*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;font-family:Courier New,monospace}#app{display:flex;flex-direction:column;height:100vh;width:100vw}#toolbar{flex:0 0 auto;display:flex;align-items:center;gap:2px;padding:4px 8px;background:#252526;border-bottom:1px solid #3c3c3c}#toolbar button{font-family:Courier New,monospace;font-size:12px;font-weight:700;color:#d4d4d4;background:#2d2d30;border:1px solid #3c3c3c;border-radius:3px;padding:4px 8px;cursor:pointer}#toolbar button:hover{background:#3c3c3c}#toolbar button:active,#toolbar button.active{background:#094771}#toolbar .toolbar-gap{width:10px}#canvas-wrapper{position:relative;flex:1 1 auto;min-height:0}#cad-canvas{display:block;width:100%;height:100%;cursor:crosshair;outline:none;background:#1e1e1e}#home-btn{position:absolute;top:10px;right:10px;width:28px;height:28px;padding:0;font-size:15px;color:#ddd;background:#282828c7;border:1px solid #555555;border-radius:4px;cursor:pointer;outline:none}#home-btn:hover{background:#3c3c3cdb;border-color:#888}#command-bar{flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:6px 8px;background:#252526;border-top:1px solid #3c3c3c}#command-bar .prompt-label{font-size:13px;font-weight:700;color:#0ff;white-space:nowrap}#command-bar input[type=text]{font-family:Courier New,monospace;font-size:13px;color:#fff;background:#252526;border:none;outline:none;flex:1 1 auto;min-width:60px}#command-bar input[type=text]:disabled{color:#888}#command-bar .angle-marker{font-size:13px;color:#ff0;display:none}#command-bar .angle-marker.visible{display:inline}#command-bar input.angle-field{display:none;flex:1 1 auto}#command-bar input.angle-field.visible{display:inline-block}#command-bar .snap-label{min-width:100px;text-align:right;font-size:12px;font-weight:700;color:#ff0}#command-bar .ortho-label{font-size:12px;color:#666;cursor:pointer;padding:0 4px}#command-bar .ortho-label.enabled{color:#0f8;font-weight:700}#toast{position:fixed;bottom:60px;left:50%;transform:translate(-50%);background:#2d2d30;color:#fff;border:1px solid #3c3c3c;border-radius:4px;padding:8px 16px;font-size:13px;opacity:0;transition:opacity .3s ease;pointer-events:none;z-index:1000}#toast.visible{opacity:1}