:root{--draw-bg:#f4f7f6;--draw-panel:#fff;--draw-ink:#193a30;--draw-muted:#617970;--draw-line:#d9e4de;--draw-active:#e5f3ec;--draw-accent:#087c61;--draw-stage:#e8eeeb;color-scheme:light}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--draw-bg:#111a18;--draw-panel:#1b2823;--draw-ink:#e8f2ed;--draw-muted:#99afa4;--draw-line:#33473c;--draw-active:#284f3d;--draw-accent:#69d6ae;--draw-stage:#0b1210;color-scheme:dark}}
:root[data-theme=dark]{--draw-bg:#111a18;--draw-panel:#1b2823;--draw-ink:#e8f2ed;--draw-muted:#99afa4;--draw-line:#33473c;--draw-active:#284f3d;--draw-accent:#69d6ae;--draw-stage:#0b1210;color-scheme:dark}
*{box-sizing:border-box}.draw-page{margin:0;background:var(--draw-bg);color:var(--draw-ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif}.draw-page button,.draw-page input,.draw-page summary{font:inherit}.draw-page a{color:inherit;text-decoration:none}.draw-header{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left));border-bottom:1px solid var(--draw-line);background:var(--draw-panel)}.draw-brand{display:flex;align-items:center;gap:10px;font-size:17px;letter-spacing:-.03em}.draw-brand img{border-radius:9px}.draw-header-tools{display:flex;align-items:center;gap:4px}.draw-language{display:grid;place-items:center;font-size:12px;font-weight:700;min-width:36px;min-height:40px;border-radius:9px;color:var(--draw-muted)!important}.draw-language[aria-current=page]{background:var(--draw-active);color:var(--draw-accent)!important}.draw-icon{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:44px;min-height:44px;padding:9px 11px;background:transparent;color:var(--draw-ink);border:1px solid transparent;border-radius:10px;cursor:pointer;font-size:13px!important;font-weight:600!important;line-height:1.2;white-space:nowrap;touch-action:manipulation}.draw-icon svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.draw-icon:hover,.draw-icon[aria-pressed=true],.draw-more[open]>summary{background:var(--draw-active);color:var(--draw-accent)}.draw-icon:disabled{opacity:.4;cursor:default}.draw-page :focus-visible{outline:3px solid var(--draw-accent);outline-offset:3px}.draw-page .draw-workspace{display:flex;flex-direction:column;gap:9px;width:100%;max-width:1520px;height:calc(100vh - 60px);height:calc(100dvh - 60px);min-height:300px;margin:0 auto;padding:14px max(14px,env(safe-area-inset-right)) 8px max(14px,env(safe-area-inset-left))}.draw-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:5px;background:var(--draw-panel);border:1px solid var(--draw-line);border-radius:15px;flex:none}.draw-tool-group,.draw-actions{display:flex;align-items:center;gap:4px;min-width:0}.draw-tool-group .draw-icon{padding:9px}.draw-color{display:flex;align-items:center;padding:5px;cursor:pointer}.draw-color input{width:36px;height:34px;padding:2px;border:1px solid var(--draw-line);border-radius:8px;background:var(--draw-panel);cursor:pointer}.draw-size{display:flex;align-items:center;gap:5px;padding:0 7px;height:44px}.draw-size input{width:75px;max-width:16vw;accent-color:var(--draw-accent);cursor:pointer}.draw-size output{min-width:18px;font-size:11px;text-align:center;color:var(--draw-muted);font-variant-numeric:tabular-nums}.draw-primary{background:#087c61;color:#fff}.draw-primary:hover{background:#09634e;color:#fff}.draw-more{position:relative}.draw-more summary{list-style:none}.draw-more summary::-webkit-details-marker{display:none}.draw-more-menu{position:absolute;right:0;top:calc(100% + 9px);z-index:5;min-width:165px;border:1px solid var(--draw-line);background:var(--draw-panel);border-radius:12px;padding:5px;box-shadow:0 8px 25px #0002}.draw-more-menu button{display:block;width:100%;text-align:left;border:0;border-radius:8px;background:none;color:var(--draw-ink);padding:12px;font-size:13px;cursor:pointer;min-height:44px}.draw-more-menu button:hover{background:var(--draw-active)}.draw-more-menu button:disabled{opacity:.4;cursor:default}.draw-status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:18px;padding:0 5px;color:var(--draw-muted);font-size:12px;line-height:1.4}.draw-status-row p{margin:0;font-size:inherit;overflow-wrap:anywhere}.draw-status-row span{white-space:nowrap}.draw-status-row i{font-style:normal;font-size:9px;color:#26a573}.draw-stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--draw-line);border-radius:16px;background:var(--draw-stage);padding:8px}.draw-board{background:white;border-radius:7px;overflow:hidden;box-shadow:0 3px 18px #0001;aspect-ratio:16/10;width:100%;max-height:100%;flex:none}.draw-board canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair;user-select:none}.draw-note{text-align:center;margin:0;font-size:11px;line-height:1.4;color:var(--draw-muted);flex:none}.draw-footer{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;padding:18px 16px max(18px,env(safe-area-inset-bottom));border-top:1px solid var(--draw-line);font-size:12px;color:var(--draw-muted)}.draw-footer a{display:inline-flex;align-items:center;min-height:32px}.draw-footer a:hover{color:var(--draw-accent);text-decoration:underline}
@media(max-width:620px){.draw-header{height:54px}.draw-page .draw-workspace{height:calc(100dvh - 54px);padding:8px max(9px,env(safe-area-inset-right)) 8px max(9px,env(safe-area-inset-left));gap:8px}.draw-toolbar{flex-wrap:wrap;gap:1px;padding:4px}.draw-tool-group{flex:1}.draw-tool-group .draw-icon span{display:none}.draw-toolbar .draw-icon{padding:8px}.draw-actions{margin-left:auto}.draw-size{padding:0 3px}.draw-size input{width:58px;max-width:16vw}.draw-size output{display:none}.draw-stage{padding:5px;border-radius:12px}.draw-board{border-radius:5px}.draw-footer{gap:2px 18px}}
@media(max-width:620px){.draw-toolbar .draw-icon span{display:none}.draw-tool-group{flex:none}.draw-actions{margin-left:auto}.draw-size input{flex:none}}
@media(max-width:620px) and (orientation:portrait){.draw-stage{align-items:flex-start;flex:none;aspect-ratio:16/10}.draw-page .draw-workspace{height:auto;min-height:calc(100dvh - 54px)}}
@media(max-width:380px){.draw-size input{width:48px}.draw-toolbar .draw-icon{min-width:40px}}
@media(orientation:landscape) and (max-height:540px){.draw-header{height:43px}.draw-brand img{width:26px;height:26px}.draw-header-tools .draw-icon,.draw-language{min-height:36px}.draw-page .draw-workspace{height:calc(100dvh - 43px);min-height:210px;padding-top:5px;padding-bottom:5px;gap:4px}.draw-toolbar{padding:1px 4px}.draw-toolbar .draw-icon,.draw-size{min-height:40px;height:40px;padding:7px 9px}.draw-note{display:none}.draw-stage{padding:4px}.draw-status-row{min-height:16px;font-size:11px}}
@media(prefers-reduced-motion:no-preference){.draw-page,.draw-header,.draw-toolbar,.draw-stage,.draw-footer{transition:background-color .18s ease,color .18s ease,border-color .18s ease}.draw-icon{transition:background-color .15s ease,color .15s ease}}
.draw-history{display:flex;align-items:center;gap:2px;margin-right:3px;padding-right:5px;border-right:1px solid var(--draw-line)}
.draw-stage{position:relative;align-items:stretch;padding:0;isolation:isolate}
.draw-board{width:100%;height:100%;max-height:none;aspect-ratio:auto;flex:1;background:transparent;border-radius:0;box-shadow:none;overflow:hidden}
.draw-board canvas{width:100%;height:100%;outline-offset:-4px;overscroll-behavior:contain}
.draw-zoom{position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:1px;padding:3px;background:var(--draw-panel);border:1px solid var(--draw-line);border-radius:12px;box-shadow:0 3px 16px #0002;user-select:none;touch-action:manipulation}
.draw-zoom output{width:48px;text-align:center;color:var(--draw-muted);font-size:11px;font-variant-numeric:tabular-nums}
.draw-zoom .draw-icon{padding:8px}
@media(max-width:620px){.draw-toolbar{row-gap:3px}.draw-actions{flex-wrap:nowrap}.draw-zoom{right:8px;bottom:8px}.draw-stage{padding:0}}
@media(max-width:620px) and (orientation:portrait){.draw-stage{align-items:stretch;flex:1;aspect-ratio:auto}.draw-page .draw-workspace{height:calc(100dvh - 54px);min-height:350px}}
@media(orientation:landscape) and (max-height:540px){.draw-toolbar .draw-icon span{display:none}.draw-stage{padding:0}.draw-zoom{right:6px;bottom:6px;padding:2px}.draw-zoom .draw-icon{min-height:36px;height:36px;min-width:38px;padding:7px}.draw-zoom output{width:42px}}