.mind-node{position:absolute;display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-surface);border:1.5px solid var(--border-subtle);border-radius:var(--radius-full);box-shadow:var(--shadow-node);color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;transition:box-shadow var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast);user-select:none;transform-origin:center center}.mind-node:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.mind-node.selected{border-color:var(--primary)!important;box-shadow:var(--shadow-node-active)!important;z-index:50!important}.mind-node.node-root{padding:14px 28px;font-size:18px;font-weight:700;letter-spacing:-.01em;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:2px solid #1d4ed8;box-shadow:0 10px 25px -5px rgba(59,130,246,.45);border-radius:var(--radius-full);z-index:40}.mind-node.node-root.selected{box-shadow:0 0 0 4px rgba(255,255,255,.6),0 10px 25px rgba(59,130,246,.6)!important}.mind-node.shape-pill{border-radius:var(--radius-full)}.mind-node.shape-rectangle{border-radius:var(--radius-sm)}.mind-node.shape-underline{background:0 0!important;border-top:none!important;border-left:none!important;border-right:none!important;border-bottom-width:3px!important;border-radius:0!important;padding:4px 10px!important;box-shadow:none!important}.mind-node.shape-cloud{border-radius:20px 20px 20px 4px}.node-icon{font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.node-text{min-width:12px;outline:0;border:none;cursor:text;line-height:1.35}.node-text[contenteditable=true]{cursor:text;user-select:text}.node-note-indicator{display:inline-flex;align-items:center;color:var(--text-muted);font-size:12px;margin-left:2px}.node-note-indicator svg{width:13px;height:13px;fill:currentColor}.node-quick-btn{position:absolute;width:24px;height:24px;background:#0284c7;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1;box-shadow:0 2px 8px rgba(2,132,199,.45);cursor:pointer;opacity:0;pointer-events:none;transition:all var(--transition-fast);z-index:60;user-select:none}.mind-node.selected .node-quick-btn{opacity:1;pointer-events:auto}.node-quick-btn:hover{background:#0369a1;transform:scale(1.18);box-shadow:0 4px 12px rgba(2,132,199,.6)}.node-quick-btn.node-add-child.add-right{right:-13px;top:50%;transform:translateY(-50%)}.node-quick-btn.node-add-child.add-right:hover{transform:translateY(-50%) scale(1.18)}.node-quick-btn.node-add-child.add-left{left:-13px;top:50%;transform:translateY(-50%)}.node-quick-btn.node-add-child.add-left:hover{transform:translateY(-50%) scale(1.18)}.node-quick-btn.node-add-sibling{bottom:-12px;left:50%;transform:translateX(-50%)}.node-quick-btn.node-add-sibling:hover{transform:translateX(-50%) scale(1.18)}.quick-hint-pill{position:absolute;display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:6px;background:rgba(15,23,42,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#e2e8f0;font-size:11px;font-weight:500;white-space:nowrap;pointer-events:none;opacity:0;transform:scale(.95);transition:.15s;z-index:100;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 12px rgba(0,0,0,.25)}.quick-hint-pill kbd{background:rgba(255,255,255,.2);color:#fff;padding:1px 5px;border-radius:4px;font-family:inherit;font-size:10px;font-weight:700}.node-add-child.add-right~.hint-child{left:calc(100% + 16px);top:50%;transform:translateY(-50%)}.node-add-child.add-left~.hint-child{right:calc(100% + 16px);top:50%;transform:translateY(-50%)}.node-add-sibling~.hint-sibling{top:calc(100% + 15px);left:50%;transform:translateX(-50%)}.mind-node.selected .quick-hint-pill,.mind-node.selected:hover .quick-hint-pill{opacity:1}.node-collapse-toggle{position:absolute;width:18px;height:18px;background:var(--bg-surface);border:1.5px solid var(--border-strong);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-xs);transition:all var(--transition-fast);z-index:55}.node-collapse-toggle:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:scale(1.15)}.node-collapse-toggle.pos-right{right:-9px;top:50%;transform:translateY(-50%)}.node-collapse-toggle.pos-left{left:-9px;top:50%;transform:translateY(-50%)}.node-collapse-badge{background:var(--primary);color:#fff;font-size:9px;font-weight:700;padding:1px 5px;border-radius:var(--radius-full);margin-left:2px}.mind-node.is-dragging{opacity:.6;transform:scale(.96);pointer-events:none}.mind-node.drop-target-active{border-color:var(--primary)!important;background-color:var(--primary-light)!important;box-shadow:0 0 0 4px rgba(59,130,246,.4)!important;transform:scale(1.05)!important}