:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#233331;background:#f6f8f7;font-synthesis:none;--green:#176b58;--muted:#7b8884;--border:#e1e7e3}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:3px}button{cursor:pointer;border:1px solid var(--border);border-radius:9px;padding:10px 15px;background:white;color:inherit}button:hover{background:#edf4f0}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--green)}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#115240}.quiet{background:transparent;border:0}.muted{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);font-weight:700}.shell{display:grid;grid-template-columns:224px 1fr;min-height:100vh}.sidebar{padding:30px 20px;background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:750;letter-spacing:1px}.brand-icon{background:var(--green);color:white;border-radius:12px;width:37px;height:37px;display:grid;place-items:center}.brand-sub{font-size:11px;color:var(--muted);margin:10px 0 48px 48px}.nav{display:flex;flex-direction:column;gap:9px}.nav button{text-align:left;border:0;padding:13px 16px}.nav .active{background:#eaf3ee;color:var(--green);font-weight:650}.side-bottom{margin-top:auto;font-size:12px;line-height:1.9;color:var(--muted)}.person{display:flex;align-items:center;gap:10px;margin-top:22px;color:#233331}.avatar{width:32px;height:32px;border-radius:50%;background:#e3ece7;color:var(--green);display:inline-grid;place-items:center;flex-shrink:0;font-size:12px;font-weight:700}.main{min-width:0}.topbar{height:76px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 36px;background:#ffffffc9}.tag{font-size:11px;border:1px solid var(--border);border-radius:20px;padding:5px 10px;color:var(--muted);background:white}.workspace{padding:36px;max-width:1450px;margin:auto}.heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:26px}h1{font-size:30px;font-weight:650;letter-spacing:-1px;margin:10px 0}h2{font-size:19px;margin:0 0 13px}p{line-height:1.8}.heading p{font-size:13px;color:var(--muted);margin:0}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:30px}.stat{background:white;border:1px solid var(--border);border-radius:13px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between}.stat span{font-size:13px;color:var(--muted)}.stat strong{font-size:29px;font-weight:550}.filters{display:flex;gap:8px;align-items:center;margin-bottom:20px;flex-wrap:wrap}.filters button{border:0;background:transparent;color:var(--muted);font-size:13px}.filters button.active{background:#e2eee7;color:var(--green)}.search{margin-left:auto;width:230px}.list{display:grid;gap:12px}.task-row{display:grid;grid-template-columns:1fr auto;gap:18px;padding:23px 24px;border:1px solid var(--border);border-radius:13px;background:#fff;cursor:pointer;text-align:left;width:100%}.task-row:hover{border-color:#94b6a5;background:#fff;box-shadow:0 4px 20px #173d2910}.task-row h3{font-size:15px;font-weight:600;margin:0 0 14px;overflow-wrap:anywhere}.meta{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);flex-wrap:wrap}.status{display:inline-flex;align-items:center;gap:5px;font-size:11px;border-radius:5px;padding:4px 7px;background:#e9f3ed;color:#26704c}.status:before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor}.status.wait{background:#fff3de;color:#9e7625}.status.done{background:#edf0f0;color:#7a8882}.empty{padding:65px 20px;text-align:center;color:var(--muted);border:1px dashed var(--border);border-radius:12px;background:white}.chain-header{padding:22px 28px;background:white;border-bottom:1px solid var(--border)}.chain-header h1{font-size:21px;margin:14px 0 8px;overflow-wrap:anywhere}.chain-header .meta{justify-content:space-between}.chain-layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;height:calc(100vh - 210px);min-height:500px}.canvas-wrap{position:relative;overflow:hidden;background-color:#f5f8f5;background-image:radial-gradient(#cddbd3 1px,transparent 1px);background-size:20px 20px;touch-action:none}.canvas{position:absolute;transform-origin:0 0;left:0;top:0}.edges{position:absolute;overflow:visible;pointer-events:none}.edges path{stroke:#b0c4b7;stroke-width:2;fill:none}.node{position:absolute;width:244px;min-height:132px;border:1px solid #d5e0d8;border-radius:12px;background:white;text-align:left;padding:15px;box-shadow:0 4px 12px #294d3510;display:flex;flex-direction:column;gap:12px}.node.selected{border:2px solid var(--green);padding:14px;box-shadow:0 0 0 4px #176b5810}.node .node-title{font-size:13px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.node .meta{font-size:11px;justify-content:space-between}.node .avatar{width:23px;height:23px;font-size:10px}.node-person{display:flex;align-items:center;gap:6px}.canvas-hint{position:absolute;top:18px;left:20px;color:#84988b;font-size:11px;pointer-events:none}.canvas-tools{position:absolute;bottom:22px;left:22px;display:flex;gap:5px;align-items:center;background:white;padding:5px;border:1px solid var(--border);border-radius:11px;box-shadow:0 2px 10px #00000006}.canvas-tools button{padding:6px 10px;border:0}.canvas-tools span{font-size:11px;min-width:35px;text-align:center;color:var(--muted)}.details{padding:25px;background:#fff;border-left:1px solid var(--border);overflow:auto}.details h2{font-size:18px;line-height:1.6;margin:15px 0 20px;overflow-wrap:anywhere}.detail-label{font-size:11px;color:var(--muted);margin-bottom:8px}.detail-owner{display:flex;align-items:center;gap:9px;font-size:13px}.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:23px 0}.detail-actions button{font-size:12px;padding:10px}.detail-actions .primary{grid-column:1/-1}.section{border-top:1px solid var(--border);margin-top:22px;padding-top:21px}.section h3{font-size:12px;font-weight:650;margin:0 0 17px}.event{position:relative;border-left:1px solid #dbe6de;margin-left:5px;padding:0 0 22px 17px;font-size:12px}.event:before{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:#a9bfb1;left:-4px;top:5px}.event p{margin:6px 0;line-height:1.7;overflow-wrap:anywhere;white-space:pre-wrap}.event time{font-size:10px;color:var(--muted)}.file{display:block;padding:9px 0;font-size:12px;overflow-wrap:anywhere}textarea,input,select{width:100%;border:1px solid #dbe3dd;border-radius:8px;padding:11px;background:white;color:#233331}textarea{resize:vertical;min-height:90px;line-height:1.7}label{display:block;font-size:13px;margin:18px 0 8px}form .row{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.small{font-size:11px;color:var(--muted);line-height:1.8}.note-form button{margin-top:8px;width:100%;font-size:12px}dialog{border:1px solid var(--border);border-radius:18px;padding:28px;width:min(510px,calc(100vw - 30px));box-shadow:0 30px 100px #0e302b33}dialog::backdrop{background:#162c2b66;backdrop-filter:blur(3px)}dialog h2{margin:0 0 8px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#203f35;color:white;border-radius:10px;padding:13px 22px;box-shadow:0 8px 40px #0002;z-index:100;display:none;max-width:90vw;font-size:13px}.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.login-story{background:#163e33;color:#fff;padding:10vw 7vw;display:flex;flex-direction:column;justify-content:center}.login-story .eyebrow{color:#a5cbb5}.login-story h1{font-size:48px;line-height:1.4;margin:25px 0}.login-story p{color:#adc4b7;font-size:15px;max-width:360px}.login-box{padding:60px;display:flex;align-items:center;justify-content:center}.login-card{width:340px}.login-card h2{font-size:25px;margin-top:38px}.login-card .primary{display:block;width:100%;text-align:center;text-decoration:none;padding:14px;border-radius:9px;margin:25px 0}.demo-people{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.login-note{font-size:12px;color:var(--muted);margin-top:30px;line-height:1.9}.tree-mini{display:flex;gap:10px;margin-top:38px}.tree-mini span{border:1px solid #719380;border-radius:9px;padding:13px 18px;color:#b9d1c2;font-size:12px}
@media(max-width:1050px){.shell{grid-template-columns:180px 1fr}.sidebar{padding:25px 12px}.workspace{padding:25px}.chain-layout{grid-template-columns:minmax(0,1fr) 300px}.details{padding:18px}.topbar{padding:0 24px}}@media(max-width:760px){.shell{display:block}.sidebar{height:auto;position:relative;padding:14px 18px;border-right:0;border-bottom:1px solid var(--border);display:flex;flex-direction:row;align-items:center;justify-content:space-between}.brand{font-size:17px}.brand-sub,.side-bottom{display:none}.nav{flex-direction:row;gap:0}.nav button{font-size:12px;padding:9px}.topbar{height:49px;padding:0 18px;font-size:12px}.workspace{padding:23px 18px}.heading{align-items:flex-start}h1{font-size:25px}.heading .primary{font-size:12px;padding:10px}.stats{gap:8px;margin-bottom:20px}.stat{padding:14px 12px;display:block}.stat span{font-size:11px}.stat strong{display:block;margin-top:8px;font-size:25px}.search{margin-left:0;width:100%}.task-row{padding:18px;gap:8px}.task-row h3{font-size:14px}.chain-header{padding:16px 18px}.chain-header h1{font-size:18px}.chain-layout{display:flex;flex-direction:column;height:auto;min-height:0}.canvas-wrap{height:420px;flex-shrink:0}.details{border-left:0;border-top:1px solid var(--border);overflow:visible;padding:22px}.login{display:block}.login-story{padding:35px}.login-story h1{font-size:30px;margin:15px 0}.login-story p,.tree-mini{display:none}.login-box{padding:35px 25px}.login-card{width:100%}.login-card h2{margin-top:20px}}