background:#fffdf6e8;backdrop-filter:blur(14px);border:1px solid #dbcfbd;border-radius:7px;padding:15px}.inventory-panel-head label{display:block;font-size:10px;color:#8d785a;margin-bottom:8px}.inventory-panel-head select{width:100%;font:inherit;font-size:12px;min-height:42px;background:#fffdf8;border:1px solid #cdbfa9;border-radius:4px;padding:9px;color:var(--ink)}.inventory-list-head{display:flex;justify-content:space-between;align-items:center;margin:12px 0 8px;font-size:10px;color:#968063}.inventory-list-head button{color:var(--red);padding:7px 0}.inventory-row{display:flex;align-items:center;gap:8px;border-bottom:1px solid #e4d9c8;min-height:44px}.inventory-row input{accent-color:var(--red);width:16px;height:16px;cursor:pointer;flex-shrink:0}.inventory-part{display:flex;align-items:center;justify-content:space-between;gap:5px;flex:1;min-width:0;text-align:left;padding:12px 0;font-size:11px;min-height:44px}.inventory-part strong{font-size:15px;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap}.inventory-part small{font-size:9px;font-weight:400;margin-left:4px}.inventory-part[aria-pressed=true]{color:var(--red)}.inventory-part-pdf{padding:9px 3px;min-width:27px;min-height:44px;color:#997857;font-size:15px}#inventory-note{font-size:10px;line-height:1.9;color:#9a8363;margin:13px 0 6px}#inventory-pdf{font-size:11px;color:var(--red);min-height:40px;text-align:left}.inventory-bottom{position:absolute;left:30px;right:28px;bottom:25px;display:flex;justify-content:space-between;gap:10px;align-items:center}.inventory-bottom>span{font-size:10px;color:#978063}.inventory-bottom>div{display:flex;gap:14px}.inventory-bottom button{min-height:44px;font-size:12px;padding:12px 19px;border:1px solid #cdbfa8;border-radius:4px;background:#fffdf6}#inventory-start{background:var(--red);color:white;border-color:var(--red)}.inventory-label{position:absolute;transform:translate(-50%,-50%);background:#fffdf5e8;backdrop-filter:blur(9px);border:1px solid #cdbfa7;border-radius:4px;min-height:32px;padding:7px 10px;font-size:10px;color:#6d583c;white-space:nowrap}.inventory-label b{margin-left:9px;font-weight:500}.inventory-label>span{margin-left:13px;color:var(--red)}body.inspecting .sidebar,body.inspecting .instruction,body.inspecting .timeline-panel,body.inspecting .manual-tile,body.inspecting .stage-bottom,body.inspecting .part-label,body.inspecting .scene-title,body.inspecting .orientation,body.inspecting .view-tools{display:none}body.inspecting .stage-top{top:100px!important;right:28px}body.inspecting #inventory-ui{position:absolute;inset:0;pointer-events:none}body.inspecting #inventory-ui button,body.inspecting #inventory-ui input,body.inspecting #inventory-ui select,body.inspecting .inventory-panel{pointer-events:auto}body[data-view=drawing] .inventory-label{background:#fff;border-color:#444;color:#171717}
@media(max-height:760px) and (min-width:701px){.inventory-heading{top:90px}.inventory-heading h2{font-size:23px}.inventory-panel{top:157px;bottom:92px}.inventory-row{min-height:38px}.inventory-part{padding:8px 0;min-height:38px}.inventory-part-pdf{min-height:38px}.inventory-panel-head label{margin-bottom:4px}.inventory-panel-head select{min-height:38px}.inventory-list-head{margin:5px 0}.inventory-bottom{bottom:22px}.inventory-heading .eyebrow{font-size:9px}body.inspecting .stage-top{top:90px!important}}
@media(max-width:700px){.parts-entry{font-size:9px;padding:7px 8px;min-height:31px}.stage-top{gap:9px}.view-tools{gap:10px}.timeline-panel{gap:10px;padding:11px 12px}.playback{gap:5px}.round-button{font-size:10px;min-height:44px;padding:6px 4px}.play-button{width:30px;min-width:30px;min-height:30px}.timeline-labels #time-indicator{font-size:7px;letter-spacing:0}.replay-step{font-size:9px;min-height:25px;padding:2px 0}.sequence-status{font-size:10px!important}.instruction{gap:4px 12px}.instruction .primary{margin-top:1px}.inventory-heading{top:85px;left:18px;right:18px}.inventory-heading .eyebrow{font-size:7px}.inventory-heading h2{font-size:20px;margin:9px 0 6px}.inventory-heading>p:last-child{font-size:10px}.inventory-panel{top:auto;bottom:83px;left:16px;right:16px;width:auto;height:35svh;padding:12px 14px}.inventory-panel-head{display:flex;align-items:center;gap:10px}.inventory-panel-head label{font-size:9px;margin:0;white-space:nowrap}.inventory-panel-head select{min-height:38px;font-size:11px;padding:7px}.inventory-list-head{margin:5px 0}.inventory-row{min-height:42px}.inventory-part{font-size:11px;min-height:42px;padding:9px 0}.inventory-part-pdf{min-height:42px}.inventory-bottom{left:16px;right:16px;bottom:16px;display:block}.inventory-bottom>span{position:absolute;bottom:calc(35svh + 79px);left:0;right:0;text-align:center;font-size:8px;white-space:nowrap}.inventory-bottom>div{gap:10px}.inventory-bottom button{font-size:11px;padding:12px;flex:1;white-space:nowrap;min-height:44px}.inventory-label{font-size:9px;max-width:270px;min-height:31px;padding:6px 9px}body.inspecting .stage-top{top:79px!important;right:16px}body.inspecting .stage-top .view-modes button{min-width:32px;font-size:8px}.inventory-heading{pointer-events:none}.inventory-heading h2{max-width:260px}.inventory-heading .eyebrow{max-width:240px}}
@media(max-width:370px){.round-button{font-size:9px}.playback{gap:2px}.timeline-panel{gap:7px;padding:10px}.inventory-heading h2{font-size:18px}.inventory-panel{height:33svh}.inventory-bottom>span{bottom:calc(33svh + 79px)}}
/* The assembly studio and the existing simulator's interior are separate views. */
.scene-context{position:absolute;right:28px;top:142px;display:flex;align-items:center;gap:14px;z-index:3}.space-switch{display:flex;border:1px solid #c2bdaa;background:#fffdf6dc;backdrop-filter:blur(12px);border-radius:5px;padding:3px}.space-switch button{font-size:11px;min-height:32px;padding:7px 14px;border-radius:3px;white-space:nowrap}.space-switch button[aria-pressed=true]{background:#526e6b;color:#fff}.backdrop-tones{display:flex;align-items:center;gap:8px;background:#fffdf5bb;backdrop-filter:blur(12px);border:1px solid #c9c5b6;border-radius:5px;padding:6px 10px}.backdrop-tones>span{font-size:9px;color:#7e7867;margin-right:3px}.backdrop-tones button{display:flex;align-items:center;gap:5px;min-height:25px;font-size:9px;color:#807460;padding:2px}.backdrop-tones i{display:block;border:1px solid #a7a79a;border-radius:50%;width:17px;height:17px;background:#e3dccd}.backdrop-tones [data-tone=mist] i{background:#abc5c4}.backdrop-tones [data-tone=clay] i{background:#cba998}.backdrop-tones [aria-pressed=true] i{outline:1px solid #4f6e69;outline-offset:2px}.backdrop-tones [aria-pressed=true]{color:#375955}.room-toolbar{display:none;position:absolute;bottom:25px;left:50%;transform:translateX(-50%);width:min(870px,calc(100% - 56px));padding:18px 23px;background:#fffdf6e8;backdrop-filter:blur(16px);border:1px solid #d4cbbb;border-radius:7px;align-items:center;justify-content:space-between;gap:20px}.room-toolbar .eyebrow{font-size:8px;color:#8c7d66;margin:0 0 6px}.room-toolbar label{font-size:16px;margin-right:18px;white-space:nowrap}.room-toolbar select{font:inherit;font-size:11px;border:0;border-bottom:1px solid #d5c6b2;color:#8a7357;padding:7px 19px 7px 3px;background:transparent;min-height:34px}.room-actions{display:flex;gap:10px;align-items:center}.room-actions button{font-size:11px;padding:11px 14px;border:1px solid #d4c7b3;border-radius:4px;min-height:42px;white-space:nowrap}#room-ar{background:var(--red);color:#fff;border-color:var(--red)}#room-status{position:absolute;top:200px;left:50%;transform:translateX(-50%);font-size:12px;background:#fffdf5ed;border:1px solid #d5c9b6;border-radius:5px;padding:12px 18px;z-index:7;max-width:75%;text-align:center;line-height:1.8}body[data-space=interior] .room-toolbar{display:flex}body[data-space=interior] .instruction,body[data-space=interior] .timeline-panel,body[data-space=interior] .manual-tile,body[data-space=interior] .part-label,body[data-space=interior] .stage-bottom,body[data-space=interior] .step-heading,body[data-space=interior] .steps,body[data-space=interior] #explode,body[data-space=interior] .backdrop-tones{display:none}body[data-space=interior] .sidebar{top:100px}body[data-space=interior] .intro .eyebrow{display:none}body[data-space=interior] .intro h1{font-size:25px;line-height:1.55;margin:0 0 12px}body[data-space=interior] .intro h1 br{display:none}body[data-space=interior] .product-options{padding-top:0}body[data-space=interior] .scene-context{top:142px}body[data-view=drawing] .backdrop-tones{visibility:hidden}body.inspecting .scene-context,body.inspecting .room-toolbar{display:none}
@media(max-height:760px) and (min-width:701px){.scene-context{top:126px}body[data-space=interior] .scene-context{top:126px}body[data-space=interior] .sidebar{top:90px}.room-toolbar{bottom:22px}.room-toolbar label{font-size:14px}.room-toolbar{padding:15px 20px}}
@media(max-width:1000px) and (min-width:701px){.scene-context{gap:9px}.backdrop-tones{gap:7px;padding:6px 8px}.backdrop-tones button>span{display:none}.room-toolbar{gap:15px}.room-toolbar label{font-size:13px;margin-right:9px}.room-actions{gap:7px}.room-actions button{font-size:10px;padding:10px}.room-toolbar{padding:15px}}
@media(max-width:700px){.scene-context{left:18px;right:18px;justify-content:space-between;gap:8px;top:260px}.space-switch button{font-size:10px;padding:7px 14px;min-height:31px}.backdrop-tones{gap:9px;padding:6px 9px}.backdrop-tones>span{font-size:8px;margin:0}.backdrop-tones button>span{display:none}.backdrop-tones i{width:17px;height:17px}.backdrop-tones button{min-height:23px}.room-toolbar{left:16px;right:16px;bottom:16px;transform:none;width:auto;padding:15px;display:none;flex-direction:column;gap:13px;align-items:stretch}.room-toolbar>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.room-toolbar .eyebrow{width:100%;margin:0;font-size:7px}.room-toolbar label{font-size:14px;margin:0}.room-toolbar select{font-size:10px;padding:5px 0;min-height:30px}.room-actions{justify-content:space-between;gap:7px}.room-actions button{font-size:10px;min-height:42px;padding:10px 11px;flex:1}.room-actions #room-ar{flex:1.2}body[data-space=interior] .sidebar{top:79px}body[data-space=interior] .intro h1{font-size:20px;margin:0 0 10px}body[data-space=interior] .product-options{margin-top:0}body[data-space=interior] .scene-context{top:216px}body[data-space=interior] .stage-top{right:18px}#room-status{top:300px;width:calc(100% - 65px);max-width:none;font-size:11px}body.inspecting .stage-top{top:79px!important}.instruction{bottom:112px}.inventory-heading h2{max-width:265px}}
@media(max-width:370px){.space-switch button{padding:7px 11px}.backdrop-tones{gap:7px;padding:6px 8px}.room-toolbar label{font-size:12px}.room-actions button{padding:9px 7px;font-size:9px}.stage-top .view-tools{gap:8px}.parts-entry{padding:7px 6px}}
body[data-space=interior] .intro h1{font-size:20px;white-space:nowrap;letter-spacing:.025em}

/* A manual is the entrance: white paper, fine rules, and ink. */
:root{--ink:#252523;--muted:#787873;--red:#333330;--line:#d6d6d0;--paper:#fff}
body,.stage,.loading,.error{background:#fff}.loading{color:#777}.loading span{border-color:#ddd;border-top-color:#333}.identity small,.unofficial{color:#77776f}.brand-mark{border-color:#333}.brand-mark i{background:#333}
#book-intro{position:absolute;inset:0;z-index:3;pointer-events:none;opacity:1;transition:opacity .24s ease}
#book-intro button{pointer-events:auto}.portal-copy{position:absolute;left:6.3%;top:26%;width:350px}.portal-copy .eyebrow{font-size:8px;letter-spacing:.16em;color:#696963}.portal-copy h1{font-family:'Hiragino Mincho ProN','Yu Mincho',serif;font-size:52px;font-weight:500;line-height:1.6;letter-spacing:.12em;margin:24px 0 15px}.portal-lead{font-size:12px;letter-spacing:.06em;color:#6b6b65;margin:0 0 30px}#portal-open{display:flex;align-items:center;justify-content:space-between;gap:48px;padding:15px 20px;min-height:51px;min-width:235px;border:1px solid #252523;background:#252523;color:white;font-size:12px;letter-spacing:.07em}#portal-open span{font-size:20px;font-weight:300}#portal-status{font-size:11px;line-height:1.8;min-height:20px;color:#73736d;margin-top:12px}.portal-foot{position:absolute;left:6.3%;right:5%;bottom:30px;display:flex;align-items:center;gap:28px;border-top:1px solid #d5d5ce;padding-top:18px}.portal-foot button{min-height:38px;font-size:10px;padding:0;text-align:left}#portal-config{display:flex;gap:24px;align-items:center}#portal-config>span:last-child{font-size:9px;color:#75756f}.portal-foot>span{margin-left:auto;font-size:8px;color:#85857e;letter-spacing:.03em}
body.book-portal :is(.sidebar,.stage-top,.scene-context,.instruction,.timeline-panel,.manual-tile,.stage-bottom,.part-label,#inventory-ui,.room-toolbar,.chapter-page){visibility:hidden;opacity:0;pointer-events:none!important}body.book-portal #inventory-ui :is(button,input,select,.inventory-panel){pointer-events:none!important}body.book-portal #open-ar{visibility:hidden;pointer-events:none}body.book-entering #book-intro{opacity:0}body.book-entering #book-intro button,body.book-entering .identity{pointer-events:none}
.chapter-page{position:absolute;top:91px;left:50%;transform:translateX(-50%);font-size:9px;letter-spacing:.1em;color:#88887f;pointer-events:none}body[data-space=interior] .chapter-page{display:none}
:is(.segmented,.step-heading,.steps,.view-modes,.part-label,.manual-tile,.instruction,.timeline-panel,.config-summary-button,.ar-entry,.inventory-panel,.inventory-label,.space-switch,.room-toolbar,.book-tools){background:#fff!important;border-color:#d3d3cd!important;border-radius:2px;backdrop-filter:none;box-shadow:none}
:is(.segmented,.view-modes) button[aria-pressed=true]{background:#f0f0eb;box-shadow:none;color:#242422}.view-modes button,.tool-button,.dimensions,.config-summary-button small,.config-change,.step-heading .eyebrow,.step-heading em,.tile-head,.manual-tile>span,.stage-bottom,.auto-camera,.instruction-kicker,.instruction-copy>p:not(.instruction-kicker),.instruction-copy p.tip,.timeline-labels,.timeline-labels #time-indicator,.tick-labels,.speed,.replay-step,.round-button,.inventory-heading>p:last-child,.inventory-panel-head label,.inventory-list-head,#inventory-note,.inventory-bottom>span,.room-toolbar .eyebrow,.room-toolbar select,.details-toggle{color:#73736d}.instruction-number{color:#aaa99f}.primary,.apply-config,#inventory-start,#room-ar,.ar-dialog .ar-primary{background:#292927;border-color:#292927;border-radius:2px}.steps .step[aria-current=step]{background:#f1f1ec}.step{color:#77776f}.step .n{color:#88887f;border-color:#c9c9c1}.step[aria-current=step] .n{background:#292927;border-color:#292927}.part-label{color:#333;border-color:#777!important}.part-label:before{background:#333}.play-button{color:#333;border-color:#bdbdb5}.timeline input{background:#d7d7d0}.timeline input::-webkit-slider-thumb{background:#555;border-color:#fff;box-shadow:0 0 0 1px #999}.inventory-label{color:#333;border-color:#777!important}.inventory-label>span,.inventory-part-pdf{color:#555}.inventory-row{border-color:#e2e2dc}.inventory-panel-head select{background:white;border-color:#cecec6;border-radius:2px}.inventory-bottom button{border-color:#bdbdb5;background:white;border-radius:2px}.space-switch button{border-radius:1px}.space-switch button[aria-pressed=true]{background:#333;color:#fff}.room-actions button{border-color:#bdbdb5;border-radius:2px}.room-toolbar select{border-color:#bdbdb5}.status-dot,.auto-camera[aria-pressed=true] .status-dot{background:#777;box-shadow:none}
dialog{background:#fff;border-color:#c6c6be;border-radius:2px;box-shadow:0 15px 60px #0002}dialog::backdrop{background:#29292744;backdrop-filter:none}.dialog-head{border-color:#deded7}.close,.about-copy,.about-copy h3,.dialog-foot,.config-label,.config-hint,.config-size,.config-table-head,.config-column>span small{color:#73736d}.config-presets button,.config-column select,.config-finishes button{background:white;border-color:#ccc;border-radius:2px}.config-finishes button[aria-pressed=true],.config-presets button:active{background:#f2f2ed}.config-column,.config-table-head{border-color:#deded7}.ar-dialog{background:white;border-radius:2px}.ar-dialog .ar-secondary,.ar-dialog p.ar-status{background:#f4f4ef;border-radius:2px}.ar-dialog p.ar-product,.ar-dialog p.ar-note{color:#73736d}
.manual-navigation,.book-status{background:#fff;color:#777;border-bottom:1px solid #e1e1db}.manual-navigation select{border-color:#d5d5ce;background:white;border-radius:2px}.manual-dialog .book-stage{background:white;height:calc(94svh - 290px);min-height:170px}.manual-dialog .dialog-foot{border-top:1px solid #e1e1db}.book-tools button+button{border-color:#deded7}.book-world-action{display:flex;align-items:center;gap:14px;padding:10px 24px;border-top:1px solid #deded7;background:white;min-height:60px}.book-world-action>span{font-size:10px;color:#74746c;margin-right:auto}.book-world-action select{font:inherit;font-size:11px;background:white;border:1px solid #ccc;padding:10px;max-width:250px;color:#333}.book-world-action button{padding:12px 16px;min-height:42px;background:#292927;color:white;font-size:11px;white-space:nowrap}
@media(min-width:1550px){.portal-copy h1{font-size:64px}.portal-copy{top:25%}.portal-lead{font-size:13px}.chapter-page{top:111px}}
@media(max-height:760px) and (min-width:701px){.portal-copy{top:21%}.portal-copy h1{font-size:45px;margin-top:19px}.portal-lead{margin-bottom:24px}.portal-foot{bottom:23px;padding-top:12px}.chapter-page{top:80px}}
@media(max-width:1000px) and (min-width:701px){.portal-copy{left:4%;width:290px}.portal-copy h1{font-size:42px}.portal-lead{font-size:10px}.portal-foot{left:4%;right:4%;gap:20px}.portal-foot>span{max-width:170px;line-height:1.7}.chapter-page{left:49%;font-size:8px}}
@media(max-width:700px){.portal-copy{left:24px;right:24px;top:100px;width:auto}.portal-copy .eyebrow{font-size:7px;letter-spacing:.12em}.portal-copy h1{font-size:30px;letter-spacing:.06em;line-height:1.5;margin:13px 0 9px}.portal-copy h1 br{display:none}.portal-lead{font-size:10px;margin:0}#portal-open{position:fixed;left:24px;right:24px;bottom:157px;width:calc(100% - 48px);min-height:50px;font-size:12px;padding:13px 18px}#portal-status{position:fixed;bottom:125px;left:24px;right:24px;text-align:center;font-size:9px;margin:0}.portal-foot{left:24px;right:24px;bottom:22px;display:grid;grid-template-columns:1fr auto;gap:8px 16px;padding-top:10px}#portal-config{display:flex;flex-direction:column;gap:5px;align-items:flex-start}.portal-foot button{font-size:10px;min-height:42px}#portal-config>span:last-child{font-size:8px}.portal-foot>span{grid-column:1/3;margin:0;font-size:7px}.chapter-page{display:none}.book-world-action{padding:9px 12px;gap:8px;flex-wrap:wrap}.book-world-action>span{font-size:9px}.book-world-action button{font-size:10px;padding:12px;min-height:42px}.book-world-action select{font-size:10px;padding:10px;max-width:150px}.manual-dialog .book-stage{height:calc(94svh - 320px);min-height:140px}}
@media(max-width:700px) and (max-height:740px){.portal-copy{top:81px}.portal-copy h1{font-size:26px;margin-top:10px}.portal-lead{font-size:9px}#portal-open{bottom:147px}.portal-foot{bottom:16px}#portal-status{bottom:116px}}

.parts-entry{background:#fff;border-color:#d3d3cd;border-radius:2px;color:#333}.config-summary-button strong{color:#333}

/* The ground separates white paper and white parts without shading the drawings. */
:root{--canvas:#e5e0d5;--muted:#65635d}
body,body[data-view=drawing],.stage,body[data-view=drawing] .stage,.loading,.error,.manual-dialog .book-stage{background:var(--canvas)}
.portal-foot{border-color:#c8c2b7}.portal-lead{color:#5f5e58}.portal-foot>span,.chapter-page,.dimensions,.inventory-heading>p:last-child,.inventory-bottom>span,.stage-bottom,.auto-camera{color:#64635d}
/* One official panel beside the matching 3D step. The physical A4 book remains on the floor. */
.manual-tile{top:176px;bottom:133px;width:clamp(280px,27vw,410px);display:flex;flex-direction:column;padding:18px;gap:10px}.tile-head{margin:0;font-size:10px}.tile-head button{font-size:10px;min-height:28px}#compare-title{margin:0;font-weight:500;font-size:15px;line-height:1.6}.manual-tile .drawing-open{height:auto;flex:1;min-height:50px;border-radius:0}.manual-tile .drawing-open img{mix-blend-mode:multiply}#compare-caption{font-size:10px;line-height:1.5;margin:0;color:#64635d}.frame-navigation{display:flex;align-items:center;gap:9px;border-top:1px solid #deded7;padding-top:7px;font-size:9px}.frame-navigation button{border:1px solid #d3d3cd;width:32px;min-height:30px;font-size:15px}.frame-navigation #manual-page{margin-left:auto;color:#777}.book-reference{position:absolute;z-index:2;transform:translate(-50%,0);font-size:9px;background:#fff;border:1px solid #b4b1a7;padding:7px 10px;white-space:nowrap}.film-dialog{width:min(1150px,94vw)}.film-dialog video{width:100%;height:auto;max-height:70svh;display:block;background:#e5e0d5}.film-dialog .dialog-foot{font-size:10px}.portal-foot{gap:20px}.header-right{gap:18px}body.book-portal #open-film{visibility:hidden;pointer-events:none}body[data-space=interior] .book-reference{display:none}
@media(max-width:1000px) and (min-width:701px){.manual-tile{width:260px;right:20px;padding:13px}.sidebar{width:220px}.instruction{width:275px}.header-right{gap:12px}.unofficial{display:none}}
@media(max-width:700px){.manual-tile{top:auto;bottom:248px;right:16px;width:145px;height:185px;padding:9px;gap:3px}.manual-tile #compare-title{font-size:10px}.manual-tile .tile-head{font-size:8px}.manual-tile .tile-head button{font-size:8px;min-height:20px}.manual-tile .frame-navigation{font-size:8px;padding-top:4px;gap:5px}.manual-tile .frame-navigation button{width:25px;min-height:25px}.manual-tile #compare-caption{display:none}.manual-tile #manual-page{display:none}.book-reference{font-size:8px;padding:6px}.header-right #open-film{font-size:9px}.portal-foot{gap:4px 10px}.portal-foot>span{grid-column:1/3}.portal-foot #portal-pdf{grid-column:2;grid-row:1}.portal-foot #portal-film{grid-column:2;grid-row:2}.portal-foot #portal-config{grid-row:1/3}.film-dialog .dialog-foot{font-size:8px;gap:12px;line-height:1.7}}
.config-entry,.inventory-config{background:#fff;border:1px solid #bdbbb2;padding:10px 14px;min-height:36px;font-size:11px;white-space:nowrap}.inventory-config{margin-top:12px;pointer-events:auto;font-size:10px;padding:8px 12px}.config-preview{height:156px;margin:-5px 0 18px;background:#e5e0d5;overflow:hidden}.config-preview svg{width:100%;height:100%;display:block}.config-preview text{font:10px -apple-system,sans-serif;fill:#494942;stroke:none;text-anchor:middle}.config-presets button[aria-pressed=true]{background:#292927;color:white;border-color:#292927}.config-dialog .config-body{max-height:calc(90svh - 100px)}body.book-entering .config-entry{pointer-events:auto;opacity:1}
@media(max-width:700px){.header{left:16px;right:16px}.header-right{gap:7px}.header-right .config-entry{min-height:34px;padding:7px;font-size:9px}.header-right #sources{display:none}.identity{font-size:12px;gap:7px}.identity small{font-size:6px}.brand-mark{width:22px;height:27px}.header-right #open-film{font-size:8px;max-width:57px;text-wrap:balance}.inventory-config{margin-top:6px}.inventory-heading h2{margin-top:8px}.config-preview{height:125px}}
#config-dialog .config-body{max-height:calc(90svh - 210px);padding-bottom:14px}.config-commit{padding:12px 24px 18px;border-top:1px solid #d8d7cd;background:white}.config-commit .config-size{margin:0 0 10px;font-size:11px}.config-commit .apply-config{margin:0;min-height:44px;width:100%}.config-preview text{font-size:11px}
@media(max-width:700px){#config-dialog .config-body{max-height:calc(90svh - 210px)}.config-commit{padding:12px 18px}.header-right{gap:6px}.inventory-heading #inventory-summary{max-width:calc(100vw - 90px)}}

/* Slow guided review and a direct front-view configuration editor. */
.guide-control{font-size:11px;padding:9px 12px;min-height:36px;border:1px solid #bdbbb2;background:white;white-space:nowrap}
.inventory-row:has(.inventory-part[aria-pressed=true]){background:#ece9df;box-shadow:inset 2px 0 #353530;padding-left:7px}.inventory-row:has(input:checked) .inventory-part{color:#34342e}.inventory-row input{accent-color:#4e5948}
.inventory-bottom #inventory-tour{background:#30302d;color:white;border-color:#30302d}.inventory-panel #inventory-note{min-height:40px}
.config-edit-help{font-size:11px;color:#68675e;margin:-8px 0 18px}.config-bay{cursor:pointer;outline:none}.config-bay.selected rect{stroke-width:3}.config-bay:focus-visible rect{stroke-dasharray:4 2}.config-edit-heading{display:flex;align-items:center;gap:14px;font-size:12px;margin-bottom:9px}.config-edit-heading span{font-size:10px;color:#69685e}#config-columns .config-column{display:grid;grid-template-columns:1fr 1fr;gap:14px;border:0;padding:0}#config-columns label{display:flex;flex-direction:column;gap:7px;color:#73716a;font-size:10px}#config-columns select{width:100%;font-size:12px;min-height:40px}.config-column-actions{margin-top:17px}#config-adjustment{font-size:10px;line-height:1.6;color:#685b40}#config-manuals{display:grid;gap:5px;margin:0 0 20px}#config-manuals button{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid #d5d2c7;padding:10px;min-height:42px;font-size:10px}#config-manuals strong{font-weight:500;margin-right:auto}#config-manuals button>span:first-child{color:#747066;font-size:9px}.config-preview{height:176px;margin-bottom:14px}.config-column-actions button{min-height:39px}
@media(max-width:700px){.guide-control{font-size:9px;padding:7px;min-height:34px}.header-right #open-film{display:none}.inventory-bottom>div{flex-wrap:wrap}.inventory-bottom #inventory-tour{flex:1 0 100%;padding:8px;min-height:35px}.inventory-bottom button{min-height:39px}.inventory-panel{bottom:124px;height:32svh}.inventory-bottom>span{bottom:calc(32svh + 119px)}.config-preview{height:140px}.inventory-panel #inventory-note{font-size:9px;margin:8px 0;min-height:27px}#config-manuals button{gap:7px;font-size:9px}#config-manuals button>span:first-child{font-size:8px}}

@media(max-width:400px){.header-right .guide-control{font-size:8px;padding:6px;max-width:75px;white-space:normal;text-wrap:balance}.header-right .config-entry{font-size:8px;padding:6px}.identity{font-size:10px}.identity small{display:none}}

body.book-portal #book-reference{visibility:hidden;pointer-events:none}

/* v16 · a quiet work surface, a single paper companion, one continuous scene. */
:root{--canvas:#69736c;--paper:#fffefa;--ink:#272b28;--muted:#616861;--rail:284px;--outside:#f5f4ed;--outside-muted:#d4ddd6}
body,.stage,body[data-view=drawing] .stage,body[data-view=drawing],.loading,.manual-dialog .book-stage{background:var(--canvas)}
body[data-space=assembly] .identity,body[data-space=assembly] .header-right>.text-button,body[data-space=assembly] .intro,body[data-space=assembly] .portal-copy,body[data-space=assembly] .portal-foot,body[data-space=assembly] .inventory-heading,body[data-space=assembly] .tool-button{color:var(--outside)}
body[data-space=assembly] :is(.identity small,.portal-copy .eyebrow,.portal-lead,#portal-status,.portal-foot>span,#portal-config>span:last-child,.intro .eyebrow,.dimensions,.chapter-page,.inventory-heading>p,.inventory-bottom>span,.stage-bottom,.auto-camera){color:var(--outside-muted)}
body[data-space=assembly] .brand-mark{border-color:var(--outside)}body[data-space=assembly] .brand-mark i{background:var(--outside)}
.portal-foot{border-color:#a7b0a8}.loading{color:var(--outside-muted)}.loading span{border-color:#a4b1a5;border-top-color:#fff}
#portal-open{background:var(--paper);color:var(--ink);border-color:var(--paper);border-radius:3px}
.portal-copy h1{font-size:54px;line-height:1.5;letter-spacing:.10em}.portal-lead{max-width:280px;line-height:1.9}.portal-foot button{min-height:44px}
:is(.manual-tile,.instruction,.timeline-panel,.inventory-panel,.config-summary-button,.guide-control,.config-entry,.view-modes,.space-switch,.parts-entry){background:var(--paper)!important;border-color:#e2e5db!important;border-radius:4px}
.header{top:24px;left:28px;right:28px}.identity{font-size:13px;letter-spacing:.08em}.identity small{font-size:7px}.header-right{gap:12px}.header-right .text-button{font-size:10px}.guide-control{border:1px solid #e2e5db;color:#303b32;min-height:38px}.config-entry{min-height:38px}.ar-entry{min-height:38px}
body:not(.book-portal) :is(.sidebar,.stage-top,.scene-context,.instruction,.timeline-panel,.manual-tile,.inventory-panel,.inventory-heading,.inventory-bottom){transition:opacity .65s ease,transform .65s ease}
body.handoff .inventory-panel{opacity:0;pointer-events:none}body.handoff .inventory-bottom{opacity:0;pointer-events:none}body.handoff #inventory-labels{opacity:0}
@media(min-width:701px){
 .sidebar{left:28px;top:94px;width:calc(100% - var(--rail) - 84px);display:flex;align-items:center;gap:24px;min-height:64px}
 .intro{flex:1;min-width:145px}.intro .eyebrow{font-size:8px;letter-spacing:.13em}.intro h1{font-family:inherit;font-size:21px;letter-spacing:.02em;line-height:1.5;margin:6px 0 0;white-space:nowrap}.intro h1 br{display:none}
 .product-options{width:220px;padding:0;margin:0}.config-summary-button{padding:10px 12px;min-height:45px}.config-summary-button strong{font-size:12px}.config-summary-button small{font-size:9px}.config-change{font-size:9px}.dimensions{font-size:9px;margin:8px 0 0}
 .step-heading{width:138px;margin:0;padding:11px 12px;align-self:flex-start}.step-heading b{margin-left:4px}.steps{right:0;width:235px;top:51px;max-height:calc(100svh - 250px);z-index:5}
 .stage-top{top:94px!important;right:28px;width:var(--rail);gap:12px;justify-content:space-between}.stage-top .tool-button span{display:none}.view-tools{gap:12px}.parts-entry{font-size:10px;padding:9px}.view-modes button{font-size:10px;padding:7px;min-width:42px}
 .scene-context,body[data-space=interior] .scene-context{top:146px!important;right:28px;left:auto}.space-switch button{font-size:10px;min-height:30px;padding:6px 16px}
 .manual-tile{top:196px;bottom:120px;right:28px;width:var(--rail);padding:17px;gap:10px;border:0;box-shadow:0 6px 26px #24302818}
 .manual-tile .drawing-open{background:white;min-height:80px}.tile-head{font-size:10px;color:#616861}#compare-title{font-size:15px}#compare-caption{font-size:10px;line-height:1.65;color:#616861}.frame-navigation{gap:7px;font-size:9px}
 .instruction{left:28px;right:calc(var(--rail) + 56px);width:auto;bottom:120px;display:grid;grid-template-columns:32px 1fr 150px;gap:5px 15px;padding:18px 20px;align-items:center}
 .instruction-number{grid-row:1/4;font-size:30px;margin:0;align-self:start;padding-top:12px;color:#929b90}.instruction-copy{grid-column:2;grid-row:1/4}.instruction-copy h2{font-size:19px;line-height:1.5;margin:0 0 5px}.instruction-kicker{font-size:8px;margin:0 0 7px}.instruction-copy>p:not(.instruction-kicker){display:none}.instruction.details-open .instruction-copy>p:not(.instruction-kicker){display:block;font-size:11px;line-height:1.7}.instruction-copy p.tip{font-size:10px!important}.details-toggle{display:inline-block;font-size:10px;color:#616861;padding:5px 0}
 .replay-step{grid-column:3;grid-row:1;font-size:10px;justify-self:start;margin:0}.primary{grid-column:3;grid-row:3;min-width:0;width:150px;min-height:36px;font-size:10px;margin:0;padding:8px 12px}.sequence-status{grid-column:3;grid-row:2;margin:0;font-size:9px;line-height:1.6;color:#616861;max-width:150px}
 .timeline-panel{left:28px;right:28px;bottom:20px;transform:none;width:auto;height:78px;gap:22px;padding:16px 20px}.timeline-labels{font-size:9px}.tick-labels{font-size:8px}.round-button{font-size:11px}.play-button{height:34px;width:34px}.stage-bottom{left:32px;right:auto;bottom:101px;transform:none}.gesture{display:none}.auto-camera{font-size:8px;padding:2px}
 .chapter-page{display:none}.part-label{font-size:10px;padding:8px 12px;border-radius:3px;background:var(--paper)!important;max-width:240px;overflow:hidden;text-overflow:ellipsis}.book-reference{font-size:8px;border-radius:3px;opacity:.95}
 .inventory-heading{left:28px;top:100px;max-width:calc(100% - var(--rail) - 80px)}.inventory-heading h2{font-family:'Hiragino Mincho ProN','Yu Mincho',serif;font-size:28px;font-weight:400;margin:12px 0 8px}.inventory-heading #inventory-summary{font-size:11px}.inventory-config{display:none}
 .inventory-panel{top:196px;bottom:105px;right:28px;width:var(--rail);height:auto;padding:17px;overflow:auto}.inventory-panel-head{font-size:10px}.inventory-panel-head select{font-size:10px;min-height:32px}.inventory-row{min-height:38px}.inventory-part{font-size:11px;padding:8px 0}.inventory-row input{width:15px;height:15px}.inventory-part strong{font-size:12px}.inventory-part strong small{font-size:8px}.inventory-part-pdf{font-size:12px;min-width:26px}.inventory-list-head{font-size:10px;margin:13px 0 5px}.inventory-panel #inventory-note{font-size:10px;line-height:1.7;min-height:34px}#inventory-pdf{font-size:10px;min-height:32px}
 .inventory-bottom{left:28px;right:28px;bottom:24px;padding:0;gap:20px}.inventory-bottom>span{font-size:11px}.inventory-bottom>div{gap:10px}.inventory-bottom button{min-height:42px;font-size:11px;padding:11px 16px}.inventory-bottom #inventory-close{background:transparent;color:var(--outside);border-color:#b1b9b0}.inventory-bottom #inventory-tour{background:var(--paper);color:#303b32;border-color:var(--paper)}
 body[data-space=interior] .sidebar{top:94px;display:block;width:230px}.room-toolbar{bottom:24px}
}
@media(min-width:1550px){:root{--rail:310px}.sidebar{gap:30px}.instruction-copy h2{font-size:21px}.portal-copy{top:25%}.portal-copy h1{font-size:64px}}
@media(max-width:1200px) and (min-width:701px){:root{--rail:260px}.sidebar{gap:14px}.intro{min-width:120px}.intro h1{font-size:17px}.product-options{width:195px}.step-heading{width:122px;padding:10px}.step-heading .eyebrow{font-size:9px}.header-right #sources{display:none}.instruction{grid-template-columns:24px 1fr 134px;gap:5px 10px;padding:16px}.instruction-copy h2{font-size:16px}.primary{width:134px}.inventory-heading h2{font-size:25px}.manual-tile{padding:14px}}
@media(max-width:950px) and (min-width:701px){.sidebar .intro{display:none}.sidebar{gap:18px}.instruction-copy h2{font-size:15px}.header-right #open-film{display:none}.inventory-bottom>span{font-size:9px}.inventory-bottom button{padding:9px 11px;font-size:10px}}
@media(max-height:760px) and (min-width:701px){.header{top:18px}.sidebar{top:78px}.stage-top{top:78px!important}.scene-context{top:127px!important}.manual-tile,.inventory-panel{top:175px}.instruction{bottom:110px;padding:12px 16px}.manual-tile{bottom:110px}.timeline-panel{height:72px;bottom:18px}.inventory-heading{top:88px}.inventory-panel{bottom:90px}.inventory-heading h2{font-size:24px;margin:8px 0}.inventory-row{min-height:32px}.inventory-part{padding:6px 0}.inventory-panel #inventory-note{margin:8px 0}.stage-bottom{bottom:94px}}
/* Compact screens use the lower shelf for the instruction and the paper together. */
@media(max-width:700px){
 .header{top:17px;left:16px;right:16px}.identity{font-size:11px}.header-right{gap:6px}.header-right #open-ar,.header-right #open-film,.header-right #sources{display:none}.guide-control,.header-right .config-entry{font-size:9px;min-height:34px;padding:6px 8px}
 .portal-copy{top:94px;left:24px;right:24px}.portal-copy h1{font-size:30px;margin:12px 0}.portal-lead{font-size:10px;max-width:280px}.portal-foot{bottom:20px}.portal-copy .eyebrow{font-size:7px}
 .sidebar{top:76px;left:16px;right:16px;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.sidebar .intro{display:none}.product-options{margin:0;padding:0;display:block;width:215px}.config-summary-button{min-height:42px;padding:8px 10px}.dimensions{font-size:8px;margin:6px 0 0}.step-heading{margin:0;width:112px;padding:9px}.steps{top:48px;right:0;width:245px}
 .stage-top{top:145px!important;left:16px;right:16px;justify-content:space-between;gap:8px}.stage-top .view-tools{gap:13px}.stage-top .tool-button{padding:5px}.view-modes button{padding:6px}.scene-context{top:188px!important;left:16px;right:auto;justify-content:flex-start}.space-switch button{font-size:9px;padding:6px 14px;min-height:28px}
 .instruction{left:16px;right:16px;bottom:104px;width:auto;min-height:136px;padding:12px 152px 12px 12px;grid-template-columns:1fr;display:block;border-radius:4px}.instruction-number{display:none}.instruction-kicker{font-size:7px;margin-bottom:7px}.instruction-copy h2{font-size:13px;line-height:1.55;margin:0}.details-toggle{font-size:8px}.replay-step{font-size:8px;margin:7px 0 0;display:block}.sequence-status{font-size:8px;line-height:1.5;margin:5px 0}.primary{display:none}.instruction.details-open{min-height:200px}.instruction.details-open .instruction-copy>p:not(.instruction-kicker){font-size:9px;line-height:1.6}
 .manual-tile{top:auto;bottom:111px;right:23px;width:130px;height:122px;padding:7px;gap:2px;border:0;border-left:1px solid #e1e4db!important;border-radius:0;box-shadow:none;background:transparent!important}.manual-tile #compare-title{display:none}.manual-tile .tile-head{font-size:7px}.manual-tile .tile-head button{font-size:7px;min-height:19px}.manual-tile .drawing-open{min-height:42px}.manual-tile .frame-navigation{font-size:7px;gap:5px}.manual-tile .frame-navigation button{min-height:22px;width:22px;font-size:12px}.manual-tile #compare-caption,.manual-tile #manual-page{display:none}
 .timeline-panel{bottom:16px;left:16px;right:16px;height:70px;gap:10px;padding:12px}.round-button{font-size:9px;white-space:nowrap}.playback{gap:7px}.play-button{width:30px;height:30px}.stage-bottom{display:none}.part-label{font-size:8px;padding:6px 8px;max-width:180px}.book-reference{font-size:7px;padding:5px}
 .inventory-heading{top:104px;left:16px;right:16px;max-width:none}.inventory-heading .eyebrow{font-size:7px}.inventory-heading h2{font-family:inherit;font-size:20px;margin:8px 0 6px}.inventory-heading #inventory-summary{font-size:9px}.inventory-config{display:none}body.inspecting .stage-top{top:63px!important;justify-content:flex-end}body.inspecting .stage-top .view-modes,body.inspecting #open-parts{display:none}
 .inventory-panel{top:auto;bottom:99px;left:16px;right:16px;width:auto;height:210px;padding:12px;overflow:auto}.inventory-panel-head{display:flex;gap:10px;align-items:center}.inventory-panel-head select{font-size:10px;min-height:29px}.inventory-list-head{margin:9px 0 4px;font-size:9px}#inventory-list{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.inventory-row{min-height:31px;gap:5px}.inventory-row input{width:13px;height:13px}.inventory-part{font-size:9px;padding:6px 0;gap:4px}.inventory-part strong{font-size:10px}.inventory-part-pdf{font-size:10px;min-width:20px}.inventory-panel #inventory-note{font-size:9px;line-height:1.5;margin:9px 0;min-height:0}#inventory-pdf{font-size:9px;min-height:26px}
 .inventory-bottom{left:16px;right:16px;bottom:16px;display:block}.inventory-bottom>span{position:static;display:block;font-size:8px;margin-bottom:8px;text-align:center}.inventory-bottom>div{display:flex;flex-wrap:nowrap;gap:9px}.inventory-bottom #inventory-tour{flex:1 1 auto;background:var(--paper);color:#303b32;border-color:var(--paper);font-size:9px}.inventory-bottom #inventory-start{flex:1 1 auto;font-size:9px}.inventory-bottom #inventory-close{display:none}.inventory-bottom button{min-height:40px;padding:8px}
 body[data-space=interior] .sidebar{top:76px;display:block;width:215px}body[data-space=interior] .scene-context{top:188px!important}.inventory-label{font-size:8px;padding:5px 7px}
}
@media(prefers-reduced-motion:reduce){body:not(.book-portal) :is(.sidebar,.stage-top,.scene-context,.instruction,.timeline-panel,.manual-tile,.inventory-panel,.inventory-heading,.inventory-bottom){transition:none}}
@media(max-width:700px){.manual-tile{z-index:2}.step-heading{white-space:nowrap;gap:5px}.step-heading .eyebrow{font-size:8px}.step-heading b{font-size:10px;margin-left:3px}.step-heading>span:last-child{white-space:nowrap;font-size:10px}}
.detail-frame{position:absolute;pointer-events:none;border:1px solid #c3cec34d;border-radius:3px;z-index:1}.detail-frame[hidden]{display:none}.detail-frame>span{position:absolute;top:10px;left:12px;color:#f5f4ed;font-size:9px;letter-spacing:.04em;background:#69736ce6;padding:5px 7px;border-radius:2px}
@media(min-width:701px){.instruction{padding:13px 18px;gap:3px 12px}.replay-step{padding:0;min-height:20px;line-height:20px}.sequence-status{padding:0;min-height:0;line-height:1.4}.primary{min-height:33px;padding:7px 12px}.instruction-copy h2{font-size:18px}.instruction-number{padding-top:8px}.instruction-kicker{margin-bottom:6px}}
@media(max-width:700px){.detail-frame>span{font-size:8px;top:7px;left:7px;padding:4px 6px}}

/* v17 · give the assembly more height; preserve the full paper companion. */
.sidebar .intro,.sidebar .dimensions{display:none}
.instruction-number,.instruction-kicker,.instruction:not(.details-open) .primary,.instruction:not(.details-open) .replay-step{display:none}
.timeline .tick-labels,.timeline-labels>span:first-child,.timeline-labels>span:last-child{display:none}
.timeline-labels{justify-content:center;margin-bottom:5px}
.inventory-heading h2,.inventory-heading .eyebrow,.inventory-bottom>span{display:none}
.inventory-heading #inventory-summary{margin:0;font-size:11px}
.inventory-panel #inventory-note{min-height:0}
@media(min-width:701px){
 .sidebar{top:78px;min-height:38px;gap:14px;justify-content:flex-start}
 .product-options{width:235px}.config-summary-button{min-height:38px;padding:7px 11px}.config-summary-button>span:first-child{display:flex;align-items:center;gap:8px}.config-change{display:none}
 .step-heading{padding:9px 11px;min-height:38px}.steps{left:249px;right:auto;top:44px}
 .stage-top{top:78px!important}.scene-context,body[data-space=interior] .scene-context{top:127px!important}
 .instruction{bottom:91px;padding:10px 14px;min-height:55px;display:grid;grid-template-columns:1fr auto;gap:3px 16px;box-shadow:none}
 .instruction-copy{grid-column:1;grid-row:1}.instruction-copy h2{font-size:15px;display:inline;margin-right:14px;line-height:1.6}.details-toggle{font-size:9px;padding:5px 0}.sequence-status{grid-column:2;grid-row:1;max-width:210px;font-size:9px}
 .instruction.details-open .instruction-copy{grid-row:1/3}.instruction.details-open .replay-step{grid-column:2;grid-row:2}.instruction.details-open .primary{grid-column:2;grid-row:3}.instruction.details-open .sequence-status{grid-row:1}
 .timeline-panel{height:56px;bottom:20px;padding:8px 18px}.timeline-labels{font-size:8px}.timeline input{height:4px}.stage-bottom{bottom:78px;left:30px}.auto-camera{font-size:7px}
 .inventory-heading{top:89px;left:28px}.inventory-panel{top:130px;bottom:90px}.inventory-bottom{bottom:25px;justify-content:flex-end}.inventory-panel #inventory-note{margin:9px 0;font-size:10px}
}
@media(max-width:700px){
 .sidebar{top:65px;align-items:center}.product-options{width:210px}.config-summary-button{min-height:36px;padding:6px 8px}.step-heading{min-height:36px;padding:8px}.config-change{display:none}
 .stage-top{top:112px!important}.scene-context,body[data-space=interior] .scene-context{top:151px!important}
 .instruction-copy h2{font-size:12px}.instruction:not(.details-open) .sequence-status{font-size:8px!important;margin-top:8px}.instruction.details-open .replay-step{display:block}
 .timeline-panel{height:56px;padding:8px 12px}.timeline-labels{margin-bottom:3px}.inventory-heading{top:106px}.inventory-heading #inventory-summary{font-size:9px}.inventory-bottom>span{display:none}
}

/* v18: a quiet joint window; the established manual width stays unchanged. */
.detail-frame{border:1px solid #666e60;border-radius:7px;box-shadow:0 2px 12px #30372c18;pointer-events:none;background:transparent;z-index:4;overflow:visible}
.detail-frame::before,.detail-frame::after{display:none}
.detail-frame span{position:absolute;left:0;right:0;top:100%;bottom:auto;margin-top:5px;font-size:10px;line-height:1.35;color:#31392e;background:#e1e7da;padding:5px 7px;border-radius:3px}
.wall-choice{display:flex;gap:9px;align-items:center;font-size:13px;margin:12px 0 22px}.wall-choice input{accent-color:#515d48;width:17px;height:17px}
.config-presets{flex-wrap:wrap}
/* v19: clear parts, an interactive close-up, and a shelf-led start screen. */
#inventory-labels,#part-label,#book-reference{display:none!important}
.detail-frame{pointer-events:auto;touch-action:none;cursor:grab;border-radius:5px}
.detail-frame:active{cursor:grabbing}
.detail-frame[data-mode=diagram]{cursor:pointer;background:#fffef9}
#detail-diagram{width:100%;height:100%;display:block;border-radius:5px}
#detail-diagram[hidden]{display:none}
.detail-frame span{pointer-events:none;font-size:9px;padding:4px 7px;white-space:normal}
#hero-presets{position:absolute;left:5%;top:53%;display:flex;flex-wrap:wrap;gap:7px;max-width:330px;pointer-events:auto}
#hero-presets button{padding:10px 13px;border:1px solid #cad1c5;border-radius:3px;color:#f3f4eb;font-size:11px;min-height:38px}
#hero-presets button[aria-pressed=true]{background:#f1f3e9;color:#344035;border-color:#f1f3e9}
.portal-copy h1{font-size:clamp(35px,4vw,62px);line-height:1.4;letter-spacing:.045em}
.portal-copy .eyebrow{font-size:9px}.portal-copy{top:20%;left:5%;width:34%}
#portal-open{margin-top:28px;min-width:230px}.portal-foot{left:5%;right:5%}
body.book-entering #hero-presets{opacity:0;pointer-events:none}
@media(max-width:700px){
 .portal-copy{left:24px;right:24px;top:91px;width:auto}.portal-copy h1{font-size:26px;margin:10px 0}.portal-copy h1 br{display:none}.portal-lead{font-size:10px}
 #hero-presets{left:24px;right:24px;top:auto;bottom:190px;max-width:none;justify-content:center;gap:5px}#hero-presets button{padding:8px 10px;min-height:34px;font-size:9px}
 #portal-open{bottom:128px;margin:0;min-width:0}.portal-foot{left:24px;right:24px;bottom:16px}#portal-status{display:none}
 .detail-frame span{font-size:8px;padding:4px 5px}.inventory-part{font-size:9px}.inventory-part strong{flex-shrink:0}
}
#hero-presets{position:static;margin:22px 0 0;max-width:350px}#portal-open{margin-top:18px}
body.book-portal #guide-control{display:none}
@media(max-width:700px){#hero-presets{position:fixed;left:24px;right:24px;top:auto;bottom:190px;margin:0;max-width:none}#portal-open{margin:0}}
/* Minimal controls: one menu for secondary tools. */
.header-right{gap:0}.header-right>button:not(#more-toggle){display:none!important}
.more-toggle{color:#f5f6ef;font-size:16px;letter-spacing:3px;width:42px;height:36px;border:1px solid #b9c3b66b;border-radius:3px;background:transparent}
.more-menu{position:absolute;right:0;top:44px;z-index:40;display:grid;grid-template-columns:1fr 1fr;gap:3px;min-width:270px;padding:10px;background:#fffef9;box-shadow:0 8px 30px #1f2d2740;border-radius:5px;border:1px solid #dce2d5}
.more-menu[hidden]{display:none}.more-menu button{padding:11px 10px;text-align:left;color:#3d483d;font-size:11px;min-height:38px;border-radius:2px;white-space:nowrap}.more-menu button:hover{background:#edf0e7}.more-menu button:focus-visible{outline:1px solid #61735c}
.stage-top,.scene-context,.stage-bottom,#speed,.instruction:not(.details-open) .details-toggle{display:none!important}
.manual-tile .tile-head button{display:none}.manual-tile .tile-head{font-size:9px}.instruction-copy h2{margin:0}
.portal-foot #portal-film,.portal-foot #portal-pdf,.portal-foot>span{display:none}.portal-foot{justify-content:flex-start}.portal-foot #portal-config{font-size:11px;min-height:42px}.portal-foot #portal-config>span:last-child{font-size:10px}
body.book-entering .header-right{visibility:hidden}
@media(max-width:700px){
 .header-right{display:block}.more-toggle{height:32px;width:36px;font-size:13px}.more-menu{min-width:265px;right:0;top:39px;padding:8px}.more-menu button{font-size:10px;min-height:40px}
 .inventory-heading{top:68px}.inventory-heading #inventory-summary{font-size:9px}.portal-foot{display:flex;bottom:20px}.portal-foot #portal-config{font-size:10px;gap:6px}
 .instruction:not(.details-open){min-height:118px;padding-top:16px}.manual-tile{height:105px}
}

#compare-title{display:none}.more-menu button[hidden]{display:none}

/* Two viewing paces share one continuous assembly timeline. */
.header-right{display:flex;align-items:center;gap:10px}
.playback-mode{display:flex;align-items:center;gap:2px;padding:3px;border:1px solid #b9c3b66b;border-radius:4px;background:#58665dcc;white-space:nowrap}
.playback-mode button{min-height:30px;padding:6px 12px;border-radius:2px;color:#e0e6dc;font-size:10px;line-height:1.3}
.playback-mode button[aria-pressed=true]{background:var(--paper);color:var(--ink)}
.playback-mode button:focus-visible{outline:2px solid #fff;outline-offset:4px}
body[data-space=interior] .playback-mode{background:#fffef9dc;border-color:#babdb2}
body[data-space=interior] .playback-mode button{color:#5f685d}
body[data-space=interior] .playback-mode button[aria-pressed=true]{background:#3b493d;color:#fff}
@media(max-width:700px){.header-right{display:flex;gap:7px}.playback-mode{padding:2px;gap:1px}.playback-mode button{min-height:29px;padding:6px 8px;font-size:9px}}

/* Primary assembly drag: anchored rotation or movement. */
.interaction-mode{position:absolute;z-index:3;left:36px;top:132px;display:flex;gap:1px;padding:2px;border:1px solid #c8d0c3a6;border-radius:4px;background:#56655ce6}
.interaction-mode button{min-height:28px;padding:5px 11px;border-radius:2px;color:#e0e6dc;font-size:9px;line-height:1.3;white-space:nowrap}
.interaction-mode button[aria-pressed=true]{background:var(--paper);color:var(--ink)}
.interaction-mode button:focus-visible{outline:2px solid #fff;outline-offset:4px}
body.book-portal .interaction-mode,body.inspecting .interaction-mode,body.handoff .interaction-mode,body[data-space=interior] .interaction-mode{display:none}
body:not(.book-portal):not(.inspecting)[data-space=assembly] #scene canvas{cursor:grab}
body:not(.book-portal):not(.inspecting)[data-space=assembly][data-interaction-mode=move] #scene canvas{cursor:move}
body[data-space=assembly] #scene canvas.is-interacting{cursor:grabbing!important}
@media(max-width:700px){.interaction-mode button{min-height:28px;padding:5px 9px;font-size:9px}}

.interaction-mode #restore-camera{margin-left:5px;border-left:1px solid #c8d0c36b;border-radius:0;color:#fff}.interaction-mode #restore-camera[hidden]{display:none}
