:root{font-family:Inter,"Segoe UI","Noto Sans JP",sans-serif;color:#26343e;background:#f8fafb;font-synthesis:none;--line:#e4e9ed;--muted:#85919b;--accent:#b3f0d0;--dark:#202d38}*{box-sizing:border-box}body{margin:0;height:100dvh;overflow:hidden}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:8px;min-height:42px;padding:9px 12px;background:#fff;color:inherit;font-size:14px}button:hover{background:#f0f5f3;border-color:#b6cec2}button:focus-visible,input:focus-visible{outline:3px solid #44ae88;outline-offset:3px}button:disabled{opacity:.32;cursor:default}kbd{font-family:inherit;font-size:11px;color:#9ca6af}header{height:78px;padding:0 26px;display:flex;align-items:center;gap:34px;background:white;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit;font-size:21px;font-weight:700;letter-spacing:-.8px}.brand small{display:block;font-size:9px;letter-spacing:3px;font-weight:500;margin-top:2px;color:#84929a}.project{padding-left:28px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:4px}.project input{border:0;background:none;padding:0;font-size:14px;color:#35454e;width:220px;font-weight:600}.project>span{font-size:11px;color:#91a097}.header-actions{margin-left:auto;display:flex;gap:12px;align-items:center}.header-actions #help{border-radius:50%;height:32px;min-height:32px;width:32px;padding:0}.primary{background:var(--dark);border-color:var(--dark);color:var(--accent)}.primary:hover{background:#334b4e;color:white}main{height:calc(100dvh - 110px);display:grid;grid-template-columns:226px minmax(0,1fr) 250px}.palette-panel,.settings-panel{padding:27px 21px;overflow-y:auto;display:flex;flex-direction:column;background:#fff}.palette-panel{border-right:1px solid var(--line)}.settings-panel{border-left:1px solid var(--line)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:6px}.section-heading h2{font-size:14px;font-weight:650;margin:0}.section-heading>span{font-size:9px;color:#9aa6ae;letter-spacing:1px}.current-color{display:flex;align-items:center;gap:10px;margin:22px 0}.current-color i{width:34px;height:34px;background:#f4ad79;border-radius:8px;box-shadow:inset 0 0 0 1px #0001}.current-color div{display:flex;flex-direction:column;gap:3px}.current-color small{font-size:10px;color:var(--muted)}.current-color strong{font-size:13px;letter-spacing:.3px}input[type=color]{width:26px;height:28px;border:0;padding:0;background:none;margin-left:auto;cursor:pointer}.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:20px}.swatch{min-height:27px;aspect-ratio:1;padding:0;border:3px solid white;border-radius:7px;outline:1px solid #0000000a}.swatch:hover{border-color:#fff;outline:2px solid #a2bcb1}.swatch.active{outline:2px solid #304942}.wide{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;font-size:12px;background:#fafcfc}.wide kbd{margin-left:auto}.divider{border-top:1px solid var(--line);margin:25px 0}.tools{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.tools button{display:flex;align-items:center;gap:7px;padding:10px 9px;min-height:45px;font-size:12px}.tools button b{font-weight:400;font-size:20px;line-height:20px}.tools button kbd{margin-left:auto}.tools button.active{background:var(--dark);color:var(--accent);border-color:var(--dark)}.toggle{display:flex;justify-content:space-between;align-items:center;font-size:13px;gap:10px;min-height:32px}.toggle small{font-size:10px;color:#95a19c;margin-left:7px}.toggle input{appearance:none;width:32px;height:18px;background:#dfe6e5;border-radius:20px;position:relative;margin:0;cursor:pointer;flex-shrink:0}.toggle input:after{content:'';position:absolute;width:12px;height:12px;border-radius:50%;background:white;top:3px;left:3px;transition:.15s}.toggle input:checked{background:#3c9978}.toggle input:checked:after{left:17px}.hint{font-size:11px;line-height:1.9;color:#8e9b9f;margin:8px 0 0}.panel-bottom{margin-top:auto;padding-top:35px;display:flex;align-items:center;gap:12px;color:#a0aeac;font-size:12px;line-height:1.9}.pixel-dot{font-size:36px;color:#c1d2c8}.viewport{position:relative;overflow:hidden;min-height:0;background:#19232e}#canvasHost{position:absolute;inset:0}canvas{display:block;width:100%;height:100%;touch-action:none}.viewport-top{position:absolute;top:20px;left:24px;right:24px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.workspace-tag{color:#b0bfc9;font-size:11px;letter-spacing:1px;display:flex;align-items:center;gap:8px}.workspace-tag i{width:5px;height:5px;background:#9ac4b3}.workspace-tag em{font-size:8px;color:#657886;font-style:normal;margin-left:5px}.viewport-top button{pointer-events:auto;color:#a8bbc6;font-size:11px;border-color:#3c4a56;background:#23303caa;min-height:34px}.viewport-top kbd{margin-left:8px;font-size:10px;color:#617887}.canvas-note{position:absolute;top:77px;left:24px;display:flex;flex-direction:column;gap:8px;pointer-events:none}.canvas-note #modeLabel{color:var(--accent);font-size:13px}.canvas-note #cursorLabel{color:#6d8595;font-size:10px;letter-spacing:.5px}.orientation{position:absolute;bottom:57px;left:50%;transform:translateX(-50%);display:flex;padding:4px;gap:2px;background:#202e3adb;border:1px solid #394958;border-radius:10px}.orientation button{background:transparent;border:0;color:#859eae;font-size:12px;min-height:34px;min-width:52px;padding:6px}.orientation button.active{background:#3d524f;color:#d0f8df}.viewport-bottom{position:absolute;bottom:18px;left:24px;right:24px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;color:#6e8493}.axis{display:flex;gap:8px}.axis i{width:21px;height:21px;border:1px solid #b1716d;display:grid;place-items:center;color:#c7857f;font-style:normal;font-size:10px;border-radius:50%}.axis i:nth-child(2){color:#8db48e;border-color:#6b8e74}.axis i:nth-child(3){color:#80a7c4;border-color:#62849f}.layer-toggle{margin-top:18px}.layer-number{display:flex;align-items:center;justify-content:space-between;margin:23px 0 12px}.layer-number>span{font-size:12px;color:#879791}.layer-number b{font-size:10px;margin-left:4px;color:#60a083}.layer-number strong{font-size:26px;font-weight:500;letter-spacing:-1px;font-variant-numeric:tabular-nums}.layer-number small{font-size:12px;color:#a4aeaa;letter-spacing:0}.layer-slider{display:flex;align-items:center;gap:10px}.layer-slider button{min-height:30px;width:30px;padding:1px;font-size:16px;background:#f7faf8;flex-shrink:0}input[type=range]{width:100%;min-width:0;accent-color:#4b9b7c}.layer-map{display:flex;gap:4px;overflow-x:auto;margin-top:22px;align-items:flex-end;height:56px}.layer-bar{padding:0;min-height:12px;flex:1 0 12px;min-width:12px;background:#e1eee5;border:0;border-radius:2px}.layer-bar.active{background:#4f9b7b}.model-stat{display:flex;align-items:baseline;gap:10px;margin-top:18px}.model-stat strong{font-size:38px;font-weight:500;letter-spacing:-1.5px;font-variant-numeric:tabular-nums}.model-stat>span{font-size:12px;color:#81948a}.model-stat small{display:block;font-size:10px;color:#a4b0a9;margin-top:3px}.stat-row{display:flex;justify-content:space-between;font-size:12px;color:#8b9995;margin-top:15px}.stat-row b{font-weight:500;color:#53675b}.history{display:flex;gap:8px;margin-top:auto;padding-top:30px}.history button{flex:1;font-size:11px;padding:8px 3px}.new-button{margin-top:10px}.text-button{background:none;border:0;color:#8b9c93;font-size:11px;min-height:34px;margin-top:4px}footer{height:32px;display:flex;justify-content:space-between;align-items:center;padding:0 22px;border-top:1px solid var(--line);color:#8a999e;font-size:9px;letter-spacing:.8px;background:#fff}footer i{font-style:normal;margin:0 9px;color:#bbc7c7}.mobile-toolbar{display:none}dialog{border:1px solid var(--line);border-radius:18px;padding:25px;max-width:450px;width:calc(100% - 30px);color:#33433e;box-shadow:0 20px 100px #0003;max-height:85dvh}dialog::backdrop{background:#12202d99;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.dialog-head h2{font-size:20px;margin:0}.dialog-head button{font-size:24px;border:0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}dialog p{font-size:14px;line-height:1.9;color:#85938b}dialog ol{font-size:14px;line-height:1.9;padding-left:24px}dialog li{padding-bottom:12px}.file-option{display:block;text-align:left;width:100%;padding:16px;margin-top:10px;background:#f9fbfa}.file-option b{display:flex;justify-content:space-between;gap:10px;font-size:14px}.file-option b span{font-size:11px;color:#8a9b90;font-weight:400}.file-option small{font-size:11px;color:#84948b;display:block;margin-top:8px}#toast{position:fixed;bottom:94px;left:50%;transform:translateX(-50%) translateY(10px);opacity:0;pointer-events:none;background:#d5f7e5;color:#254435;border:1px solid #b3dbbf;border-radius:10px;padding:12px 20px;font-size:13px;transition:.2s;z-index:20;max-width:90%;text-align:center}#toast.show{opacity:1;transform:translateX(-50%)}#fatal{position:absolute;top:100px;left:20px;right:20px;padding:22px;background:white;border-radius:10px;font-size:14px;line-height:1.8;color:#a45454}
@media(min-width:1500px){main{grid-template-columns:260px minmax(0,1fr) 280px}.palette-panel,.settings-panel{padding:30px 25px}.swatches{gap:13px}.swatch{min-height:32px}}
@media(max-width:1050px){main{grid-template-columns:195px minmax(0,1fr) 220px}.palette-panel,.settings-panel{padding:22px 15px}.workspace-tag em{display:none}.tools button kbd{display:none}.project{padding-left:20px}header{gap:24px}.swatches{gap:8px}}
@media(max-width:760px),(max-width:1050px) and (max-height:500px){header{height:64px;padding:0 15px;gap:10px}.brand{font-size:18px;gap:8px}.brand img{width:29px;height:29px}.brand small{font-size:8px;letter-spacing:2px}.project{display:none}.header-actions{gap:8px}.header-actions button{font-size:11px;padding:8px 10px}.header-actions #help{height:29px;min-height:29px;width:29px}main{height:calc(100dvh - 128px - env(safe-area-inset-bottom));display:block}.viewport{height:100%}.palette-panel,.settings-panel{display:none;position:absolute;z-index:5;left:10px;right:10px;bottom:calc(74px + env(safe-area-inset-bottom));height:46dvh;max-height:440px;border:1px solid #dce6e0;border-radius:18px;box-shadow:0 10px 60px #0005;padding:20px}.palette-panel.open,.settings-panel.open{display:flex}.palette-panel .tools,.palette-panel .tool-heading{display:none}.swatches{grid-template-columns:repeat(10,1fr);gap:9px}.swatch{min-height:24px}.current-color{margin:14px 0}.palette-panel .divider{margin:14px 0}.palette-panel .panel-bottom{display:none}.hint{font-size:12px}.toggle{min-height:42px;font-size:14px}.layer-map{height:40px;flex-shrink:0}.settings-panel .divider{margin:18px 0}.settings-panel .model-stat{margin-top:8px}.history{padding-top:16px;margin-top:0}.viewport-top{left:16px;right:16px;top:17px}.workspace-tag{font-size:10px}.viewport-top button{font-size:10px;min-height:32px}.viewport-top kbd{display:none}.canvas-note{left:16px;top:68px}.orientation{bottom:52px}.viewport-bottom{left:16px;right:16px;bottom:17px;font-size:9px}.axis{gap:5px}.axis i{width:18px;height:18px;font-size:9px}.mobile-toolbar{display:flex;height:calc(64px + env(safe-area-inset-bottom));padding:6px 9px calc(6px + env(safe-area-inset-bottom));gap:5px;border-top:1px solid #d8e5dd;background:#fff;align-items:center;justify-content:space-around}.mobile-toolbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:0;padding:5px 3px;min-height:49px;background:transparent;border-radius:9px}.mobile-toolbar button b{font-size:22px;font-weight:400;line-height:23px}.mobile-toolbar button span{font-size:10px}.mobile-toolbar button.active{background:#243b38;color:#b9efd2}.mobile-toolbar button i{height:22px;width:22px;background:#f4ad79;border-radius:5px;border:1px solid #0002}.mobile-toolbar [data-panel].active{background:#e7f3ec;color:#305440}footer{display:none}#toast{bottom:calc(82px + env(safe-area-inset-bottom))}.layer-bar{min-height:18px}.settings-panel .layer-number{margin-top:12px}.settings-panel .stat-row{margin-top:10px}}
@media(max-width:380px){header{padding:0 10px}.brand{font-size:16px}.header-actions{gap:5px}.workspace-tag{letter-spacing:0}.axis{display:none}}
.tools button span{white-space:nowrap;font-size:14px}.tools button b{flex-shrink:0}.tools button kbd{display:none}.toggle,.stat-row,.wide{font-size:14px}.hint{font-size:12px;color:#71837b}.orientation button{font-size:14px}.file-name{display:flex;flex-direction:column;gap:7px;font-size:14px;margin:16px 0}.file-name input{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px;color:#33433e;background:#f9fbfa;font-size:16px}
@media(max-width:760px),(max-width:1050px) and (max-height:500px){.swatches{grid-template-columns:repeat(5,1fr);gap:8px}.swatch{min-height:38px;aspect-ratio:auto}.palette-panel{height:55dvh;max-height:500px}.history button{font-size:14px}.mobile-toolbar button span{font-size:12px}.viewport-bottom{font-size:10px}.layer-slider button{min-height:38px;width:38px}.text-button{font-size:14px}}

.interaction-mode{position:absolute;right:20px;bottom:112px;z-index:3;width:76px;min-height:90px;padding:10px 6px;display:flex;flex-direction:column;align-items:center;gap:5px;border:1px solid #8cd6b3;border-radius:16px;background:#d5f3e3;color:#254435;box-shadow:0 4px 20px #0004;touch-action:manipulation}.interaction-mode:hover{background:#e4ffef}.interaction-mode svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.interaction-mode strong{font-size:15px;font-weight:650}.interaction-mode small{font-size:11px}.interaction-mode[data-mode=rotate]{background:#dae9ff;border-color:#8ebbe5;color:#274d77}.interaction-mode[data-mode=pan]{background:#ffedcc;border-color:#e8c18c;color:#735328}.tools{grid-template-columns:repeat(3,minmax(0,1fr))}.tools button{flex-direction:column;gap:5px;padding:8px 3px}.tools button span{font-size:13px}
@media(max-width:760px),(max-width:1050px) and (max-height:500px){.interaction-mode{right:14px;bottom:106px;width:70px;min-height:84px;padding:8px 5px}.interaction-mode svg{width:25px;height:25px}}
@media(max-height:480px){.interaction-mode{bottom:102px;min-height:68px;gap:2px}.interaction-mode svg{width:20px;height:20px}}

.tools{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-controls{border-top:1px solid var(--line);margin-top:18px;padding-top:12px}.guide-controls .toggle{font-size:13px}.guide-controls b{color:#467d8e}

.parts-editor{border-bottom:1px solid var(--line);padding:18px 0;margin-bottom:8px;flex-shrink:0}.part-field{display:flex;flex-direction:column;gap:6px;font-size:12px;margin:12px 0}.part-field input,.part-field select{width:100%;min-height:44px;min-width:0;border:1px solid var(--line);border-radius:8px;background:#f7faf8;color:#26343e;font:inherit;font-size:16px;padding:8px}.part-actions{display:flex;gap:6px}.part-actions button{flex:1;font-size:12px;min-height:44px;padding:6px}.parts-editor .wide{min-height:44px;margin:8px 0}.parts-editor .active{background:#243b38;color:#b9efd2}.part-merge{margin-top:12px}.part-merge summary{min-height:44px;padding:12px 0;font-size:12px;cursor:pointer}.part-badge{position:absolute;left:24px;top:132px;max-width:calc(100% - 48px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;z-index:3;min-height:44px;background:#243b38e8;color:#b9efd2;border-color:#526674;font-size:12px}.settings-panel>*,.palette-panel>*{flex-shrink:0}
/* Compact mobile workspace, including short landscape windows. */
.mobile-only,.mobile-menu,.view-switcher>summary{display:none}
.view-switcher:not([open])>.orientation{display:flex}
.install-guide{padding:16px;border-radius:12px;background:#edf6f0;margin:18px 0}
.install-guide h3{font-size:16px;margin:0 0 8px}.install-guide p{font-size:13px;color:#52675c;margin:8px 0}
@media(max-width:760px),(max-width:1050px) and (max-height:500px){
  body{background:#19232e;overscroll-behavior:none}
  header,footer{display:none}
  main{height:100dvh;display:block}
  .viewport{height:100%;width:100%}
  .viewport-top,.canvas-note,.viewport-bottom{display:none}
  .part-badge{top:calc(64px + env(safe-area-inset-top));left:max(10px,env(safe-area-inset-left));max-width:calc(100% - 100px)}
  .mobile-menu,.view-switcher{position:absolute;z-index:4;top:calc(10px + env(safe-area-inset-top));display:block}
  .mobile-menu{left:max(10px,env(safe-area-inset-left))}
  .view-switcher{right:max(10px,env(safe-area-inset-right))}
  .mobile-menu>summary,.view-switcher>summary{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border:1px solid #526674;border-radius:12px;background:#202e3aeb;color:#dbebe6;font-size:13px;cursor:pointer;list-style:none;touch-action:manipulation}
  summary::-webkit-details-marker{display:none}
  summary:focus-visible{outline:3px solid #b3f0d0;outline-offset:3px}
  .mobile-menu-content{display:flex;flex-direction:column;gap:6px;margin-top:8px;width:236px;max-width:calc(100vw - 20px);padding:10px;border:1px solid #526674;border-radius:14px;background:#202e3a;box-shadow:0 8px 28px #0005}
  .mobile-menu:not([open])>.mobile-menu-content{display:none}
  .mobile-menu-title{font-size:12px;letter-spacing:.5px;color:#a9c9bb;padding:4px 6px}
  .mobile-menu-content button{min-height:44px;text-align:left;background:#30433f;border-color:#456057;color:#e5f8ed;font-size:13px}
  .view-switcher .orientation{position:static;transform:none;margin-top:8px;display:grid;grid-template-columns:1fr 1fr;gap:5px;width:178px;padding:7px;background:#202e3a;box-shadow:0 8px 28px #0005}
  .view-switcher:not([open])>.orientation{display:none}
  .orientation button{min-height:44px;font-size:13px}
  .orientation .mobile-only{display:block;grid-column:1/-1;border-top:1px solid #456057;border-radius:0}
  .interaction-mode{right:max(10px,env(safe-area-inset-right));bottom:calc(76px + env(safe-area-inset-bottom));width:64px;min-height:80px;padding:8px 4px;gap:4px;border-radius:14px}
  .interaction-mode svg{width:23px;height:23px}.interaction-mode strong{font-size:14px}.interaction-mode small{font-size:10px}
  .mobile-toolbar{position:fixed;z-index:6;bottom:0;left:0;right:0;height:calc(64px + env(safe-area-inset-bottom));padding:6px max(8px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));gap:2px;background:#f8fafbee;box-shadow:0 -4px 20px #0002;backdrop-filter:blur(12px)}
  .mobile-toolbar button{min-width:44px;min-height:50px}.mobile-toolbar button span{font-size:11px}
  .palette-panel,.settings-panel{position:fixed;left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));bottom:calc(74px + env(safe-area-inset-bottom));height:min(55dvh,500px);max-height:calc(100dvh - 94px - env(safe-area-inset-top) - env(safe-area-inset-bottom));padding:18px;overscroll-behavior:contain;scroll-padding-top:54px}
  .panel-close.mobile-only{display:block;position:absolute;right:8px;top:8px;min-width:44px;min-height:44px;font-size:24px;padding:0;background:#fff}
  .palette-panel>.section-heading:first-of-type,.settings-panel>.section-heading:first-of-type{padding-right:38px;min-height:36px}
  .section-heading>span{display:none}
  dialog{max-height:calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));padding:20px}
  .dialog-head h2{font-size:18px}.dialog-head button{min-width:44px;min-height:44px}
  #fatal{top:calc(70px + env(safe-area-inset-top));z-index:5}
}
@media(max-width:1050px) and (max-height:500px){
  .palette-panel,.settings-panel{height:calc(100dvh - 94px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}
  .swatches{grid-template-columns:repeat(10,1fr)}
  .interaction-mode{min-height:68px;gap:2px}.interaction-mode svg{width:19px;height:19px}
}

.quick-rotate{position:absolute;right:20px;bottom:210px;z-index:3;width:76px;height:56px;min-height:56px;padding:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:#dae9ff;border:1px solid #8ebbe5;border-radius:14px;color:#274d77;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab;box-shadow:0 4px 16px #0003}
.quick-rotate svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.quick-rotate span{font-size:12px;line-height:16px}
.control-safe-area{position:fixed;visibility:hidden;pointer-events:none;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
.movable-control{touch-action:none!important;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.control-positioned{left:var(--control-x)!important;top:var(--control-y)!important;right:auto!important;bottom:auto!important;transform:none!important}
.movable-control.hold-waiting{animation:control-hold 3s linear forwards}
@keyframes control-hold{0%{box-shadow:0 0 0 0 #a6cdff88}100%{box-shadow:0 0 0 6px #a6cdff}}
.movable-control.control-moving{outline:3px solid #f0d876;outline-offset:3px;cursor:grabbing;box-shadow:0 8px 24px #0008}
.quick-undo[aria-disabled=true]{opacity:.4;cursor:default}
.control-layout-settings{padding-top:12px}.control-layout-settings h3{font-size:14px;margin:0}
@media(max-width:760px),(max-width:1050px) and (max-height:500px){
 #mobileMenu>.mobile-menu-content,#viewMenu>.orientation{position:fixed;margin:0;bottom:auto;right:auto;transform:none;overflow:auto;overscroll-behavior:contain}
}
.quick-rotate:hover{background:#e7f1ff}.quick-rotate.pressed{background:#8db9f0;color:#173655;cursor:grabbing;box-shadow:0 0 0 3px #a6cdff55}
@media(max-height:480px){.quick-rotate{bottom:178px}}
.quick-undo{display:none}
@media(max-width:760px),(max-width:1050px) and (max-height:500px){
  .quick-undo{display:block;position:absolute;top:calc(64px + env(safe-area-inset-top));right:max(10px,env(safe-area-inset-right));z-index:3;width:88px;min-height:44px;padding:8px;border:1px solid #526674;border-radius:12px;background:#243b38e8;color:#b9efd2;font-size:13px;touch-action:manipulation}
  .quick-rotate{width:64px;right:max(10px,env(safe-area-inset-right));bottom:calc(164px + env(safe-area-inset-bottom))}
  .quick-undo:hover:not(:disabled){background:#34524a}
  .quick-undo:disabled{opacity:.4;cursor:default}
  .part-badge{max-width:calc(100% - 120px - env(safe-area-inset-left) - env(safe-area-inset-right))}
}
/* Use vertical space for the model on compact landscape screens. */
@media(max-width:760px) and (orientation:landscape),(max-width:1050px) and (max-height:500px) and (orientation:landscape){
  body{--tool-rail:calc(68px + env(safe-area-inset-left))}
  main{padding-left:var(--tool-rail)}
  .mobile-toolbar{top:0;right:auto;bottom:0;width:var(--tool-rail);height:100dvh;flex-direction:column;justify-content:space-between;align-items:stretch;gap:2px;padding:calc(6px + env(safe-area-inset-top)) 6px calc(6px + env(safe-area-inset-bottom)) calc(6px + env(safe-area-inset-left));border-top:0;border-right:1px solid #d8e5dd;box-shadow:4px 0 20px #0002;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain}
  .mobile-toolbar button{flex:0 0 auto;width:100%;min-width:44px;min-height:44px;height:44px;padding:2px;gap:1px}
  .mobile-toolbar button b{font-size:20px;line-height:20px}
  .mobile-toolbar button i{width:20px;height:20px}
  .mobile-toolbar button span{font-size:10px;line-height:14px}
  .mobile-menu,.part-badge{left:10px}
  .interaction-mode{bottom:calc(10px + env(safe-area-inset-bottom))}
  .quick-rotate{bottom:calc(98px + env(safe-area-inset-bottom))}
  .palette-panel,.settings-panel{left:calc(var(--tool-rail) + 8px);right:auto;top:calc(10px + env(safe-area-inset-top));bottom:calc(10px + env(safe-area-inset-bottom));width:min(320px,calc(100vw - var(--tool-rail) - 18px - env(safe-area-inset-right)));height:auto;max-height:none}
  .swatches{grid-template-columns:repeat(5,minmax(0,1fr))}
  #toast{left:calc(50% + var(--tool-rail)/2);bottom:calc(12px + env(safe-area-inset-bottom));max-width:calc(100vw - var(--tool-rail) - 100px - env(safe-area-inset-right))}
}
@media(max-width:1050px) and (max-height:300px) and (orientation:landscape){
  .quick-rotate{right:calc(max(10px,env(safe-area-inset-right)) + 72px);bottom:calc(10px + env(safe-area-inset-bottom))}
}

.transparency-control{margin:14px 0}.transparency-control label{display:flex;justify-content:space-between;font-size:13px}.transparency-control input{width:100%;min-height:36px;accent-color:#8ccbbb}.transparency-presets{display:flex;gap:8px}.transparency-presets button{flex:1;min-height:44px}

.paint-settings{margin:0 0 16px}.paint-settings label{display:flex;justify-content:space-between;font-size:13px;gap:8px}.paint-settings select{width:100%;min-height:44px;margin:8px 0 12px;padding:8px;border:1px solid var(--line);border-radius:8px;background:white;color:inherit;font:inherit}.paint-settings input{width:100%;min-height:44px;accent-color:#8ccbbb}.paint-settings select:focus-visible{outline:3px solid #44ae88;outline-offset:3px}
.release-note{margin:16px 0;padding:14px;border:1px solid #608575;border-radius:10px;background:#23362f;line-height:1.7}.release-note p{margin:8px 0}.release-note a{color:#b3f0d0;text-decoration:underline;text-underline-offset:3px}