:root{--ink:#18352f;--muted:#74837d;--green:#196e58;--green-soft:#edf7f1;--line:#e5ebe6;--paper:#f6f8f5;--orange:#b97024;--red:#bc433f;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid #dce5de;background:#fff;border-radius:8px;padding:9px 15px;color:var(--ink);transition:background .15s}button:hover{background:#edf3ef}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #8fc5a6;outline-offset:3px}input,select,textarea{width:100%;border:1px solid #d7e1d9;border-radius:8px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #196e5812}textarea{min-height:80px;resize:vertical}label{display:block;font-size:13px;font-weight:600;margin:17px 0 0}label input,label select,label textarea{display:block;margin-top:8px;font-weight:400}h1,h2,h3,p{margin-top:0}h1{font-size:29px;letter-spacing:-1px;margin-bottom:10px}h2{font-size:21px;margin-bottom:10px}h3{font-size:16px;margin:0}small{font-size:12px}.muted{color:var(--muted);line-height:1.8}.eyebrow{color:var(--muted);font-size:11px;letter-spacing:2px;font-weight:600;margin-bottom:14px}.primary{background:var(--green);border-color:var(--green);color:white}.primary:hover{background:#145c49}.wide{width:100%;display:flex;justify-content:space-between}.text-button{background:none;border:none;padding:5px;color:var(--muted);font-size:12px}.text-button:hover{color:var(--green);background:transparent}.icon-button{background:transparent;border:none;padding:6px 10px;font-size:20px}.danger{color:var(--red)}.error{color:var(--red);line-height:1.7;white-space:pre-wrap}.error:empty{display:none}.wordmark{display:flex;align-items:center;gap:10px;font-weight:700;font-size:21px;letter-spacing:1px}.wordmark small{display:block;letter-spacing:2px;font-size:10px;font-weight:400;color:var(--muted);margin-top:5px}.login-screen{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.login-story{background:#123d35;color:#fff;padding:52px 10%;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh}.login-story .wordmark{font-size:23px}.login-story h1{font-size:44px;line-height:1.5;letter-spacing:1px}.login-story p:not(.eyebrow){color:#b6cdc4;line-height:2}.login-story .eyebrow{color:#b2ccbb}.story-lines{margin-top:42px;display:flex;gap:25px;font-size:11px;color:#c1d7c8}.login-story small{color:#90b1a0}.login-panel{display:flex;align-items:center;justify-content:center;padding:36px}.login-panel form{max-width:370px;width:100%}.login-panel h2{font-size:29px}.login-panel .primary{margin-top:27px;padding:13px}.back-link{display:inline-block;color:var(--muted);font-size:12px;margin-top:32px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:220px;padding:32px 20px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:10}.sidebar .wordmark{font-size:20px;padding-left:5px}.nav-label{font-size:10px;letter-spacing:2px;color:#8f9a93;margin:43px 14px 13px}.sidebar nav{display:grid;gap:6px}.nav-item{display:flex;align-items:center;gap:13px;padding:13px 14px;color:#75847a;font-size:13px;border-radius:8px}.nav-item:hover{background:#f5f8f4}.nav-item.active{color:var(--green);background:var(--green-soft);font-weight:700}.nav-icon{width:19px;font-size:18px;text-align:center}.sidebar-bottom{margin-top:auto;padding-top:35px;font-size:10px;color:var(--muted);line-height:2}.sidebar-bottom a{display:block;padding-top:10px}.connection-dot{display:inline-block;width:6px;height:6px;background:#49a475;border-radius:100%;margin-right:7px}.workspace{grid-column:2;min-width:0}.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 38px;border-bottom:1px solid var(--line);background:#fff}.topbar-title{font-size:10px;letter-spacing:1.5px;color:#7a8a80}.topbar-title span{color:#c5cec7;margin:0 10px}.user-area{display:flex;gap:15px;align-items:center;font-size:12px}.role-label{margin-left:9px;font-size:10px;background:#eff3ee;padding:4px 7px;border-radius:5px;color:#64756a}#menu{display:none}main{max-width:1500px;margin:auto;padding:34px 38px 40px;min-height:calc(100vh - 130px)}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.page-heading p{margin-bottom:0}.page-heading .eyebrow{margin-bottom:8px;font-size:10px}.heading-actions{display:flex;align-items:center;gap:10px}.date-stamp{font-size:12px;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin:24px 0}.metric{background:#fff;border:1px solid var(--line);border-radius:12px;padding:21px 23px;position:relative}.metric p{color:var(--muted);font-size:12px;margin-bottom:15px}.metric strong{font-size:30px;font-weight:600;letter-spacing:-1px}.metric small{font-size:12px;color:var(--muted);margin-left:7px}.metric .metric-foot{font-size:10px;color:#93a095;margin-top:13px;margin-bottom:0}.metric-icon{position:absolute;right:20px;top:17px;color:#79a58c;font-size:21px}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:22px}.panel-head{padding:22px 24px;display:flex;justify-content:space-between;gap:15px;align-items:center;border-bottom:1px solid var(--line)}.panel-head p{font-size:12px;color:var(--muted);margin:7px 0 0}.panel-head .pill{margin-left:9px}.panel-body{padding:24px}.welcome{background:#e8f1e7;border:1px solid #d9e7d7;border-radius:13px;padding:26px 28px;display:flex;gap:20px;align-items:center;justify-content:space-between}.welcome h2{font-size:22px;margin-bottom:9px}.welcome p{font-size:13px;color:#667e6c;margin:0;line-height:1.9}.welcome .eyebrow{color:#80967e;font-size:10px;margin-bottom:10px}.welcome-mark{font-size:58px;color:#98b292;margin:0 20px}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:23px 0}.toolbar input,.toolbar select{width:auto;min-width:140px;max-width:250px;background:#fff;padding:10px 12px;font-size:12px}.toolbar .search{min-width:210px}.toolbar label{margin:0;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}.toolbar label input{margin:0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;text-align:left;font-size:12px}th{color:#8b998f;background:#fafbf8;font-size:11px;font-weight:500;padding:13px 23px;border-bottom:1px solid var(--line)}td{padding:16px 23px;border-bottom:1px solid #eff2ec;color:#52665a;max-width:350px}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fcfdfb}td strong{color:var(--ink);font-weight:600}td .secondary{display:block;color:#98a499;font-size:10px;margin-top:5px}td .text-button{color:var(--green);font-size:12px;margin-right:8px}td .danger{color:var(--red)}.pill{display:inline-flex;align-items:center;font-size:10px;border-radius:5px;padding:5px 8px;gap:5px;background:#edf6ef;color:#4a8060}.pill.warn{background:#fff4e4;color:#b07c35}.pill.bad{background:#fcefee;color:#b9514d}.pill.gray{background:#f0f2ef;color:#909b92}.balance{font-size:17px;font-weight:600;color:var(--green)}.balance.low{color:var(--orange)}.balance.debt{color:var(--red)}.note{background:#f7f9f5;border:1px solid var(--line);border-radius:8px;padding:13px 16px;color:#7a8c7d;font-size:12px;line-height:1.9;margin:18px 0}.note.warning{background:#fff8ed;border-color:#f2e5c9;color:#9b753e}.empty{text-align:center;padding:48px 25px;color:#8b9b8e;line-height:1.9}.empty .empty-mark{font-size:30px;display:block;color:#a8bda9;margin-bottom:10px}.empty strong{display:block;color:#667f6c;font-size:14px;margin-bottom:6px}.empty button{margin-top:18px}.pagination{display:flex;justify-content:flex-end;align-items:center;gap:15px;padding:14px 23px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.pagination button{font-size:11px;padding:5px 10px}.tabs{display:flex;gap:8px;margin:20px 0}.tabs button{font-size:12px}.tabs .selected{background:var(--green);color:#fff;border-color:var(--green)}.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.subtle-link{font-size:12px;color:var(--green)}.summary-strip{display:flex;gap:28px;align-items:center;flex-wrap:wrap;padding:20px 24px;background:#f8faf6;border-bottom:1px solid var(--line)}.summary-strip strong{font-size:19px;margin-left:10px}.summary-strip span{font-size:12px;color:#7d8c80}.app-footer{padding:0 38px 20px;display:flex;justify-content:space-between;color:#a1ada2;font-size:10px}dialog{width:600px;max-width:calc(100vw - 28px);max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:15px;padding:0;color:var(--ink);box-shadow:0 25px 100px #163e3526}dialog::backdrop{background:#122b2466;backdrop-filter:blur(3px)}#editor-form{padding:27px 30px}dialog .dialog-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:19px}.dialog-head h2{margin-bottom:0}.dialog-head .eyebrow{font-size:10px;margin-bottom:9px}.dialog-head .icon-button{font-size:26px;margin-top:-10px;margin-right:-10px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-row.three{grid-template-columns:1fr 1fr 1fr}.form-hint{font-size:11px;color:var(--muted);line-height:1.8;margin-top:8px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px;border-top:1px solid var(--line);padding-top:20px}.student-picker{margin-top:12px}.student-picker input[type=search]{font-size:12px}.checklist{max-height:210px;overflow:auto;border:1px solid var(--line);border-radius:8px;margin-top:10px;padding:4px 12px}.check-row{display:flex;align-items:center;gap:10px;font-weight:400;margin:0;padding:12px 0;border-bottom:1px solid #f0f3ed;font-size:12px}.check-row:last-child{border:0}.check-row input{width:16px;height:16px;accent-color:var(--green);margin:0}.check-row .pill{margin-left:auto}.check-row small{color:var(--muted);font-size:10px}.check-row[hidden]{display:none}.confirm-body{padding:28px 30px}#confirmation{width:480px}.preview-list{line-height:2;font-size:13px}.preview-list li{margin-bottom:7px}.preview-list small{color:var(--muted)}.preview-students{max-height:240px;overflow:auto}.audit-detail{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:12px;line-height:1.8}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#193f35;color:#fff;padding:13px 23px;border-radius:10px;box-shadow:0 6px 25px #123d3526;z-index:100;font-size:13px;max-width:90vw}#toast.failure{background:#9e4641}[hidden]{display:none!important}
@media(min-width:1500px){main{padding-top:42px}}@media(max-width:1100px){.sidebar{width:185px;padding:27px 15px}.shell{grid-template-columns:185px 1fr}.topbar{padding:0 25px}main{padding:28px 25px}.metrics{gap:10px}.metric{padding:18px 15px}.metric strong{font-size:25px}td,th{padding-left:17px;padding-right:17px}.metric-icon{display:none}.welcome-mark{display:none}.story-lines{flex-direction:column;gap:13px}.split{grid-template-columns:1fr}}@media(max-width:760px){.shell{display:block}.sidebar{transform:translateX(-100%);transition:transform .15s;width:220px;box-shadow:15px 0 40px #18352f10}.shell.menu-open .sidebar{transform:translateX(0)}.topbar{height:62px;padding:0 16px;position:sticky;top:0;z-index:9}.topbar-title{display:none}#menu{display:block}.user-area{gap:10px}.role-label{margin-left:4px}.workspace{width:100%}main{padding:24px 16px;min-height:calc(100vh - 105px)}h1{font-size:24px}.page-heading{margin-bottom:22px;align-items:flex-start}.page-heading .muted{font-size:12px}.heading-actions{flex-shrink:0}.date-stamp{display:none}.metrics{grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}.metric{padding:17px}.metric p{font-size:11px;margin-bottom:10px}.metric .metric-foot{font-size:9px}.welcome{padding:21px}.welcome h2{font-size:19px}.welcome p{font-size:12px}.welcome .primary{font-size:12px;padding:10px;flex-shrink:0}.panel-head{padding:18px 16px}.panel-head h3{font-size:14px}.panel-head p{font-size:11px}.panel-body{padding:18px}.toolbar{gap:9px}.toolbar input,.toolbar select{min-width:120px;max-width:100%;flex:1}.toolbar .search{min-width:150px}.toolbar label{width:100%}.toolbar label input{flex:1}.app-footer{padding:0 16px 16px;font-size:9px}.app-footer span{display:none}.login-screen{grid-template-columns:1fr}.login-story{padding:30px;min-height:auto;gap:35px}.login-story h1{font-size:30px;margin-bottom:0}.login-story p:not(.eyebrow),.story-lines,.login-story>small{display:none}.login-panel{padding:35px 28px 50px}.login-panel h2{font-size:24px}.form-row.three{grid-template-columns:1fr 1fr}.form-row.three label:first-child{grid-column:1/-1}#editor-form,.confirm-body{padding:22px}.summary-strip{gap:20px;padding:18px}.tabs{flex-wrap:wrap}.pagination{padding:13px 15px}.login-story .eyebrow{font-size:9px}}