.diagram-editor-modes{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.diagram-editor-modes button{min-height:44px}.diagram-editor-modes button[aria-pressed=true],.drawing-toolbar button.active{background:var(--soft);color:var(--accent);border-color:var(--accent)}.diagram-touch-editor{min-width:0}.drawing-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}.drawing-toolbar button{min-height:44px;min-width:44px}.drawing-size-controls{display:flex;align-items:end;flex-wrap:wrap;gap:14px;margin-bottom:16px}.drawing-size-controls label{min-width:160px}.drawing-size-controls input{width:130px}.drawing-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:18px}.drawing-stage{height:560px;min-width:0;overflow:hidden;background:#f5f7fb;border:1px solid var(--border);border-radius:12px;position:relative}.drawing-canvas{display:block;width:100%;height:100%;touch-action:none;user-select:none;-webkit-user-select:none;overscroll-behavior:none}.drawing-canvas:focus-visible{outline:3px solid var(--accent);outline-offset:-4px}.drawing-inspector{display:grid;align-content:start;gap:14px;min-width:0}.drawing-inspector h3{margin:0;font-size:17px}.drawing-inspector button{min-height:44px;white-space:normal}.drawing-inspector input[type=color]{height:44px;width:100%;padding:5px}.drawing-palette{display:flex;gap:4px;flex-wrap:wrap}.drawing-palette button{width:44px;min-height:44px;padding:8px;border:0;background:transparent}.drawing-palette button::before{content:"";display:block;width:26px;height:26px;border-radius:50%;background:var(--swatch);border:1px solid #526071}.drawing-status{min-height:2em;color:#514a5b;margin:14px 0 4px;line-height:1.7}.drawing-footer{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.drawing-footer button{min-height:44px;min-width:44px}.drawing-port{fill:#fff;stroke:#c13c19;stroke-width:2;cursor:crosshair}.drawing-endpoint{fill:#fff;stroke:#c13c19;stroke-width:3;cursor:grab}.drawing-node{cursor:inherit}.drawing-edge-hit{cursor:pointer}.drawing-edge-label{fill:#26354b;font:15px "Segoe UI",sans-serif;paint-order:stroke;stroke:#f5f7fb;stroke-width:5px;stroke-linejoin:round}.diagram-touch-editor [hidden]{display:none!important}html[data-theme=dark] .drawing-stage{background:#222733}html[data-theme=dark] .drawing-status{color:#d0c7dc}html[data-theme=dark] .drawing-edge-label{fill:#e9e5ee;stroke:#222733}html[data-theme=dark] .drawing-inspector .hint{color:var(--muted)}@media(max-width:1100px){.drawing-layout{grid-template-columns:1fr}.drawing-inspector{grid-template-columns:repeat(2,minmax(0,1fr))}.drawing-inspector h3,.drawing-inspector>.hint{grid-column:1/-1}.drawing-stage{height:500px}}@media(max-width:600px){.drawing-toolbar{gap:6px}.drawing-toolbar button{padding:10px 12px}.drawing-size-controls{align-items:stretch}.drawing-size-controls label{flex:1;min-width:120px}.drawing-layout{gap:16px}.drawing-stage{height:460px}.drawing-inspector{grid-template-columns:1fr}.drawing-footer button{padding:10px 12px}}

.drawing-ratios{margin:0 0 18px}.drawing-ratios summary{cursor:pointer;padding:10px 0}.drawing-ratio-fields{display:flex;flex-wrap:wrap;gap:14px;margin:10px 0}.drawing-ratio-fields input{max-width:140px}.drawing-ratios>p{margin-bottom:0}

.drawing-expanded{position:fixed;inset:0;z-index:60;overflow:auto;padding:20px;background:var(--surface,#fff)}.drawing-expanded .drawing-stage{height:calc(100dvh - 280px);min-height:300px}.drawing-expanded .drawing-layout{grid-template-columns:minmax(0,1fr) 240px}.drawing-expanded .drawing-inspector{grid-template-columns:1fr}.drawing-expanded .drawing-inspector h3{grid-column:auto}@media(max-width:700px){.drawing-expanded{padding:12px}.drawing-expanded .drawing-layout{grid-template-columns:1fr}.drawing-expanded .drawing-stage{height:calc(100dvh - 300px);min-height:260px}}

@media(min-width:1101px){.drawing-inspector{max-height:560px;overflow:auto;padding-right:5px}.drawing-expanded .drawing-inspector{max-height:calc(100dvh - 280px)}}

.drawing-size-choice{display:grid;gap:8px;font-size:12px}.drawing-size-switch{display:flex;gap:6px}.drawing-size-switch button{min-height:44px}.drawing-size-switch button[aria-pressed=true]{background:var(--soft);color:var(--accent);border-color:var(--accent)}

.drawing-port.target{fill:#e75027;stroke:#8f280c}

@media(min-width:701px){.drawing-expanded{display:flex;flex-direction:column;height:100dvh;overflow:auto}.drawing-expanded>.drawing-toolbar,.drawing-expanded>.drawing-size-controls,.drawing-expanded>.drawing-ratios,.drawing-expanded>.drawing-status,.drawing-expanded>.hint,.drawing-expanded>.drawing-footer{flex-shrink:0}.drawing-expanded>.drawing-layout{flex:1;min-height:220px;overflow:hidden}.drawing-expanded .drawing-stage{height:100%;min-height:220px}.drawing-expanded .drawing-inspector{max-height:100%;overflow:auto}}

.diagram-editor-modes button[aria-pressed=true],.drawing-toolbar button.active,.drawing-size-switch button[aria-pressed=true]{color:#b13716}html[data-theme=dark] .diagram-editor-modes button[aria-pressed=true],html[data-theme=dark] .drawing-toolbar button.active,html[data-theme=dark] .drawing-size-switch button[aria-pressed=true]{color:var(--accent)}

.drawing-stage{display:flex;flex-direction:column}.drawing-canvas{flex:1;height:0;min-height:0}.drawing-viewport-tools{display:flex;align-items:center;gap:8px;padding:8px 10px;border-top:1px solid var(--border);background:var(--surface,#fff);flex-shrink:0}.drawing-viewport-tools button{min-height:44px;min-width:44px;padding:8px 12px}

.drawing-shapes{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;flex-shrink:0}.drawing-shapes button{min-height:44px}.drawing-arranging{margin-bottom:14px;flex-shrink:0}.drawing-arranging summary{cursor:pointer;min-height:44px;display:list-item;padding:10px 0}.drawing-arrange-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin:8px 0}.drawing-arrange-controls label{display:grid;gap:8px;min-width:0}.drawing-arrange-controls select{min-height:44px;max-width:100%}.drawing-arrange-controls button{min-height:44px}.drawing-arranging>.hint{margin:10px 0 0}.drawing-selection-list{max-height:260px;overflow:auto;display:grid;gap:4px}.drawing-selection-list label{display:flex;flex-direction:row;align-items:center;gap:10px;min-height:44px;overflow-wrap:anywhere}.drawing-selection-list input{width:20px;height:20px;flex-shrink:0}.drawing-selection-list span{min-width:0}.drawing-move{cursor:move}.drawing-ratio-fields label{min-width:0;max-width:100%}.drawing-expanded>.drawing-shapes,.drawing-expanded>.drawing-arranging{flex-shrink:0}@media(max-width:600px){.drawing-shapes{gap:6px}.drawing-shapes button{padding:10px 12px}.drawing-arrange-controls{align-items:stretch;flex-direction:column}.drawing-arrange-controls label{width:100%}.drawing-ratio-fields label{overflow-wrap:anywhere}}