:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--rail-width: 176px;--inspector-width: 340px;--topbar-height: 58px;--control-value-width: 118px;--surface: #fbfcfd;--surface-soft: #f2f5f7;--surface-muted: #e5ebef;--surface-raised: #ffffff;--stage: #676866;--text: #151719;--text-soft: #26313a;--muted: #5d646b;--hairline: #d7dde2;--divider: #dde4e9;--control-border: #d2dbe2;--active: #171f27;--active-hover: #25313b;--selected-soft: #eaf4ff;--blue: #0577ff;--blue-strong: #0067df;--danger: #b42318;--danger-soft: #fff1ee;--control: #ffffff;--switch-off: #c9d2d9;--shadow: 0 18px 55px rgba(0, 0, 0, .22)}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}body{overflow:hidden;background:var(--stage);color:var(--text)}button,input,select{font:inherit}button{border:0}.app-shell{position:relative;width:100vw;height:100vh;min-width:960px;overflow:hidden;background:var(--stage)}.app-shell.is-dragging .preview-stage:after{opacity:1;transform:scale(1)}.file-input{position:fixed;width:1px;height:1px;opacity:0;pointer-events:none}.preview-stage{position:absolute;inset:0;z-index:0;display:grid;place-items:center;overflow:hidden}.preview-stage:after{position:absolute;inset:calc(var(--topbar-height) + 24px) calc(var(--inspector-width) + 24px) 24px calc(var(--rail-width) + 24px);display:grid;place-items:center;border:2px dashed rgba(255,255,255,.72);border-radius:26px;background:#0000001f;content:"";opacity:0;pointer-events:none;transform:scale(.985);transition:opacity .16s ease,transform .16s ease}.preview-stage.bg-gray{background:#676866}.preview-stage.bg-white{background:#f7f8f6}.preview-stage.bg-black{background:#101112}.preview-stage.bg-transparent{background-color:#777a7c;background-image:linear-gradient(45deg,rgba(255,255,255,.34) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.34) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(255,255,255,.34) 75%),linear-gradient(-45deg,transparent 75%,rgba(255,255,255,.34) 75%);background-position:0 0,0 12px,12px -12px,-12px 0;background-size:24px 24px}.preview-scroll{width:100%;height:100%;overflow:auto;overscroll-behavior:contain;padding:calc(var(--topbar-height) + 48px) calc(var(--inspector-width) + 48px) 48px calc(var(--rail-width) + 48px);cursor:grab;user-select:none}.preview-scroll.is-panning{cursor:grabbing}.preview-scroll.is-panning .svg-preview{pointer-events:none}.preview-content{--preview-base-size: min(68vh, calc(100vw - var(--rail-width) - var(--inspector-width) - 104px));display:grid;min-width:max(100%,calc(var(--preview-base-size) * var(--preview-zoom)));min-height:max(100%,calc(var(--preview-base-size) * var(--preview-zoom)));place-items:center}.svg-preview{display:grid;width:max(64px,calc(var(--preview-base-size) * var(--preview-zoom)));aspect-ratio:1 / 1;place-items:center}.svg-preview svg{display:block;width:100%;max-width:none;height:auto;max-height:none;overflow:visible}.empty-preview{position:absolute;inset:var(--topbar-height) var(--inspector-width) 0 var(--rail-width);display:grid;min-width:0;min-height:0;place-items:center;padding:48px;pointer-events:none}.drop-target{display:grid;width:min(420px,calc(100vw - var(--rail-width) - var(--inspector-width) - 104px));aspect-ratio:1 / 1;place-items:center;align-content:center;gap:14px;border-radius:34px;color:#ffffffe6;background:#0000002e;box-shadow:inset 0 0 0 1px #ffffff2e;cursor:pointer;pointer-events:auto}.drop-target span{font-size:14px;font-weight:700}.error-banner{position:absolute;left:calc(var(--rail-width) + 22px);bottom:18px;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:700;box-shadow:var(--shadow)}.error-banner{max-width:min(620px,calc(100% - var(--rail-width) - var(--inspector-width) - 44px));color:#4d160f;background:#ffe8e2f2}.history-rail{position:absolute;z-index:2;top:0;bottom:0;left:0;display:flex;width:var(--rail-width);flex-direction:column;align-items:center;gap:20px;padding:18px 14px;background:var(--surface);border-right:1px solid var(--hairline)}.rail-upload{display:grid;width:148px;height:48px;flex:0 0 auto;place-items:center;border-radius:12px;color:var(--text-soft);background:var(--surface-soft);cursor:pointer;text-decoration:none;transition:background .16s ease,transform .16s ease}.rail-upload:hover{transform:translateY(-1px);background:var(--surface-muted)}.history-list{display:flex;width:100%;flex:1;flex-direction:column;align-items:center;gap:16px;overflow-y:auto;padding:0}.history-item{position:relative;display:grid;width:148px;min-height:148px;place-items:center}.history-item:before{position:absolute;left:-10px;width:4px;height:52px;border-radius:999px;background:var(--blue);content:"";opacity:0}.history-item.is-selected:before{opacity:1}.history-thumb{display:grid;width:148px;height:148px;padding:0;place-items:center;border-radius:0;color:var(--muted);background:transparent;box-shadow:none;cursor:pointer;opacity:.76;transition:opacity .14s ease,transform .14s ease}.history-item.is-selected .history-thumb,.history-item:hover .history-thumb,.history-item:focus-within .history-thumb{opacity:1}.history-item:hover .history-thumb{transform:scale(.985)}.history-thumb img{display:block;width:136px;height:136px;border-radius:0;background:transparent;box-shadow:none;object-fit:contain}.history-delete{position:absolute;top:50%;left:50%;display:grid;width:38px;height:38px;place-items:center;border-radius:999px;color:#fff;background:var(--danger);cursor:pointer;opacity:0;pointer-events:none;transform:translate(-50%,-50%) scale(.92);transition:opacity .12s ease,transform .12s ease}.history-item:hover .history-delete,.history-item:focus-within .history-delete{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.history-confirm{position:absolute;top:50%;left:50%;display:flex;gap:7px;padding:6px;border-radius:999px;background:#111827db;transform:translate(-50%,-50%)}.history-confirm-button{display:grid;width:34px;height:34px;place-items:center;border-radius:999px;color:var(--text);background:var(--surface);cursor:pointer;transition:background .14s ease,color .14s ease,transform .14s ease}.history-confirm-button:hover{transform:scale(1.04)}.history-confirm-button.is-danger{color:#fff;background:var(--danger)}.top-bar{position:absolute;z-index:2;top:0;right:var(--inspector-width);left:var(--rail-width);display:flex;height:var(--topbar-height);align-items:center;justify-content:space-between;gap:18px;padding:0 20px;background:var(--surface);border-bottom:1px solid var(--hairline)}.topbar-left{display:flex;min-width:0;align-items:center;gap:10px}.topbar-github{display:grid;width:36px;height:36px;flex:0 0 auto;place-items:center;border-radius:999px;color:#fff;background:var(--active);text-decoration:none;transition:background .16s ease}.topbar-github:hover{background:var(--active-hover)}.toolbar{display:flex;align-items:center;gap:8px}.language-switch{display:flex;align-items:center;gap:2px;height:34px;padding:3px;border-radius:999px;background:var(--surface-soft)}.language-choice{min-width:34px;height:28px;border-radius:999px;color:var(--muted);background:transparent;font-size:12px;font-weight:800;cursor:pointer}.language-choice.is-selected{color:#fff;background:var(--blue)}.tool-button{display:grid;width:36px;height:34px;place-items:center;border-radius:999px;color:var(--text-soft);background:var(--surface-soft)}.tool-button{cursor:pointer}.tool-button:disabled{cursor:default;opacity:.38}.tool-button:not(:disabled):hover{background:var(--surface-muted)}.trace-status{display:flex;height:34px;align-items:center;gap:7px;border-radius:999px;padding:0 12px;color:var(--blue);background:var(--surface-soft);font-size:12px;font-weight:800}.trace-status.is-active svg{animation:spin .8s linear infinite}.inspector{position:absolute;z-index:2;top:0;right:0;bottom:0;display:flex;width:var(--inspector-width);min-width:0;flex-direction:column;gap:16px;overflow-y:auto;padding:18px 16px;background:var(--surface);border-left:1px solid var(--hairline)}.inspector-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:3px;padding:3px;border-radius:999px;background:var(--surface-soft)}.inspector-tab{min-height:32px;border-radius:999px;color:var(--muted);background:transparent;font-size:13px;font-weight:800;cursor:pointer}.inspector-tab.is-selected{color:#fff;background:var(--active)}.panel{display:grid;gap:8px}.panel h2{margin:0;padding:0 6px;color:var(--muted);font-size:12px;font-weight:800}.panel-body{overflow:visible;border:1px solid var(--hairline);border-radius:10px;background:var(--surface-soft)}.control-row,.slider-row{display:grid;min-height:46px;align-items:center;border-bottom:1px solid var(--divider)}.control-row:last-child,.slider-row:last-child{border-bottom:0}.control-row{grid-template-columns:minmax(0,1fr) minmax(0,var(--control-value-width));gap:12px;padding:0 12px}.control-row>span:first-child,.slider-row>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-soft);font-size:13px;font-weight:700}.select-shell{position:relative;display:grid;width:min(100%,var(--control-value-width));min-width:0;justify-self:end}.select-button{display:flex;width:100%;min-width:0;min-height:30px;align-items:center;justify-content:space-between;gap:10px;border-radius:8px;padding:0 9px 0 10px;color:var(--text);background:var(--control);box-shadow:inset 0 0 0 1px var(--control-border);font-size:13px;font-weight:650;cursor:pointer;outline:none}.select-button:disabled{cursor:default}.select-button span{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.select-button svg{flex:0 0 auto}.select-shell.is-open .select-button{box-shadow:inset 0 0 0 1px var(--blue),0 0 0 3px #0577ff24}.select-shell.is-open .select-button svg{transform:rotate(180deg)}.select-menu{position:absolute;z-index:20;top:calc(100% + 6px);right:0;display:grid;width:max-content;min-width:168px;max-width:min(260px,calc(var(--inspector-width) - 44px));overflow:hidden;border:1px solid var(--hairline);border-radius:10px;background:var(--surface-raised);box-shadow:0 14px 34px #11182729}.select-option{display:flex;min-width:0;min-height:34px;align-items:center;justify-content:flex-start;padding:0 12px;color:var(--text-soft);background:transparent;font-size:13px;font-weight:700;text-align:left;white-space:nowrap;cursor:pointer}.select-option:hover,.select-option.is-selected{background:var(--selected-soft);color:var(--blue-strong)}.number-input{width:min(100%,var(--control-value-width));min-width:0;min-height:30px;justify-self:end;border:0;border-radius:8px;padding:0 8px;color:var(--text);background:var(--control);box-shadow:inset 0 0 0 1px var(--control-border);font-size:13px;font-weight:700;text-align:right;outline:none}.slider-row{gap:8px;padding:8px 12px 10px}.slider-row>span{display:flex;align-items:center;justify-content:space-between;gap:12px}.slider-row strong{color:var(--muted);font-size:12px}.slider-row input[type=range]{width:100%;accent-color:var(--blue)}.switch{justify-self:end;width:38px;height:22px;appearance:none;border-radius:999px;background:var(--switch-off);box-shadow:inset 0 0 0 1px var(--control-border);transition:background .15s ease}.switch:before{display:block;width:18px;height:18px;margin:2px;border-radius:999px;background:#fff;box-shadow:0 1px 3px #0000002e;content:"";transition:transform .15s ease}.switch:checked{background:var(--blue)}.switch:checked:before{transform:translate(16px)}.swatch-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px}.swatch{height:30px;border-radius:8px;box-shadow:inset 0 0 0 1px #00000029,0 0 0 0 var(--blue);cursor:pointer}.swatch.is-selected{box-shadow:inset 0 0 0 1px #ffffffad,0 0 0 2px var(--blue)}.swatch-gray{background:#676866}.swatch-white{background:#f7f8f6}.swatch-black{background:#101112}.swatch-transparent{background-color:#7b7d7f;background-image:linear-gradient(45deg,rgba(255,255,255,.46) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.46) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(255,255,255,.46) 75%),linear-gradient(-45deg,transparent 75%,rgba(255,255,255,.46) 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.danger-button{display:flex;min-height:38px;align-items:center;justify-content:center;gap:8px;border-radius:10px;color:var(--danger);background:var(--danger-soft);font-size:13px;font-weight:750;cursor:pointer}.danger-button:disabled,input:disabled,button:disabled{cursor:default;opacity:.45}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1040px){:root{--rail-width: 156px;--inspector-width: 306px}.app-shell{min-width:900px}.history-item,.history-thumb{width:132px;height:132px;min-height:132px}.rail-upload{width:132px}.history-thumb img{width:120px;height:120px}.control-row{grid-template-columns:1fr;gap:6px;padding:8px 12px}.select-shell,.number-input{width:100%}}