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minmax(260px,.8fr);align-items:start;display:grid}.how-section{gap:32px}}@media (width<=640px){html,body,#root{width:100%;max-width:100%;overflow-x:hidden}.tool-header{height:56px;padding:0 12px}.tool-header .brand-mark{letter-spacing:.09em;gap:8px;font-size:10px}.tool-header .brand-dot{width:10px;height:10px}.header-actions{gap:5px}.header-controls{min-width:96px;padding:6px 8px!important;font-size:10px!important;display:inline-flex!important}.header-export{min-width:84px;padding:6px 10px!important;font-size:11px!important}.mobile-sidebar-backdrop{z-index:20;opacity:0;pointer-events:none;background:#272d3340;transition:opacity .2s;display:block;position:fixed;inset:0}.mobile-sidebar-backdrop.is-visible{opacity:1;pointer-events:auto}.mobile-controls{z-index:21;background:#f7f8fa;flex-direction:column;width:min(340px,100vw - 28px);transition:transform .24s;display:flex;position:fixed;inset:0 auto 0 0;transform:translate(-105%);box-shadow:16px 0 38px #272d3326}.mobile-controls.is-open{transform:translate(0)}.mobile-controls-header{color:#363b40;background:#fff;border-bottom:1px solid #e5e7e9;justify-content:space-between;align-items:center;min-height:58px;padding:0 17px;font-size:14px;display:flex}.mobile-controls-header button{color:#727981;cursor:pointer;background:#f3f4f4;border:0;border-radius:50%;width:32px;height:32px;font-size:24px;line-height:1}.mobile-controls-body{flex:1;padding:12px;overflow-y:auto}.mobile-controls-body .surface-panel{width:100%}.tool-layout{flex-direction:column;gap:10px;width:100%;padding:10px 8px 24px;display:flex}.control-sidebar{order:2;gap:10px;width:100%;display:none}.board-workspace{border-radius:12px;order:1;width:100%;padding:12px 10px 14px}.board-toolbar{align-items:center;min-height:34px;padding-bottom:12px}.board-toolbar .section-kicker{letter-spacing:.1em;font-size:9px}.board-toolbar h1{margin-top:5px;font-size:17px}.board-toolbar-actions{gap:6px}.zoom-controls button{width:27px;height:27px}.zoom-controls .zoom-value{width:43px}.reset-button{min-width:0!important;padding:5px 0!important;font-size:11px!important}.board-viewport{border-radius:8px;width:100%;min-height:clamp(330px,86vw,430px)}.board-viewport.has-board{cursor:grab;min-height:clamp(330px,86vw,430px);padding:12px;overflow:hidden}.board-viewport.has-board:active{cursor:grabbing}.empty-board-copy{gap:8px;max-width:220px;padding:20px}.empty-board-copy strong{font-size:13px}.empty-board-copy span{font-size:11px;line-height:1.5}.board-statusbar{flex-direction:column;align-items:flex-start;gap:8px;padding:12px 1px 0}.board-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;width:100%;display:grid}.board-stats span{color:#a0a4a8;flex-direction:column;gap:2px;min-width:0;font-size:10px;display:flex}.board-stats strong{font-size:12px}.board-hint{color:#a6abb0;font-size:10px;line-height:1.45;display:block}.usage-section{margin-top:17px;padding-top:16px}.usage-grid{grid-template-columns:1fr;gap:0;margin-top:0}.usage-item{grid-template-columns:22px 18px minmax(0,1fr) auto;grid-template-areas:"index swatch name replace""index swatch bar count";gap:6px 7px;padding:11px 0}.usage-index{grid-area:index;align-self:start;padding-top:3px}.usage-swatch{grid-area:swatch;align-self:start;margin-top:2px}.usage-color-name{grid-area:name;min-width:0}.usage-bar{grid-area:bar;align-self:center;width:100%}.usage-count{grid-area:count;align-self:center;font-size:11px}.usage-replace-button{grid-area:replace;height:29px;min-width:58px!important;padding:4px 6px!important}.usage-empty{margin-top:10px;padding:14px 10px;font-size:11px}.upload-panel{border-radius:12px;width:100%;padding:10px}.upload-zone{border-radius:9px;min-height:174px;margin-top:0;padding:16px 12px}.upload-icon-wrap{width:44px;height:44px;margin-bottom:11px}.upload-zone strong{font-size:13px}.upload-zone>span{max-width:230px;margin-top:6px;font-size:11px}.upload-zone .upload-button{min-width:112px;margin-top:13px;padding:6px 12px;font-size:12px}.upload-progress{width:125px;margin-top:13px}.settings-panel{border-radius:12px;width:100%}.settings-toggle{padding:15px 16px;font-size:12px}.settings-content{padding:0 16px 17px}.setting-row{padding-top:15px}.setting-label{font-size:12px}.setting-row p{font-size:10px}.setting-switches{gap:0 8px}.settings-content .MuiFormControlLabel-label{font-size:11px}.mirror-row{gap:7px;margin-top:10px;padding-top:12px}.mirror-label{font-size:11px}.mirror-row .MuiButton-root{min-width:40px;padding:5px 8px;font-size:10px}.color-dialog .MuiDialog-paper{border-radius:13px;width:calc(100% - 20px);max-width:none;max-height:calc(100% - 20px);margin:10px}.color-dialog .MuiDialogTitle-root{padding:17px 16px 9px;font-size:16px}.color-dialog .MuiDialogTitle-root small{font-size:10px;line-height:1.45}.color-dialog .MuiDialogContent-root{padding:0 16px 16px}.dialog-search{margin:6px 0 12px}.dialog-search .MuiOutlinedInput-root{font-size:11px}.palette-dialog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-height:58vh}.palette-dialog-option{border-radius:7px;gap:7px;min-height:45px;padding:7px 6px}.palette-dialog-option>i{width:20px;height:20px}.palette-dialog-option strong{font-size:10px}.palette-dialog-option small{font-size:9px}.minimal-footer{padding:0 12px 20px;font-size:9px}}@media (width<=480px){.tool-header .brand-mark span:last-child{text-overflow:ellipsis;white-space:nowrap;max-width:124px;overflow:hidden}.board-workspace{padding-inline:8px}.board-viewport,.board-viewport.has-board{min-height:clamp(300px,82vw,365px);padding:9px}.board-stats{gap:3px}.board-stats strong{font-size:11px}.board-hint{font-size:9px}.usage-item{column-gap:6px}.usage-color-name strong{font-size:10px}.usage-color-name small,.usage-count small{font-size:8px}.usage-replace-button{min-width:54px!important;padding-inline:5px!important}.settings-toggle,.settings-content{padding-inline:14px}.setting-switches{grid-template-columns:1fr 1fr;display:grid}.setting-switches .MuiFormControlLabel-root{min-width:0}.setting-switches .MuiFormControlLabel-label{white-space:nowrap}.mirror-label{margin-right:auto}}@media (width<=380px){.tool-header{padding-inline:10px}.header-controls{min-width:88px;padding-inline:6px!important;font-size:9px!important}.header-export{min-width:78px;padding-inline:8px!important;font-size:10px!important}.tool-layout{padding-inline:6px}.board-workspace{padding-inline:7px}.board-toolbar h1{font-size:16px}.board-viewport,.board-viewport.has-board{min-height:285px;padding:7px}.board-stats span{font-size:9px}.board-stats strong{font-size:10px}.usage-item{grid-template-columns:19px 16px minmax(0,1fr) auto;column-gap:5px}.usage-swatch{width:14px;height:14px}.usage-replace-button{min-width:51px!important;font-size:9px!important}.upload-zone{min-height:164px}.settings-toggle,.settings-content{padding-inline:12px}.color-dialog .MuiDialog-paper{width:calc(100% - 12px);margin:6px}.color-dialog .MuiDialogTitle-root,.color-dialog .MuiDialogContent-root{padding-inline:12px}.palette-dialog-option{gap:5px;padding-inline:5px}.palette-dialog-option>i{width:18px;height:18px}}@media (width<=540px){.tool-header{padding-inline:clamp(9px,3vw,14px)}.tool-layout{padding-inline:clamp(7px,2.5vw,10px)}.board-workspace{padding-inline:clamp(8px,2.8vw,12px)}.board-viewport.has-board{padding:clamp(9px,3vw,14px)}.mobile-controls{width:min(336px,100vw - 20px)}.mobile-controls-body{padding:clamp(9px,2.8vw,13px)}.mobile-controls .upload-panel{padding:clamp(9px,2.8vw,12px)}.mobile-controls .settings-content{padding-inline:clamp(13px,3.4vw,17px)}}@media (width<=430px){.tool-header{height:54px}.tool-header .brand-mark{gap:7px;font-size:9px}.tool-header .brand-dot{width:9px;height:9px;box-shadow:0 0 0 3px #e65f5521}.header-actions{gap:4px}.header-controls{min-width:91px;padding-inline:7px!important}.header-export{min-width:80px;padding-inline:8px!important}.board-toolbar{gap:7px}.board-toolbar-actions{gap:5px}.zoom-controls button{width:25px;height:26px}.zoom-controls .zoom-value{width:40px}.board-viewport,.board-viewport.has-board{min-height:clamp(292px,80vw,345px)}.board-statusbar{gap:7px;padding-top:10px}.board-stats{gap:2px}.board-stats span{font-size:9px}.board-stats strong{font-size:11px}.board-hint{max-width:100%;font-size:9px}.usage-item{padding-block:10px}.upload-zone{min-height:clamp(158px,42vw,176px);padding-block:13px}.upload-icon-wrap{width:41px;height:41px;margin-bottom:9px}.upload-zone .upload-button{margin-top:11px}.settings-toggle{padding-block:14px}.setting-row{padding-top:13px}}@media (width<=414px){.tool-header .brand-mark span:last-child{text-overflow:ellipsis;white-space:nowrap;max-width:92px;overflow:hidden}.header-controls{min-width:86px;font-size:9px!important}.header-export{min-width:76px;font-size:10px!important}.board-workspace{border-radius:10px}.board-toolbar h1{font-size:16px}.board-toolbar .section-kicker{font-size:8px}.board-viewport,.board-viewport.has-board{min-height:clamp(284px,78vw,326px)}.empty-board-copy{max-width:190px;padding:14px}.empty-board-copy strong{font-size:12px}.empty-board-copy span{font-size:10px}.usage-item{grid-template-columns:20px 17px minmax(0,1fr) auto;column-gap:6px}.usage-replace-button{min-width:53px!important}}@media (width<=390px){.tool-header{padding-inline:8px}.header-controls{min-width:82px;padding-inline:5px!important}.header-export{min-width:72px;padding-inline:6px!important}.tool-layout{gap:8px;padding-inline:5px}.board-workspace{padding:10px 7px 12px}.board-toolbar{align-items:flex-start}.board-toolbar-actions{flex-wrap:wrap;justify-content:flex-end}.reset-button{font-size:10px!important}.board-viewport,.board-viewport.has-board{min-height:clamp(276px,76vw,304px);padding:7px}.board-stats span{font-size:8px}.board-stats strong{font-size:10px}.board-hint{font-size:8px}.mobile-controls{width:calc(100vw - 14px)}.mobile-controls-header{min-height:54px;padding-inline:14px}.mobile-controls-body{padding:8px}.upload-panel{border-radius:10px}.upload-zone{min-height:152px}.settings-toggle,.settings-content{padding-inline:12px}.setting-label{font-size:11px}.setting-label strong{font-size:12px}.setting-row p,.usage-color-name strong{font-size:9px}.usage-color-name small,.usage-count small{font-size:8px}}@media (width<=360px){.tool-header{height:52px;padding-inline:7px}.tool-header .brand-mark{gap:6px;font-size:8px}.tool-header .brand-dot{width:8px;height:8px}.header-actions{gap:3px}.header-controls{min-width:77px;padding-inline:4px!important;font-size:8px!important}.header-export{min-width:68px;padding-inline:5px!important;font-size:9px!important}.board-workspace{padding-inline:6px}.board-toolbar h1{font-size:15px}.board-toolbar-actions{gap:3px}.zoom-controls button{width:23px;height:25px;font-size:15px}.zoom-controls .zoom-value{width:36px;font-size:9px}.board-viewport,.board-viewport.has-board{min-height:266px;padding:6px}.board-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:6px}.board-hint{line-height:1.35}.usage-item{grid-template-columns:18px 15px minmax(0,1fr) auto;column-gap:5px}.usage-swatch{width:13px;height:13px}.usage-replace-button{min-width:49px!important;padding-inline:4px!important;font-size:9px!important}.upload-zone{min-height:148px;padding-inline:8px}.upload-zone>span{font-size:10px}.mobile-controls-header{padding-inline:12px}}@media (width<=340px){.tool-header .brand-mark span:last-child{max-width:68px}.header-controls{min-width:72px}.header-export{min-width:64px}.board-toolbar{flex-direction:column;align-items:stretch}.board-toolbar-actions{justify-content:space-between}.board-viewport,.board-viewport.has-board{min-height:252px}.board-statusbar{padding-inline:0}.mobile-controls{width:calc(100vw - 8px)}.mobile-controls-body{padding:6px}.mobile-controls-header{min-height:50px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@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}@property --tw-ease{syntax:"*";inherits:false}