:root{--bg-color: #eff4f7;--panel-bg: rgba(239, 239, 239, .85);--text-color: #000000;--node-color: #5eb9ff;--edge-color: #10b981;--arrow-color: #aaaaaa;--border-color: rgba(0, 0, 0, .1);--hover-bg: rgba(0, 0, 0, .05);--active-bg: rgba(0, 0, 0, .1);--primary-btn: #3b82f6;--primary-btn-hover: #2563eb;--danger-btn: #ef4444;--danger-btn-hover: #dc2626;--primary-sidebar-width: 250px;--secondary-sidebar-width: 200px;--status-bar-height: 40px;--terminal-height: 250px}@media (prefers-color-scheme: dark){:root{--bg-color: #607682;--panel-bg: rgba(36, 50, 73, .85);--text-color: #ffffff;--node-color: #3b82f6;--edge-color: #10b981;--arrow-color: #bbbbbb;--border-color: rgba(255, 255, 255, .1);--hover-bg: rgba(255, 255, 255, .05);--active-bg: rgba(255, 255, 255, .1)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-color);overflow:hidden;height:100vh;width:100vw;display:flex;transition:background-color .3s ease,color .3s 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svg{width:10px;height:10px}.info-icon{width:14px;height:14px;margin-left:6px;color:var(--text-color);opacity:.4;cursor:pointer;vertical-align:middle;position:relative;top:-1px;z-index:10;display:inline-block}.info-icon:hover{opacity:.8}.info-tooltip{position:fixed;background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-color);padding:8px 12px;border-radius:6px;font-size:13px;font-weight:400;z-index:9999;max-width:250px;box-shadow:0 4px 6px #0000004d;pointer-events:none;opacity:0;transition:opacity .2s ease}.info-tooltip.show{opacity:1}.input-group input[type=text],.input-group input[type=number],.input-group select,.property-input{width:100%;padding:4px 8px;background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-color);border-radius:4px;font-family:inherit;transition:border-color .2s}.input-group input:focus,.input-group select:focus,.property-input:focus{outline:none;border-color:var(--primary-btn)}.input-group 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.tab-close-btn{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;color:#888;font-size:12px;font-weight:700;line-height:1;cursor:pointer;flex-shrink:0;opacity:0;pointer-events:none;transition:opacity .15s,background .15s,color .15s}.main-tab-item:hover .tab-close-btn{opacity:.7;pointer-events:auto}.tab-close-btn:hover{opacity:1;background:#00000026;color:var(--text-color)}.tab-action-btn{flex-shrink:0}#btn-add-tab{font-size:1.25rem;font-weight:600;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;padding:0;line-height:1}.tab-menu-popdown{position:absolute;bottom:calc(var(--status-bar-height) + 6px);left:95px;z-index:100;background:var(--panel-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 8px 24px #0003;max-height:240px;overflow-y:auto;padding:4px 0;min-width:160px;max-width:280px}.tab-menu-popdown.hidden{display:none}.tab-menu-item{padding:6px 12px;font-size:.8rem;cursor:pointer;color:var(--text-color);display:flex;align-items:center;justify-content:space-between;gap:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tab-menu-item:hover{background:var(--hover-bg)}.tab-menu-item.active{font-weight:600;color:var(--primary-btn)}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-backdrop.hidden{display:none}.about-modal-card{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:12px;padding:36px 40px;box-shadow:0 12px 36px #00000040;text-align:center;position:relative;max-width:380px;width:90%;color:var(--text-color)}.about-logo{max-width:200px;height:auto;margin:0 auto 20px;display:block}.about-version{font-size:.95rem;font-weight:600;margin-bottom:8px;color:var(--text-color)}.about-copyright{font-size:.85rem;opacity:.8;color:var(--text-color)}.modal-close-icon{position:absolute;top:12px;right:16px;background:transparent;border:none;font-size:20px;cursor:pointer;color:var(--text-color);opacity:.6}.modal-close-icon:hover{opacity:1}