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input{--range-value:100%;-webkit-appearance:none;appearance:none;background:linear-gradient(to right,#222 0 var(--range-value),#ddd var(--range-value) 100%);cursor:pointer;border-radius:2px;width:100%;height:4px}.layer-opacity input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:#222;border:2px solid #fff;border-radius:50%;width:15px;height:15px;box-shadow:0 0 0 1px #888}.layer-opacity.disabled{opacity:.4}.history-strip{border-top:1px solid #e1e1de;padding-top:15px}.history-strip-title{justify-content:space-between;align-items:center;margin-bottom:10px;font-size:12px;display:flex}.history-strip-title small{color:#999;font-size:10px}.history-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.history-card{background:0 0;border:1px solid #0000;border-radius:7px;min-width:0;padding:4px;position:relative}.history-card.selected{background:#fff;border-color:#252525}.history-select{text-align:left;cursor:pointer;background:0 0;border:0;width:100%;padding:0}.history-thumb{background:#e9e9e6;border-radius:4px;place-items:center;height:76px;display:grid;overflow:hidden}.history-thumb canvas{width:auto;max-width:100%;height:auto;max-height:100%}.history-select>span:last-child{color:#555;white-space:nowrap;text-overflow:ellipsis;padding:7px 26px 2px 2px;font-size:11px;display:block;overflow:hidden}.history-download{color:#777;cursor:pointer;background:0 0;border:0;border-radius:5px;place-items:center;width:25px;height:25px;display:grid;position:absolute;bottom:4px;right:6px}.history-download:hover{color:#181818;background:#efefec}.error-message{color:#9b3c32;text-align:center;max-width:660px;margin:16px auto 0;font-size:12px}.error-message.inline{text-align:left;background:#fff8f6;border:1px solid #ead5d0;border-radius:6px;margin:18px 0 0;padding:10px}.mobile-tool-dock,.mobile-tool-sheet,.mobile-first-hint,.mobile-error-toast{display:none}.spin{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:1180px){.workspace{grid-template-columns:1fr}.preview-column{min-height:620px;padding:24px 28px 20px}.preview-stage{min-height:440px}.image-frame canvas{max-height:min(560px,100dvh - 210px)}.controls{border-left:0;border-top:1px solid var(--line);padding:30px 28px max(48px,env(safe-area-inset-bottom));overflow:visible}.controls>*{max-width:720px;margin-left:auto;margin-right:auto}}@media (max-width:700px){.toolbar{height:auto;min-height:calc(52px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(10px,env(safe-area-inset-right)) 0 max(12px,env(safe-area-inset-left));gap:8px;position:sticky;top:0}.brand{font-size:13px}.brand-dot{width:12px;height:12px}.toolbar-actions{gap:6px}.icon-action{gap:5px;min-width:0;padding:0 8px;font-size:12px}.download-button{width:44px;padding:0}.download-button span{display:none}.workspace{min-height:calc(100vh - 52px);min-height:calc(100dvh - 52px - env(safe-area-inset-top))}.preview-column{min-height:0;padding:14px max(12px,env(safe-area-inset-right)) 18px max(12px,env(safe-area-inset-left));gap:14px}.preview-stage{min-height:min(430px,100dvh - 90px)}.image-frame{min-height:300px}.image-frame canvas{max-height:min(58dvh,480px)}.preview-meta{grid-template-columns:minmax(0,1fr) auto;gap:8px}.preview-meta>span:nth-child(2){display:none}.compare-button{padding:0 12px}.history-strip{overflow:hidden}.history-grid{overscroll-behavior-x:contain;scroll-snap-type:x mandatory;padding:0 max(12px,env(safe-area-inset-right)) 8px 0;scrollbar-width:none;gap:9px;display:flex;overflow-x:auto}.history-grid::-webkit-scrollbar{display:none}.history-card{scroll-snap-align:start;flex:0 0 min(76vw,270px)}.history-thumb{height:92px}.history-select>span:last-child{font-size:11px}.controls{padding:26px max(18px,env(safe-area-inset-right)) max(44px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left))}.control-heading h1{font-size:20px}.field-group{padding:18px 0}.field-group>label,.current-palette>label,.sidebar-history>label,.field-label-row label{font-size:13px}.field-help{font-size:11px}.adaptive-range-panel{padding:15px 14px 14px}.adaptive-range-heading>label{font-size:12px}.adaptive-boundary-control{font-size:11px}.adaptive-range-panel>p{font-size:10px}.segment button,.primary-action,.blend-picker-trigger{min-height:44px}.drop-zone{width:calc(100vw - 28px - env(safe-area-inset-left) - env(safe-area-inset-right));height:min(520px,100dvh - 92px);min-height:260px}.drop-zone strong{font-size:18px}.drop-zone span{font-size:14px}.palette-editor-layer{background:#1414142e;align-items:flex-end;inset:0}.palette-editor-panel{width:100%;max-width:100%;height:auto;max-height:88vh;border:1px solid #d8d8d3;border-bottom:0;border-radius:12px 12px 0 0;max-height:min(88dvh,760px);box-shadow:0 -8px 24px #00000014}.palette-editor-resizer{display:none}.palette-editor-header{min-height:68px;padding:15px 16px 13px}.palette-editor-header h2{font-size:18px}.palette-editor-body{padding:0 16px 20px}.palette-editor-section{padding:18px 0}.palette-editor-gradient{height:72px;margin:0 16px}.palette-editor-nodes{height:58px;margin:-13px 16px 0}.palette-editor-nodes button{width:44px;height:56px}.palette-editor-nodes button i{width:30px;height:30px}.palette-editor-footer{padding:10px 16px max(12px,env(safe-area-inset-bottom))}}@media (max-width:700px) and (orientation:landscape) and (max-height:600px){.preview-stage{min-height:calc(100dvh - 76px)}.image-frame{min-height:220px}.image-frame canvas{max-height:calc(100dvh - 150px)}.drop-zone{height:calc(100dvh - 76px);min-height:220px}}@media (max-width:360px){.render-mode-segment{grid-template-columns:1fr;gap:2px}}@media (max-width:768px){html,body{height:100%;min-height:100%;overflow:hidden}.app-shell{height:100vh;height:100dvh;min-height:0;overflow:hidden}.toolbar{height:54px;min-height:calc(54px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(8px,env(safe-area-inset-right)) 0 max(12px,env(safe-area-inset-left));position:relative}.toolbar .download-button{display:none}.toolbar .icon-action{min-height:44px}.empty-workspace{height:calc(100vh - 54px - env(safe-area-inset-top));height:calc(100dvh - 54px - env(safe-area-inset-top));min-height:0;padding-right:max(72px,calc(env(safe-area-inset-right) + 64px))}.drop-zone{width:100%;height:min(480px,100dvh - 92px);min-height:240px}.workspace{height:calc(100vh - 54px - env(safe-area-inset-top));height:calc(100dvh - 54px - env(safe-area-inset-top));min-height:0;display:block;overflow:hidden}.preview-column{height:100%;min-height:0;padding:8px max(68px,calc(env(safe-area-inset-right) + 62px)) max(8px,env(safe-area-inset-bottom)) max(9px,env(safe-area-inset-left));gap:8px;overflow:hidden}.preview-stage{flex:0 0 clamp(250px,50dvh,440px);height:auto;min-height:0}.image-frame{min-height:0}.image-frame canvas{max-width:100%;max-height:100%}.preview-meta{grid-template-columns:minmax(0,1fr);height:34px;min-height:34px;padding-top:6px;font-size:10px}.preview-meta>span:nth-child(2),.preview-meta .compare-button{display:none}.history-strip{flex:1;min-height:0;padding-top:8px;overflow:hidden}.history-strip-title{margin-bottom:6px;font-size:10px}.history-strip-title small{font-size:8px}.history-grid{scrollbar-width:none;gap:7px;height:calc(100% - 24px);padding:0 0 4px;display:flex;overflow:auto hidden}.history-grid::-webkit-scrollbar{display:none}.history-card{flex:0 0 min(60vw,205px);height:100%;padding:3px}.history-select{flex-direction:column;height:100%;display:flex}.history-thumb{flex:1;height:auto;min-height:50px}.history-select>span:last-child{padding:4px 28px 1px 2px;font-size:9px}.controls{display:none!important}.mobile-tool-dock{z-index:90;top:calc(58px + env(safe-area-inset-top));right:max(5px,env(safe-area-inset-right));width:58px;max-height:calc(100dvh - 66px - env(safe-area-inset-top) - env(safe-area-inset-bottom));overscroll-behavior:contain;scrollbar-width:none;flex-direction:column;gap:3px;display:flex;position:fixed;overflow-y:auto}.mobile-tool-dock::-webkit-scrollbar{display:none}.mobile-tool-dock button{color:#555;cursor:pointer;touch-action:manipulation;background:#fffffff0;border:1px solid #d8d8d4;border-radius:9px;flex-direction:column;flex:none;justify-content:center;align-items:center;gap:2px;width:58px;min-height:44px;padding:4px 2px;display:flex;box-shadow:0 1px 4px #0000000a}.mobile-tool-dock button span{text-align:center;white-space:nowrap;max-width:54px;font-size:8px;line-height:1.15}.mobile-tool-dock button.active{color:#fff;background:#252525;border-color:#252525}.mobile-tool-dock .mobile-generate{color:#fff;background:#202020;border-color:#202020;min-height:54px}.mobile-tool-dock .mobile-generate span{font-size:9px;font-weight:600}.mobile-tool-dock button:disabled{color:#aaa;background:#f5f5f2f0}.mobile-tool-sheet{--mobile-sheet-height:40dvh;z-index:75;height:var(--mobile-sheet-height);background:#fffffffa;border:1px solid #d8d8d4;border-bottom:0;border-radius:12px 12px 0 0;flex-direction:column;min-height:30px;transition:height .22s;display:flex;position:fixed;bottom:0;left:0;right:0;overflow:hidden;box-shadow:0 -6px 20px #00000012}.mobile-tool-sheet.dragging{-webkit-user-select:none;user-select:none;transition:none}.mobile-sheet-handle{cursor:ns-resize;touch-action:none;background:0 0;border:0;place-items:center;width:100%;height:26px;min-height:26px;padding:0;display:grid}.mobile-sheet-handle i{background:#c5c5c0;border-radius:3px;width:38px;height:4px}.mobile-sheet-header{height:46px;min-height:46px;padding:0 max(72px,calc(env(safe-area-inset-right) + 66px)) 0 14px;border-bottom:1px solid #ecece8;justify-content:space-between;align-items:center;gap:12px;display:flex}.mobile-sheet-header strong{font-size:14px;font-weight:650}.mobile-sheet-header button{cursor:pointer;background:0 0;border:0;border-radius:7px;place-items:center;width:44px;height:44px;display:grid}.mobile-sheet-body{min-height:0;padding:10px max(72px,calc(env(safe-area-inset-right) + 66px)) max(14px,env(safe-area-inset-bottom)) 14px;overscroll-behavior:contain;flex:1;overflow:hidden auto}.mobile-tool-sheet.collapsed .mobile-sheet-header,.mobile-tool-sheet.collapsed .mobile-sheet-body{display:none}.mobile-panel-section{padding:4px 0 18px}.mobile-panel-section .field-label-row label{font-size:12px}.mobile-render-modes{grid-template-columns:1fr;gap:3px;padding:4px}.mobile-render-modes button{min-height:42px;font-size:12px}.mobile-range-panel .levels-slider{margin-top:6px}.mobile-range-panel .adaptive-range-panel{margin-top:16px}.mobile-reset-button{cursor:pointer;background:#fff;border:1px solid #d7d7d2;border-radius:7px;justify-content:center;align-items:center;gap:7px;width:100%;min-height:42px;margin-top:15px;font-size:11px;display:flex}.mobile-blend-panel .blend-picker-trigger{min-height:44px}.mobile-blend-panel .layer-opacity{margin-top:16px}.mobile-blend-panel .layer-opacity>div{font-size:11px}.palette-editor-embedded{width:100%;max-width:none;height:100%;box-shadow:none;background:#fff;border:0;animation:none}.mobile-tool-palette .mobile-sheet-body{padding:0 max(62px,calc(env(safe-area-inset-right) + 58px)) 0 0;overflow:hidden}.palette-editor-embedded .palette-editor-header{display:none}.palette-editor-embedded .palette-editor-body{padding:0 12px 10px}.palette-editor-embedded .palette-editor-section{padding:14px 0}.palette-editor-embedded .palette-editor-gradient{height:58px;margin:0 13px}.palette-editor-embedded .palette-editor-nodes{height:51px;margin:-12px 13px 0}.palette-editor-embedded .palette-editor-nodes button{width:44px;height:52px}.palette-editor-embedded .palette-editor-nodes button i{width:28px;height:28px}.palette-editor-embedded .palette-editor-footer{padding:8px 12px max(10px,env(safe-area-inset-bottom))}.palette-editor-embedded .palette-editor-notice{min-height:18px;margin:0}.palette-editor-embedded .palette-color-row>input[type=color],.palette-editor-embedded .palette-color-row>label input,.palette-editor-embedded .palette-stop-actions button,.palette-editor-embedded .palette-editor-footer button{min-height:44px}.mobile-first-hint,.mobile-error-toast{z-index:110;right:max(72px,calc(env(safe-area-inset-right) + 66px));bottom:max(18px,calc(env(safe-area-inset-bottom) + 12px));left:max(12px,env(safe-area-inset-left));background:#fffffff7;border:1px solid #d9d9d4;border-radius:8px;padding:10px 12px;font-size:11px;line-height:1.5;display:block;position:fixed;box-shadow:0 5px 18px #00000014}.mobile-error-toast{color:#9b3c32;border-color:#ead5d0}}@media (pointer:coarse){.icon-action,.download-button,.primary-action,.compare-button,.segment button,.blend-picker-trigger{min-height:44px}.history-download{width:40px;height:40px;bottom:0;right:2px}.blend-picker-menu button{min-height:40px}.levels-slider{background:linear-gradient(90deg,#262624 0%,#aaa 50%,#fff 100%) 50%/100% 8px no-repeat;border:0;height:30px}.layer-opacity input{background:linear-gradient(to right,#222 0 var(--range-value),#ddd var(--range-value) 100%) center/100% 4px no-repeat;height:28px}.adaptive-boundary-control input{background:linear-gradient(to right,#262624 0 var(--range-value),#d9d9d5 var(--range-value) 100%) center/100% 4px no-repeat;height:28px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}