*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;font-family:Arial,'Noto Sans',sans-serif;color:#20242d;background:#f6f7f8}button{font:inherit;color:inherit;border:0;cursor:pointer;touch-action:manipulation}button:focus-visible{outline:3px solid #2347e7;outline-offset:2px}button:disabled{opacity:.28;cursor:default}.app{height:100dvh;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top)}header{height:76px;flex-shrink:0;display:flex;align-items:center;padding:0 28px;gap:24px;border-bottom:1px solid #dfe2e7;background:#fff}.brand{display:flex;gap:10px;align-items:center}.brand svg{width:32px;fill:none;stroke:#2347e7;stroke-width:1.5}.brand b{font-size:20px;letter-spacing:2px}.brand b span{font-size:10px;letter-spacing:3px;display:block;margin-top:3px}.title{flex:1;font-size:14px;color:#58606f}.title span{font-size:12px;margin-left:12px;background:#f0f2f6;padding:5px 7px;border-radius:4px}header button{width:40px;height:40px;border:1px solid #dfe2e7;border-radius:50%;background:#fff}.workspace{flex:1;min-height:0;position:relative;overflow:hidden;background:#e9ecf0}#canvas{width:100%;height:100%;display:block;touch-action:none;user-select:none}.canvas-label{position:absolute;top:22px;left:26px;color:#535e70;font-size:11px;letter-spacing:2px;pointer-events:none;background:#ffffffe8;padding:9px 12px;border:1px solid #e5e8ed;border-radius:4px}.hint{position:absolute;top:22px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:14px;background:#fff;padding:10px 15px 10px 10px;border-radius:10px;box-shadow:0 3px 16px #202d4010;pointer-events:none}.hint span{background:#edf0ff;color:#2347e7;padding:6px;border-radius:5px;font-size:12px;font-weight:bold}.view-controls{position:absolute;bottom:20px;right:24px;display:flex;align-items:center;background:#fff;box-shadow:0 3px 18px #202d4015;border-radius:10px;padding:4px}.view-controls button{min-width:42px;height:40px;background:none;border-radius:6px}.view-controls button:hover{background:#f0f2f6}.view-controls output{width:55px;text-align:center;font-size:13px}.view-controls i{height:20px;width:1px;background:#e2e5eb}.view-controls #fit{font-size:13px;padding:0 12px}footer{background:white;border-top:1px solid #dfe2e7;padding:12px 24px max(12px,env(safe-area-inset-bottom));flex-shrink:0}.status{display:flex;justify-content:space-between;font-size:12px;color:#717b8c;max-width:700px;margin:0 auto 12px}.status>span:first-child{display:flex;align-items:center;gap:7px}.status i{width:5px;height:5px;background:#2347e7;border-radius:50%}.toolbar{display:flex;align-items:center;gap:8px;max-width:700px;margin:auto}.toolbar button{height:56px;border-radius:9px;font-size:13px;background:white}.toolbar button span{display:block;font-size:23px;line-height:25px}.history{display:flex;border-right:1px solid #e4e7ec;padding-right:16px;margin-right:8px;gap:4px}.history button{width:64px}.tool{width:72px}.toolbar .active{background:#edf0ff;color:#2347e7}.toolbar .anchor{margin-left:auto;background:#2347e7;color:white;padding:0 24px;font-size:14px;height:46px}.gesture{text-align:center;color:#86909f;font-size:12px;margin:12px 0 0}.gesture span{padding:0 8px}dialog{border:0;border-radius:20px;padding:0;max-width:480px;width:calc(100% - 24px);max-height:90dvh;box-shadow:0 20px 80px #12203933}dialog::backdrop{background:#17243e55;backdrop-filter:blur(3px)}.sheet{padding:24px}.sheet-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:2px;color:#69778e}.sheet-top button{background:#f0f2f6;border-radius:50%;width:36px;height:36px;font-size:22px}h1{font-size:26px;margin:16px 0 24px}ol{padding-left:24px}li{padding-left:6px;margin:20px 0}li::marker{color:#2347e7;font-weight:bold}li b{font-size:15px}li p,.note{font-size:14px;line-height:1.8;color:#616e80;margin:6px 0}.note{background:#f4f6fa;padding:14px;border-radius:8px}.prototype{font-size:12px;color:#7a8391;line-height:1.7}#start{width:100%;background:#2347e7;color:white;padding:15px;border-radius:8px;font-size:15px}@media(max-width:600px){header{height:60px;padding:0 16px;gap:16px}.brand b{font-size:16px}.brand svg{width:26px}.brand b span{font-size:8px}.title{font-size:13px}.title span{display:none}header button{width:34px;height:34px}.canvas-label{display:none}.hint{top:14px;max-width:calc(100% - 24px);font-size:13px;padding:8px}.view-controls{bottom:14px;right:14px}footer{padding:10px 12px max(12px,env(safe-area-inset-bottom))}.toolbar{gap:4px}.history{padding-right:6px;margin-right:0;gap:0}.history button{width:45px;font-size:11px}.tool{width:47px}.toolbar .anchor{padding:0 12px;font-size:13px}.gesture{font-size:10px;margin-top:10px}.status{margin-bottom:7px}.sheet{padding:20px}dialog{margin:auto auto 0;border-radius:20px 20px 0 0;width:100%;max-width:600px}}@media(max-height:550px){header{height:46px}footer{padding-top:6px;padding-bottom:6px}.gesture,.status{display:none}.toolbar button{height:44px}.hint{top:8px}}
.shape-controls{display:flex;gap:28px;max-width:700px;margin:0 auto 12px;padding-bottom:10px;border-bottom:1px solid #e9ecf1}.shape-controls label{flex:1;font-size:13px;color:#5b687b;display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px}.shape-controls output{font-variant-numeric:tabular-nums;font-size:12px;color:#2347e7}.shape-controls input{grid-column:1/-1;width:100%;height:26px;margin:0;accent-color:#2347e7;cursor:pointer;touch-action:pan-x}.fixed-label{display:flex;align-items:center;gap:5px;cursor:pointer;color:#4c5970}.fixed-label input{accent-color:#2347e7;width:16px;height:16px;margin:0}.status{align-items:center;gap:8px}.view-controls{bottom:14px}#grid{opacity:.65}@media(max-width:600px){.shape-controls{gap:20px;margin-bottom:8px;padding-bottom:6px}.shape-controls label{font-size:12px}.shape-controls input{height:24px}.status{font-size:11px}.fixed-label{font-size:11px}.toolbar .anchor{font-size:12px;padding:0 10px}.gesture{font-size:10px}}@media(max-height:550px){.shape-controls{max-width:700px;padding-bottom:0;margin-bottom:2px}.shape-controls input{height:18px}.status{display:flex;margin:3px auto}.gesture{display:none}}
.toolbar{justify-content:center}.history{flex:1;justify-content:center}.tool{flex:1;max-width:120px}.title span{white-space:nowrap}@media(max-width:600px){.title span{display:inline;font-size:10px;margin-left:4px;padding:3px}.title{font-size:12px}.brand{gap:6px}.brand b{font-size:14px}header{gap:10px}.hint{font-size:12px}.gesture{font-size:10px}.history button{width:58px}.tool{max-width:90px}}
.workspace{background:#fff}.toolbar .reset{font-size:12px;color:#a23737;padding:0 12px;background:#fff4f3;height:44px;white-space:nowrap}.view-controls button{font-size:13px}.view-controls{right:14px}.view-controls #origin{padding:0 12px}.view-controls #fit{padding:0 10px}@media(max-width:600px){.view-controls button{min-width:35px}.view-controls output{width:44px}.view-controls #origin,.view-controls #fit{padding:0 8px;font-size:12px}.toolbar .reset{padding:0 8px;font-size:11px}.history button{width:45px}.tool{max-width:65px}}
.export-control{display:flex;align-items:stretch;border-radius:12px;background:#1e1e20;color:white;height:42px;flex-shrink:0;overflow:hidden}.export-control #download{width:auto;min-width:145px;border:0;background:none;color:white;border-radius:0;height:42px;padding:0 18px;font-size:15px}.format-arrow{position:relative;width:42px;border-left:1px solid #555;display:grid;place-items:center;font-size:24px;line-height:1}.format-arrow select{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.format-arrow:focus-within{outline:2px solid #95adff;outline-offset:-3px}#export-status{position:absolute;bottom:72px;right:16px;background:#fff;font-size:12px;color:#52617a;border-radius:6px;padding:4px 8px;pointer-events:none}#export-status:empty{display:none}@media(max-width:600px){header{gap:10px}.title{display:none}.brand{margin-right:auto}.export-control{height:38px;border-radius:10px}.export-control #download{height:38px;min-width:125px;padding:0 10px;font-size:13px}.format-arrow{width:34px}.canvas-label{display:none}}@media(max-width:350px){.brand b{display:none}.export-control #download{min-width:115px}}

/* Compact editor with reserved advertisement areas. */
.app{position:relative;padding-right:200px}header{height:64px;padding:0 18px;gap:16px}.editor-ad{position:absolute;right:16px;top:90px;width:168px;height:500px;max-height:calc(100dvh - 120px)}.ad-slot{background:#f1f3f6;border:1px solid #dfe3e9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#788394;flex-shrink:0;pointer-events:none}.ad-slot span{font-size:12px}.ad-slot small{font-size:12px;text-align:center}.status,.hint,.canvas-label,.gesture{display:none}footer{padding:8px 16px max(8px,env(safe-area-inset-bottom))}.toolbar{max-width:600px}.toolbar button{font-size:14px;height:48px}.toolbar .history button{width:72px;font-size:14px}.toolbar #adjust{min-width:72px;background:#f0f3fa}.toolbar .reset{margin-left:20px;font-size:14px}.adjust-panel{position:absolute;bottom:78px;left:50%;transform:translateX(-50%);width:min(400px,calc(100% - 24px));background:white;border:1px solid #dfe3eb;border-radius:16px;padding:18px;box-shadow:0 8px 36px #17243e26;z-index:3;max-height:calc(100dvh - 190px);overflow:auto}.adjust-panel[hidden]{display:none}.adjust-panel .sheet-top{margin-bottom:14px}.shape-controls{gap:18px;margin-bottom:12px}.shape-controls label,.shape-controls output{font-size:14px}.shape-controls input{height:32px}.mode-controls{display:flex;gap:10px;margin-bottom:12px}.mode-controls button{height:40px;flex:1;border-radius:8px;background:#f2f4f8}.mode-controls .active{background:#e8eeff;color:#2347e7}.adjust-panel .view-controls{position:static;box-shadow:none;justify-content:center;flex-wrap:wrap;padding:0;gap:4px}.adjust-panel .view-controls button{font-size:14px}.adjust-panel .view-controls output{font-size:14px}#export-dialog{max-width:640px}#export-preview{height:200px;margin:20px 0 10px;background-color:#fff;background-image:conic-gradient(#f0f1f4 25%,transparent 0 50%,#f0f1f4 0 75%,transparent 0);background-size:20px 20px;border:1px solid #e3e6ec;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:12px}#export-preview svg{max-width:100%;max-height:100%;width:100%;height:100%}#export-details{font-size:14px;color:#616e80}.export-ad{height:100px;margin:24px 0 32px}.export-actions{display:grid;grid-template-columns:1fr 2fr;gap:14px;align-items:center}.export-actions label,.export-actions select{font-size:16px}.export-actions select{padding:10px;max-width:100%;border:1px solid #d3d9e3;border-radius:8px;background:white}#export-save{grid-column:1/-1;border-radius:9px;padding:14px;background:#2347e7;color:#fff;font-size:16px}#save-status{grid-column:1/-1;font-size:14px;margin:0;color:#516078}#export-status{bottom:14px}#adjust[aria-expanded="true"]{color:#2347e7;background:#e8eeff}
@media(max-width:900px){.app{padding-right:0}.editor-ad{position:static;order:-1;align-self:center;width:calc(100% - 24px);height:66px;max-height:none;margin:4px 12px 12px;gap:3px}header{height:54px;padding:0 12px}.adjust-panel{bottom:calc(72px + env(safe-area-inset-bottom));max-height:calc(100dvh - 220px)}.toolbar .history button{width:54px}.toolbar .reset{margin-left:10px;padding:0 10px}.toolbar #adjust{min-width:60px}.toolbar{gap:6px}.history{padding-right:6px;margin-right:0}.export-ad{height:90px}#export-preview{height:170px}}
@media(max-height:600px){.editor-ad{height:54px;margin-bottom:6px}.adjust-panel{max-height:calc(100dvh - 150px)}#export-preview{height:120px}}

#save-help{grid-column:1/-1;font-size:14px;line-height:1.6;color:#616e80;margin:0}#file-save{grid-column:1/-1;background:#edf0f6;border-radius:8px;padding:12px;font-size:14px}.export-control #download{min-width:130px}.export-control{overflow:visible}.export-control #download{border-radius:12px}

.mode-controls button{height:52px;font-size:14px}.mode-controls button span{display:block;font-size:21px;line-height:24px}

/* Grid direction, not viewport aspect ratio. Kept inside the canvas, away from ads. */
#grid-orientation{position:absolute;z-index:2;top:14px;left:14px;min-height:44px;padding:10px 14px;border:1px solid #dce2ec;border-radius:10px;background:#fffffff2;color:#2347e7;box-shadow:0 3px 12px #17243e0d;font-size:14px}
#grid-orientation[aria-pressed="true"]{background:#edf2ff;border-color:#a9bbf6}
@media(max-width:600px){#grid-orientation{top:10px;left:10px}}

/* Language controls stay within the existing header height. */
.language-switch{display:flex;flex-shrink:0;gap:2px;align-items:center}
.language-switch button{width:auto;min-width:36px;padding:0 7px;height:36px;border-radius:7px;font-size:12px;white-space:nowrap}
.language-switch button[aria-pressed="true"]{background:#edf0ff;border-color:#a9bbf6;color:#2347e7}
header .title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.export-actions{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}
.export-actions select{width:100%;min-width:0}
.sheet p,.sheet .note{overflow-wrap:anywhere}
@media(max-width:900px){
 header{gap:8px}
 header .title{display:none}
 header .brand{margin-right:auto}
 .export-control #download{min-width:0;padding:0 12px}
}
@media(max-width:600px){
 header{gap:6px;padding:0 8px}
 .brand{gap:4px}.brand b{font-size:12px;letter-spacing:1px}.brand svg{width:22px}
 .brand b span{font-size:7px;letter-spacing:2px}
 .language-switch button{padding:0 5px;min-width:30px;font-size:11px}
 .export-control #download{font-size:12px;padding:0 9px}
 #help{flex-shrink:0;width:30px;height:32px}
 .mode-controls button{min-width:0}
 .export-actions{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:350px){.brand b{display:none}.toolbar .reset{margin-left:4px}.toolbar .history button{width:48px}}

.title [data-default-title]{font:inherit;margin:0;padding:0;background:none;border-radius:0}

/* Export-only palette; editor canvas layout is unchanged. */
.export-colors{margin:0 0 24px;padding:14px;border:1px solid #dfe3eb;border-radius:10px;min-width:0}
.export-colors legend{font-size:14px;padding:0 6px;color:#516078}
.export-color-row{display:grid;grid-template-columns:minmax(0,1fr) 42px 100px;align-items:center;gap:8px;margin:8px 0}
.export-color-row label{font-size:14px;overflow-wrap:anywhere}
.export-color-row input[type=color]{width:42px;height:40px;padding:2px;background:white;border:1px solid #d3d9e3;border-radius:6px;cursor:pointer}
.export-color-row input[type=text]{width:100%;min-width:0;height:40px;border:1px solid #d3d9e3;border-radius:6px;padding:6px;font:16px monospace}
.export-color-row input[aria-invalid=true]{border-color:#b63636;outline:1px solid #b63636}
.transparency-control{display:flex;align-items:center;gap:8px;font-size:14px;line-height:1.5;margin-top:12px}
.transparency-control input{width:18px;height:18px;accent-color:#2347e7;flex-shrink:0}
#color-help,#jpg-background-note{font-size:12px;line-height:1.6;color:#616e80;margin:8px 0 0}
.export-colors:disabled{opacity:.6}