:root{--ink:#182b2b;--muted:#73807e;--green:#176757;--line:#e3e9e5;--paper:#f4f6f2;--red:#bd4a39}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei UI","Microsoft YaHei",sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer;transition:background .15s}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #d4ad56;outline-offset:2px}button{border:1px solid var(--line);border-radius:7px;background:white;padding:9px 15px;color:var(--ink)}button:hover{background:#eef3ef}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#105143}.danger{color:var(--red)}.small{font-size:12px;padding:6px 10px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:#173c35;color:#dce6e1;padding:30px 18px;display:flex;flex-direction:column;position:fixed;width:220px;height:100vh}.brand{display:flex;gap:12px;align-items:center;margin:0 8px 42px}.mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid #8ca98a;border-radius:10px;color:#e6d394;font-size:20px;font-weight:bold}.brand strong{display:block;font-size:19px;color:#fff;letter-spacing:2px}.brand small{font-size:10px;letter-spacing:2px;color:#9fb9ac}.nav-label{font-size:11px;color:#8ba79c;margin:12px 12px}.nav{display:flex;flex-direction:column;gap:6px}.nav button{background:transparent;border:0;color:#b9d0c5;text-align:left;padding:13px 16px;display:flex;gap:13px;align-items:center}.nav button.active{background:#30554a;color:white}.nav button:hover{background:#254b41}.nav-icon{font-size:18px;width:22px}.sidebar-bottom{margin-top:auto;border-top:1px solid #3a584f;padding-top:20px}.profile{display:flex;gap:10px;align-items:center;margin-bottom:13px}.avatar{background:#d9e5d8;color:#315547;border-radius:50%;width:34px;height:34px;display:grid;place-items:center}.sidebar-bottom small{color:#94ada0}.sidebar-bottom button{background:transparent;border-color:#426056;color:#dce6e1;margin:4px;font-size:12px;padding:5px 8px}.main{grid-column:2;padding:32px 38px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);margin:0 0 9px}h1{font-size:27px;letter-spacing:1px;font-weight:600;margin:0 0 9px}h2{font-size:18px;font-weight:600;margin:0}h3{font-size:15px;margin:0 0 16px}.muted{color:var(--muted);font-size:13px}.actions{display:flex;gap:10px;align-items:center}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px}.stat{background:white;border:1px solid var(--line);border-radius:10px;text-align:left;padding:20px;position:relative}.stat .number{font-family:Georgia,serif;font-size:38px;display:block;margin:10px 0 7px}.stat.emphasis{background:#e9efe3;border-color:#d8e1d1}.stat.alert .number{color:var(--red)}.stat small{color:var(--muted);font-size:11px}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.panel-title{padding:21px 23px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.filters{padding:16px 22px;display:flex;gap:10px;flex-wrap:wrap;border-bottom:1px solid var(--line)}.filters input{flex:1;min-width:190px;max-width:340px}.filters select{width:auto;min-width:110px}input,select,textarea{background:#fff;border:1px solid #dce3de;border-radius:6px;padding:10px 11px;color:var(--ink);width:100%;outline:none}input:focus,select:focus,textarea:focus{border-color:#498a74;box-shadow:0 0 0 2px #e3eee5}textarea{resize:vertical;min-height:85px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:nowrap;font-size:13px}th{font-size:11px;font-weight:500;color:#738079;background:#fafbf9;text-align:left;padding:13px 19px;border-bottom:1px solid var(--line)}td{padding:18px 19px;border-bottom:1px solid #edf0ec}tr:last-child td{border:0}tbody tr:hover{background:#fafcf8}.customer-button{padding:0;border:0;background:transparent;text-align:left;font-weight:600}.customer-button:hover{color:var(--green);background:transparent}.subline{font-size:11px;color:var(--muted);margin-top:5px;max-width:190px;overflow:hidden;text-overflow:ellipsis}.badge{display:inline-block;padding:4px 9px;border-radius:4px;background:#eef1ee;font-size:11px;color:#6a766c}.grade-A{background:#dfecdf;color:#386b37}.grade-B{background:#faf0d8;color:#9e7525}.grade-C{background:#e9edef;color:#687580}.red{color:var(--red)}.rowalert{background:#fff0e9;color:#ae513a}.empty{padding:70px 20px;text-align:center;color:var(--muted)}.empty strong{display:block;color:var(--ink);font-size:17px;margin-bottom:12px}.table-footer{padding:14px 22px;color:var(--muted);font-size:11px}.tip{padding:14px 0;font-size:12px;color:var(--muted);line-height:1.8}.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.login-art{padding:8vw;background:#173c35;color:#e7eee6;display:flex;flex-direction:column;justify-content:center}.login-art .brand{margin:0 0 70px}.login-art h1{font-size:42px;line-height:1.5;letter-spacing:4px}.login-art p{color:#aec3b7;line-height:2}.login-art .decor{font-family:Georgia,serif;font-size:130px;color:#416356;margin-top:40px;letter-spacing:-10px}.login-form{align-self:center;width:360px;max-width:85%;margin:auto}.login-form h2{font-size:25px;margin-bottom:12px}.login-form label{display:block;margin:22px 0 8px;font-size:12px}.login-form button{width:100%;margin-top:25px;padding:12px}.error{color:var(--red);font-size:12px;min-height:18px;line-height:1.6;margin-top:12px}.demo{background:#faf0d8;color:#85641f;padding:9px 15px;border-radius:6px;font-size:12px;margin-bottom:16px}dialog{border:1px solid var(--line);border-radius:12px;box-shadow:0 24px 90px #112a2830;padding:0;width:680px;max-width:94vw;max-height:90vh}dialog::backdrop{background:#142d2a65}dialog.wide{width:1050px}.modal-head{padding:22px 26px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.modal-body{padding:24px 26px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-size:12px;margin-bottom:7px;color:#516159}.span2{grid-column:1/-1}.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding-top:22px}.detail-grid{display:grid;grid-template-columns:330px 1fr;gap:30px}.detail-meta{background:#f6f8f4;border-radius:8px;padding:20px}.detail-meta dl{margin:0}.detail-meta dt{font-size:11px;color:var(--muted);margin:14px 0 5px}.detail-meta dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.detail-actions{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.timeline{padding-left:18px;border-left:2px solid #e3e9df}.entry{margin:0 0 22px;position:relative}.entry:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#668773;left:-23px;top:4px}.entry p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:13px;margin:8px 0}.entry .meta{font-size:11px;color:var(--muted)}.files{display:flex;flex-direction:column;gap:9px;margin:12px 0}.files a{font-size:12px;color:var(--green);overflow-wrap:anywhere}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#183e34;color:white;padding:13px 24px;border-radius:8px;display:none;z-index:10;box-shadow:0 8px 30px #0002}#toast.show{display:block}.setting{max-width:640px;padding:28px}.setting p{line-height:1.8;color:#6e7b73}.setting input{width:120px;margin-right:10px}.setting .rule{padding:18px 0;border-top:1px solid var(--line)}.count-pill{background:#e9eee7;color:#617259;border-radius:20px;padding:4px 10px;font-size:11px}#refresh-note{font-size:11px;color:var(--muted)}@media(max-width:1100px){.sidebar{width:180px}.shell{grid-template-columns:180px 1fr}.main{padding:25px 22px}.stats{gap:10px}.stat{padding:15px}.detail-grid{grid-template-columns:280px 1fr}}@media(max-width:760px){.sidebar{position:static;width:auto;height:auto;padding:14px}.sidebar .brand,.nav-label,.sidebar-bottom{display:none}.nav{flex-direction:row;overflow:auto}.nav button{white-space:nowrap;padding:10px}.shell{display:block}.main{padding:20px 14px}.stats{grid-template-columns:1fr 1fr}.topbar{gap:15px;align-items:flex-start}.topbar .actions{flex-direction:column;align-items:flex-end}.detail-grid,.form-grid{grid-template-columns:1fr}.span2{grid-column:auto}.login{display:block}.login-art{display:none}.login-form{padding-top:20vh}.modal-body{padding:20px}.detail-meta{padding:15px}}

.grade-help{font-size:12px;color:#73807e;line-height:1.7;margin:8px 0 0}
.modal-head{position:sticky;top:0;background:#fff;z-index:2}

.pagination{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}.pagination select{width:80px;padding:6px}.check-option{display:flex;align-items:flex-start;gap:10px;line-height:1.8;margin:22px 0}.check-option input{width:auto;margin-top:6px;accent-color:#176757}.transfer-summary{line-height:1.8;margin:0 0 20px}

.table-wrap{max-height:max(260px,calc(100vh - 420px))}.table-wrap th{position:sticky;top:0;z-index:1}

.assignment-list{max-height:45vh;overflow:auto}.assignment-list .entry{padding:12px 0;border-bottom:1px solid var(--line,#dfe7e4)}

.chat-screenshot{display:block;max-width:100%;height:auto;border:1px solid #dfe7e4;border-radius:6px}.field .chat-screenshot{max-height:360px;object-fit:contain;object-position:left top}

.handoff-banner{position:fixed;bottom:16px;right:24px;z-index:100;background:#fff1e7;border:2px solid #b34d24;box-shadow:0 8px 30px #0002;padding:16px;display:flex;gap:16px;align-items:center;max-width:90vw}.handoff-banner[hidden]{display:none}.customer-picker{max-height:300px;overflow:auto;border:1px solid #d8e1dd;padding:12px}.customer-picker label{display:block;padding:8px}
@media(min-width:761px){.sidebar .brand,.sidebar .nav-label,.sidebar-bottom{flex-shrink:0}.sidebar .brand{margin-bottom:24px}.sidebar .nav{flex:1;min-height:0;overflow-y:auto}.sidebar-bottom{margin-top:16px}}

.consent{display:flex;align-items:flex-start;gap:8px;margin:10px 0}.consent input[type=checkbox]{width:auto;flex-shrink:0;margin-top:3px}
.attachment{margin-bottom:18px}.attachment-preview{display:block;padding:0;margin-top:8px;overflow:hidden;width:100%;border:1px solid #d8e1dd;text-align:center;background:#f5f8f6;cursor:zoom-in}.attachment-preview img{width:100%;max-height:260px;object-fit:contain;border:0}.attachment-preview span{display:block;padding:8px;font-size:12px;color:#176956}
dialog.image-viewer{width:96vw;max-width:1600px;height:94vh;max-height:94vh;padding:0;background:#f1f4f3;color:#163b34;overflow:hidden}dialog.image-viewer[open]{display:flex;flex-direction:column}dialog.image-viewer::backdrop{background:#071a17d9}.image-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px;background:#fff}.image-toolbar strong{overflow-wrap:anywhere;min-width:0;flex:1}.image-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.image-controls a{padding:8px;color:#176956}.image-hint{margin:0;padding:8px 16px;color:#667b74;font-size:12px}.image-viewport{flex:1;min-height:0;overflow:auto;cursor:grab;touch-action:none;overscroll-behavior:contain}.image-viewport.dragging{cursor:grabbing}.image-canvas{min-width:100%;min-height:100%;width:max-content;height:max-content;display:flex;justify-content:center;align-items:center;padding:16px;box-sizing:border-box}.image-canvas img{display:block;max-width:none;flex:none;user-select:none;-webkit-user-drag:none}.image-canvas img[hidden]{display:none}#image-error{margin:0;padding:8px 16px;color:#a33}

#desktop-bridge-status{position:fixed;top:16px;right:24px;max-width:430px;padding:14px;background:#fff1e7;border:2px solid #b34d24;color:#6f341c;z-index:1000;box-shadow:0 8px 30px #0002}