*{box-sizing:border-box;margin:0;padding:0}:root{--dalu-primary:#f59e0b;--dalu-secondary:#3b82f6;--dalu-dark:#1f2937;--dalu-light:#f3f4f6;--dalu-border:#e5e7eb;--dalu-text:#374151;--dalu-text-light:#6b7280;--header-height:60px;--sidebar-width:300px;--task-height:40px;--row-gap:8px;--color-fve-residential:#f59e0b;--color-fve-commercial:#f97316;--color-service:#3b82f6;--color-wind:#06b6d4;--color-battery:#8b5cf6}body{color:var(--dalu-text);background-color:#f9fafb;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;overflow:hidden}#app{flex-direction:column;width:100vw;height:100vh;display:flex}.app-header{height:var(--header-height);color:#fff;z-index:100;background:linear-gradient(135deg,#1f2937 0%,#374151 100%);justify-content:space-between;align-items:center;padding:0 24px;display:flex;box-shadow:0 2px 4px #0000001a}.app-header-left{align-items:center;gap:16px;display:flex}.app-logo{color:var(--dalu-primary);align-items:center;gap:8px;font-size:24px;font-weight:700;display:flex}.app-logo span{color:#fff}.app-subtitle{color:#9ca3af;border-left:1px solid #4b5563;padding-left:16px;font-size:14px}.app-header-right{align-items:center;gap:12px;display:flex}.btn{cursor:pointer;border:none;border-radius:6px;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s;display:inline-flex}.btn:hover{transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.btn-primary{background-color:var(--dalu-primary);color:#fff}.btn-primary:hover{background-color:#d97706}.btn-secondary{color:#fff;background-color:#4b5563}.btn-secondary:hover{background-color:#374151}.btn-icon{justify-content:center;min-width:36px;padding:8px}.main-content{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);border-right:1px solid 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var(--row-gap));align-items:center;display:flex;position:relative}.task-row:nth-child(2n){background:#00000003}.task-row:hover{background:#3b82f60d}.task-bar{color:#fff;cursor:grab;white-space:nowrap;text-overflow:ellipsis;-webkit-user-select:none;user-select:none;z-index:5;border-radius:6px;align-items:center;height:32px;padding:0 12px;font-size:12px;font-weight:500;transition:box-shadow .2s,transform .1s;display:flex;position:absolute;overflow:visible;box-shadow:0 1px 3px #0000001a}.task-bar.milestone{border-radius:8px;min-width:36px;height:36px;padding:0;overflow:visible;box-shadow:0 0 0 2px #1f2937,0 6px 10px #11182747;background:#111827!important;border-left:none!important}.milestone-label{color:#1f2937;white-space:nowrap;pointer-events:none;background:#ffffffe6;border:1px solid #e5e7eb;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600;position:absolute;top:50%;left:44px;transform:translateY(-50%)}.task-bar.link-source{box-shadow:0 0 0 3px #3b82f673,0 4px 6px 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