:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f6f6f6;--surface:#fff;--text:#202020;--muted:#595959;--border:#b9b9b9;--focus:#235b97;--subtle:#ededed;--error:#923a18;color:var(--text);background:var(--page);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#202020;--surface:#292929;--text:#eee;--muted:#bdbdbd;--border:#737373;--focus:#a6c9ef;--subtle:#353535;--error:#ffb895}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#202020;--surface:#292929;--text:#eee;--muted:#bdbdbd;--border:#737373;--focus:#a6c9ef;--subtle:#353535;--error:#ffb895}}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;color:var(--text)}button,select,input:not([type=checkbox]):not([type=range]){border:1px solid var(--border);background:var(--surface);border-radius:3px;min-height:34px;padding:5px 9px}button{cursor:pointer;white-space:nowrap}button:hover:not(:disabled){background:var(--subtle)}button:active:not(:disabled){transform:translateY(1px)}button:disabled,select:disabled{opacity:.55;cursor:default}button.primary{background:var(--text);color:var(--surface);border-color:var(--text)}button.primary:hover:not(:disabled){background:var(--muted)}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}input[type=checkbox]{accent-color:var(--focus);width:16px;height:16px;margin:0}input[type=range]{accent-color:var(--focus)}input::placeholder{color:var(--muted);opacity:1}a{color:var(--focus)}header,main,footer{max-width:1440px;margin-inline:auto}header{justify-content:space-between;align-items:center;gap:16px;padding:18px 24px;display:flex}h1{margin:0;font-size:18px;font-weight:600}h2{margin:0;font-size:14px;font-weight:600}.header-controls,.actions,.inline-label{align-items:center;gap:8px;display:flex}.header-controls{gap:16px}main{padding:0 24px}.workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:20px;display:grid}.source-panel,.preview-panel{min-width:0}.panel-heading{justify-content:space-between;align-items:center;gap:10px;min-height:46px;display:flex}.panel-heading,.preview-options{position:relative}.panel-heading .actions button{min-height:30px;padding-block:3px}#editor{background:var(--surface);border:1px solid var(--border);border-radius:3px;overflow:hidden}.cm-editor{height:300px}.cm-scroller{font:15px/1.65 ui-monospace,Cascadia Code,SFMono-Regular,Consolas,monospace;overflow:auto}.cm-content{caret-color:var(--text);padding-block:12px}.cm-line{padding-inline:12px}.cm-editor .cm-gutters{background:var(--page);color:var(--muted);border-color:var(--border)}.cm-editor .cm-activeLine,.cm-editor .cm-activeLineGutter{background:var(--subtle)}.cm-editor .cm-cursor{border-left-color:var(--text)}.cm-editor.cm-focused{outline:2px solid var(--focus);outline-offset:-2px}.cm-editor .cm-selectionBackground,.cm-editor.cm-focused .cm-selectionBackground{background:#8ab6e55e}.cm-editor .cm-tooltip{background:var(--surface);border:1px solid var(--border);color:var(--text)}.cm-editor .cm-tooltip-autocomplete ul li[aria-selected]{background:var(--focus);color:var(--surface)}.editor-footer{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:5px 12px;padding-block:8px;font-size:12px;display:flex}kbd{font-family:inherit;font-size:.95em}details{border-top:1px solid var(--border);padding-block:10px}summary{cursor:pointer;width:fit-content;font-weight:500}.menu{border:0;padding:0;position:relative}.menu>summary{border:1px solid var(--border);background:var(--surface);white-space:nowrap;border-radius:3px;min-height:34px;padding:5px 9px;font-weight:400}.menu>summary:hover,.menu[open]>summary{background:var(--subtle)}.wide-menu{position:static}.dropdown-panel{background:var(--surface);border:1px solid var(--border);z-index:1;border-radius:3px;width:max-content;max-width:calc(100vw - 24px);max-height:min(480px,65dvh);padding:12px;position:absolute;top:calc(100% + 6px);right:0;overflow:auto}.wide-menu>.dropdown-panel{width:min(520px,100%);left:0;right:auto}.preferences-panel{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.preferences-panel .inline-label{justify-content:space-between;width:100%}.action-menu{flex-direction:column;align-items:stretch;gap:6px;min-width:155px;display:flex}.action-menu button{text-align:left}.preview-options{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.preview-options>.menu>summary{color:var(--muted);background:0 0;border-color:#0000;min-height:28px;padding-inline:0;font-size:13px}.preview-options>.menu>summary:hover{color:var(--text)}.template-filters{grid-template-columns:auto minmax(0,1fr);gap:8px;margin-block:10px;display:grid}.template-filters input{width:100%;min-width:0}.template-list{flex-wrap:wrap;gap:6px;max-height:210px;padding:2px;display:flex;overflow:auto}.template-list button{min-height:30px;padding:3px 8px;font-size:13px}.example-row{border-top:1px solid var(--border);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;margin-top:12px;padding-top:12px;display:grid}.example-row select{width:100%;min-width:0}.checkbox{align-items:center;gap:7px;display:inline-flex}#preview-stage{border:1px solid var(--border);border-radius:3px;min-height:302px;max-height:520px;display:grid;overflow:auto}.checker{background-color:#fff;background-image:conic-gradient(#e9e9e9 25%, transparent 0 50%, #e9e9e9 0 75%, transparent 0);background-size:16px 16px}.checker.checker-dark{background-color:#454545;background-image:conic-gradient(#555 25%, transparent 0 50%, #555 0 75%, transparent 0)}#preview{place-items:center;width:max-content;min-width:100%;min-height:300px;padding:16px;display:grid}#preview svg{flex-shrink:0;display:block}.empty-preview{color:#333;background:#fff;border-radius:3px;padding:8px;font-size:13px}.preview-status{color:var(--muted);flex-wrap:wrap;align-items:center;gap:5px 10px;min-height:34px;padding-block:6px;font-size:12px;display:flex}#size-info{white-space:nowrap}#retry{min-height:24px;padding:1px 7px;font-size:12px}#render-error{color:var(--error);overflow-wrap:anywhere;max-height:64px;margin-bottom:8px;font-size:13px;overflow:auto}.appearance{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;display:grid}.display-option{margin-top:14px}.control{flex-direction:column;gap:4px;min-width:0;display:flex}.control>label,.quality-control label{color:var(--muted);font-size:12px}.control>input,.control>select{width:100%;min-width:0}.color-control{grid-template-columns:minmax(0,1fr) 38px;gap:6px;display:grid}.color-control select{width:100%;min-width:0}.color-control input[type=color]{cursor:pointer;width:38px;padding:3px}.export-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;display:grid}.export-info{flex-wrap:wrap;gap:6px 16px;margin-top:12px;display:flex}.hint{color:var(--muted);font-size:12px}#export-note{min-height:18px;margin:10px 0}.quality-control{grid-template-columns:100px minmax(0,1fr);align-items:center;gap:12px;margin-top:12px;display:grid}.download-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.help{margin-top:28px}.help-content{max-width:85ch;color:var(--muted);font-size:13px}.help-content p{margin-block:10px}code{color:var(--text);font:12px ui-monospace,Consolas,monospace}footer{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px 16px;padding:14px 24px 22px;font-size:12px;display:flex}footer a{margin-left:auto}#notice{border:1px solid var(--border);background:var(--surface);max-width:calc(100% - 24px);color:var(--text);z-index:2;border-radius:3px;padding:8px 14px;font-size:13px;position:fixed;bottom:14px;left:50%;transform:translate(-50%)}#notice:empty{display:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}[hidden]{display:none!important}@media (width<=767px){header{flex-wrap:wrap;align-items:flex-start;gap:8px;padding:12px}h1{font-size:17px}.header-controls{flex-wrap:wrap;gap:10px}main{padding-inline:12px}.workspace{grid-template-columns:minmax(0,1fr);gap:12px}.cm-editor{height:220px}#preview-stage{min-height:180px}#preview{min-height:178px}.template-list{max-height:115px}.help{margin-top:20px}footer{padding-inline:12px}}@media (prefers-reduced-motion:reduce){button:active:not(:disabled){transform:none}}