:root{--ink:#17211d;--muted:#75807a;--line:#e5e9e6;--paper:#f4f6f3;--card:#fff;--green:#1f6b50;--lime:#cbe36b;--red:#a7505e;--shadow:0 12px 35px rgba(35,52,44,.09)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.shell{min-height:100vh;display:grid;grid-template-columns:224px 1fr}.side{position:-webkit-sticky;position:sticky;top:0;height:100vh;background:#183c31;color:white;padding:28px 18px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 28px}.mark{width:36px;height:36px;border-radius:11px;background:var(--lime);color:#183c31;display:grid;place-items:center;font-weight:900}.brand small{display:block;color:#abc1b9;font-size:10px}.nav{display:grid;grid-gap:5px;gap:5px}.nav a{color:#abc1b9;text-decoration:none;padding:12px 13px;border-radius:11px}.nav a.active,.nav a:hover{background:#285044;color:#fff}.account{margin-top:auto;border-top:1px solid #31564a;padding-top:16px}.account button{width:100%;border:0;background:#21493d;color:white;padding:10px;border-radius:9px}.main{padding:28px 34px 60px;min-width:0}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.top h1{font-family:Georgia,Songti SC,serif;font-size:27px;margin:0 0 4px}.muted,.top p{color:var(--muted);font-size:12px;margin:0}.danger,.primary,.secondary{border:0;border-radius:10px;padding:10px 14px}.primary{background:var(--green);color:white}.secondary{background:white;border:1px solid var(--line)}.danger{background:#f8e9eb;color:var(--red)}.stats{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px;gap:14px;margin-bottom:18px}.card,.panel,.stat{background:white;border:1px solid var(--line);border-radius:16px}.stat{padding:17px}.stat small{color:var(--muted)}.stat b{display:block;font:28px Georgia;margin-top:10px}.grid{display:grid;grid-template-columns:1.35fr .85fr;grid-gap:17px;gap:17px}.panel{padding:19px}.actions,.panel-head,.row{display:flex;justify-content:space-between;align-items:center;gap:10px}.panel-head{margin-bottom:14px}.panel-head h3{margin:0;font-size:15px}.list{display:grid;grid-gap:9px;gap:9px}.card{padding:14px;cursor:pointer}.card:hover{border-color:#aec9bc;box-shadow:var(--shadow)}.card h4{margin:0 0 5px}.card p{margin:3px 0;color:var(--muted);font-size:11px}.tag{font-size:10px;padding:4px 7px;border-radius:7px;background:#eef5ef;color:var(--green)}.board{display:grid;grid-template-columns:repeat(4,minmax(230px,1fr));grid-gap:12px;gap:12px;overflow:auto}.column{background:#edf0ed;border-radius:14px;padding:12px;min-height:430px}.column-head{display:flex;justify-content:space-between;margin-bottom:11px;font-size:12px;font-weight:700}.tabs{display:flex;gap:7px;margin-bottom:16px;flex-wrap:wrap}.tab{border:1px solid var(--line);background:white;border-radius:9px;padding:8px 12px}.tab.on{background:#e3eee8;color:var(--green)}.empty{text-align:center;padding:38px 15px;border:1px dashed #cbd5d0;border-radius:12px;color:var(--muted);font-size:12px}.modal-bg{position:fixed;inset:0;background:#0e241d80;display:grid;place-items:center;padding:20px;z-index:20}.modal{background:white;border-radius:18px;padding:23px;width:min(560px,100%);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}.modal h3{margin:0 0 5px}.form{display:grid;grid-gap:12px;gap:12px}.form label{font-size:11px;color:#53605a}.form input,.form select,.form textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px;background:white;margin-top:5px}.form textarea{min-height:80px;resize:vertical}.two{display:grid;grid-template-columns:1fr 1fr;grid-gap:11px;gap:11px}.error,.success{padding:10px;border-radius:9px;font-size:12px}.error{background:#f9e9eb;color:#9a4351}.success{background:#e7f4ec;color:var(--green)}.auth-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-hero{background:#183c31;color:white;padding:10vw;display:flex;justify-content:center;flex-direction:column}.auth-hero h1{font:45px Georgia;margin:15px 0}.auth-hero p{color:#bad0c8;line-height:1.7}.auth-box{display:grid;place-items:center;padding:25px}.auth-card{width:min(420px,100%);background:white;padding:30px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}.auth-card h2{margin-top:0}.auth-card a{color:var(--green)}.upload{display:block;border:1.5px dashed #b7cac0;border-radius:12px;padding:18px;text-align:center;background:#f8faf8}.ai{background:#183c31;color:white;border-radius:14px;padding:17px}.ai li,.ai p{color:#d2e1db;font-size:12px;line-height:1.6}.config{max-width:720px;margin:50px auto;background:white;border:1px solid var(--line);border-radius:18px;padding:25px}.config code{background:#edf1ee;padding:2px 5px;border-radius:5px}@media(max-width:900px){.shell{grid-template-columns:76px 1fr}.account span,.brand div:last-child,.nav span{display:none}.main{padding:22px}.stats{grid-template-columns:1fr 1fr}.auth-page,.grid{grid-template-columns:1fr}.auth-hero{display:none}}@media(max-width:600px){.shell{display:block}.side{position:static;height:auto;padding:10px}.brand{display:none}.nav{display:flex;overflow:auto}.nav a{white-space:nowrap}.account{display:none}.main{padding:16px}.stats{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}.top{align-items:flex-start}.board{grid-template-columns:repeat(4,260px)}}.focus-card{position:relative;overflow:hidden;background:linear-gradient(115deg,#fbfcf8,#edf3de);border:1px solid #dfe6d4;border-radius:20px;padding:26px 29px;margin-bottom:18px;cursor:pointer}.focus-card:hover{box-shadow:var(--shadow)}.focus-card small{color:var(--green);font-weight:800;letter-spacing:1.2px}.focus-card h2{font:23px Georgia;margin:8px 0}.focus-card p{color:var(--muted);font-size:12px}.stat{position:relative}.stat em{display:block;color:var(--muted);font-size:9px;font-style:normal;margin-top:5px}.tooltip:after{content:attr(data-tip);white-space:pre-line;position:absolute;left:8px;right:8px;top:calc(100% + 7px);background:#183c31;color:white;border-radius:9px;padding:10px;font-size:10px;line-height:1.6;opacity:0;visibility:hidden;z-index:8;box-shadow:var(--shadow)}.tooltip:hover:after{opacity:1;visibility:visible}.example{display:inline-block;margin-left:6px;background:#fff1d1;color:#98651d;border-radius:6px;padding:2px 5px;font-size:8px;vertical-align:middle}.open{color:var(--green);font-size:10px}.opportunity{margin-bottom:9px}.drag-title{display:flex;justify-content:space-between;cursor:move;border-bottom:1px solid var(--line);padding-bottom:12px!important;margin-bottom:15px!important}.drag-title small{font:9px sans-serif;color:var(--muted)}.library{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:13px;gap:13px}.material-card{background:white;border:1px solid var(--line);border-radius:16px;padding:18px;cursor:pointer}.material-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.material-card h3{font-size:14px}.material-card p{color:var(--muted);font-size:11px}.file-icon{width:42px;height:42px;border-radius:11px;background:#eef4dd;display:grid;place-items:center;font-size:20px}.files{margin-top:14px}.review-tabs{display:flex;gap:7px;margin-bottom:15px}.review-tabs button{border:1px solid var(--line);background:white;border-radius:9px;padding:9px 14px}.review-tabs button.on{background:var(--green);color:white}.review-card{display:grid;grid-template-columns:1fr auto;grid-gap:12px;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.review-card h4{margin:0 0 6px}.review-card p{margin:3px 0;color:var(--muted);font-size:11px}.result{background:#f7e8ea;color:#9b5964;border-radius:8px;padding:5px 8px;height:max-content;font-size:10px}.ai button{border:0;background:var(--lime);color:#183c31;border-radius:8px;padding:9px 11px}.ai small{display:block;margin-top:12px;color:#9db6ad}.task-row{display:grid;grid-template-columns:20px 1fr auto;grid-gap:10px;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:11px}.task-row div{cursor:pointer}.task-row h4{margin:0 0 4px}.task-row p{margin:0;color:var(--muted);font-size:10px}@media(max-width:800px){.library{grid-template-columns:1fr 1fr}}@media(max-width:520px){.library{grid-template-columns:1fr}}.three-selects{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:7px;gap:7px}.three-selects select{border:1px solid var(--line);border-radius:9px;padding:10px;background:white}.subfilters{display:flex;gap:6px;align-items:center;margin:-8px 0 13px 12px;flex-wrap:wrap}.subfilters button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;font-size:10px}.subfilters button.on{background:#e5efe9;color:var(--green)}.category-tree{display:grid;grid-gap:12px;gap:12px}.tree-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px}.tree-toolbar span{font-size:10px;color:var(--muted)}.tree-l1{border:1px solid var(--line);border-radius:12px;padding:11px}.tree-row{display:flex;align-items:center;gap:7px}.tree-row b,.tree-row span{cursor:pointer;flex:1 1}.tree-row button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:5px 8px;font-size:9px}.tree-row .danger-text{color:#a7505e}.tree-children{margin:9px 0 0 17px;display:grid;grid-gap:8px;gap:8px}.tree-l2{border-left:2px solid #d9e5df;padding-left:10px}.tree-leaves{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}.leaf{display:flex;gap:5px;align-items:center;background:#eef5ef;color:var(--green);border-radius:7px;padding:5px 7px;font-size:9px}.leaf i{font-style:normal;cursor:pointer}.leaf button{border:0;background:none;color:#a7505e;padding:0}@media(max-width:600px){.three-selects{grid-template-columns:1fr}}