.canvas-area{flex:1;position:relative;overflow:hidden;background:var(--bg)}.canvas-area:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(0,210,211,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,210,211,.025) 1px,transparent 1px);background-size:50px 50px;pointer-events:none}#graph-svg{width:100%;height:100%;touch-action:none}.tooltip{position:absolute;pointer-events:none;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-size:11px;max-width:230px;opacity:0;transition:opacity .15s;z-index:100;box-shadow:0 8px 32px #000000b3}.tooltip.on{opacity:1}.tt-title{font-family:var(--font-mono);font-size:12px;color:var(--cyan);margin-bottom:5px}.tt-body{color:var(--muted);line-height:1.6}.drawer{position:absolute;bottom:0;left:0;right:0;background:var(--surface);border-top:2px solid var(--cyan);border-radius:16px 16px 0 0;padding:0 20px 32px;z-index:60;transform:translateY(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:none}.drawer.open{transform:translateY(0)}.drawer-handle{width:36px;height:4px;background:var(--border);border-radius:2px;margin:14px auto 16px}.drawer-close{position:absolute;top:14px;right:18px;background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;line-height:1}.drawer-node-type{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}.drawer-dot{width:8px;height:8px;border-radius:50%}.drawer-title{font-family:var(--font-mono);font-size:16px;color:var(--cyan);margin-bottom:8px}.drawer-body{font-size:13px;color:var(--muted);line-height:1.7}.ctrl-wrap{position:absolute;bottom:20px;right:16px;display:flex;flex-direction:column;gap:4px}.ctrl-btn{width:34px;height:34px;background:var(--surface2);border:1px solid var(--border);border-radius:5px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--muted);transition:all .15s}.ctrl-btn:hover{color:var(--cyan);border-color:var(--cyan)}.scroll-hint{position:absolute;right:60px;bottom:20px;font-family:var(--font-mono);font-size:9px;color:var(--muted);opacity:.6}@media(max-width:768px){.canvas-area{width:100%}.ctrl-btn{width:40px;height:40px;font-size:17px}.ctrl-wrap{bottom:16px;right:12px}.drawer{display:block}.scroll-hint{display:none}}