:root{--bg:#f5f6f8;--card:#fff;--ink:#172b32;--muted:#819098;--line:#e7ecef;--green:#137d6b;--green-dark:#0c6355;--green-light:#eaf6f2;--navy:#172f36;--radius:14px;font-family:Inter,"Segoe UI","Noto Sans CJK SC","Microsoft YaHei",sans-serif;font-size:14px;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:30px;font-weight:650;letter-spacing:-.6px}h2{font-size:19px;font-weight:650;letter-spacing:-.2px}h3{font-size:15px}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.7}.eyebrow,.section-index{font-size:10px;letter-spacing:1.8px;color:var(--muted);font-weight:600}.brand{display:flex;gap:12px;align-items:center;font-size:17px;font-weight:650;white-space:nowrap}.brand small{display:block;font-size:8px;letter-spacing:1.6px;font-weight:500;margin-top:5px;opacity:.52}.brand-mark{background:#fff;width:40px;height:40px;display:block;object-fit:contain;flex-shrink:0;border-radius:11px;border:1px solid #e6ebe8}.dashboard{display:grid;grid-template-columns:238px 1fr;min-height:100vh}.sidebar{padding:35px 23px 25px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;width:238px;inset:0 auto 0 0}.nav-label{margin:53px 13px 14px;font-size:11px;color:#9aa6ad}.nav-item{display:flex;align-items:center;gap:13px;padding:15px 13px;margin:3px 0;border-radius:8px;color:#819096;font-size:13px}.nav-item>span:first-child{font-size:19px;line-height:14px;width:20px}.nav-item.active{background:var(--green-light);color:var(--green);font-weight:600}.nav-item:hover{background:#f0f5f5}.external{margin-left:auto;font-size:14px}.sidebar-bottom{margin-top:auto}.server-indicator{display:flex;gap:10px;padding:19px 10px;font-size:11px;line-height:1.6}.server-indicator>i,.connection i,.live-label i{width:6px;height:6px;border-radius:50%;background:#38ab8a;display:inline-block;flex-shrink:0}.server-indicator>i{margin-top:5px}.server-indicator small{display:block;color:#9ba5ab;font-size:9px;margin-top:5px}.logout{padding:15px 12px;border:0;border-top:1px solid var(--line);background:none;color:#839099;width:100%;text-align:left;font-size:11px}main{grid-column:2;padding:38px 42px 20px;max-width:1600px;width:100%;margin:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin:0 0 28px}.page-header h1{margin:9px 0 10px}.page-header p{font-size:12px}.title-dot{color:var(--green);padding-left:3px}.header-status{display:flex;flex-direction:column;align-items:flex-end;gap:9px}.connection{display:flex;gap:7px;align-items:center;font-size:11px;border:1px solid var(--line);border-radius:20px;background:#fff;padding:7px 11px}.connection.offline{color:#af563f}.connection.offline i{background:#d2775c}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:25px}.stat{padding:20px 23px 18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.stat-top{display:flex;justify-content:space-between;align-items:center;color:#849298;font-size:12px}.stat-icon{width:29px;height:29px;border-radius:8px;background:#f3f7f8;display:grid;place-items:center;color:#77938f;font-size:16px}.stat strong{display:block;font-size:29px;font-weight:600;letter-spacing:-.6px;margin:10px 0 9px;line-height:1.25;font-variant-numeric:tabular-nums}.stat-denominator{font-size:19px;color:#aab4b9;font-weight:400}.stat .small{font-size:10px}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(295px,1fr);gap:23px;align-items:stretch}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.card-head{display:flex;justify-content:space-between;align-items:center;padding:24px 24px 20px}.section-index{font-size:9px;letter-spacing:1.3px;display:block;margin-bottom:8px}.badge{font-size:10px;background:#f1f7f5;color:#6c8c82;padding:6px 9px;border-radius:5px}.config-card form{padding:0 24px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{margin-bottom:20px;min-width:0}label{display:block;font-size:12px;font-weight:550;margin-bottom:9px}.label-note{color:#9ba8ac;font-size:10px;font-weight:400;margin-left:8px}input:not([type=checkbox]),textarea,select{width:100%;background:#fcfdfd;border:1px solid #dfe6e9;border-radius:7px;color:var(--ink);padding:11px 12px;outline:none;font-size:12px;line-height:1.45;transition:border-color .15s,box-shadow .15s}textarea{resize:vertical;min-height:94px}input::placeholder,textarea::placeholder{color:#a3aeb4}input:focus,textarea:focus,select:focus{border-color:#63a999;box-shadow:0 0 0 3px #13866e10}input:disabled,textarea:disabled,select:disabled{background:#f2f4f5;color:#8c999f;cursor:not-allowed}.password-wrap{position:relative}.password-wrap input{padding-right:52px}.password-wrap button{position:absolute;right:7px;top:8px;border:0;background:none;color:#8da09f;font-size:10px;padding:5px}.field-hint{display:block;color:#97a4aa;font-size:10px;line-height:1.7;margin-top:8px}.options-row{grid-template-columns:145px 1fr;align-items:center;gap:22px}.safe-defaults{font-size:9px;line-height:2.1;color:#8b9a9f;padding-top:5px}.safe-defaults span{color:#7ba58e;padding-right:5px}.form-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;padding:17px 0 20px}.form-footer>.small{max-width:63%;font-size:10px}.button{border:1px solid transparent;border-radius:7px;min-height:38px;padding:10px 19px;font-size:12px;font-weight:550;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:background .15s,transform .15s;white-space:nowrap}.button:hover:not(:disabled){transform:translateY(-1px)}.button.primary{background:var(--green);color:#fff;box-shadow:0 4px 9px #137d6b10}.button.primary:hover:not(:disabled){background:var(--green-dark)}.button.secondary{background:#fff;border-color:#dbe4e6;color:#496466}.button.danger{background:#fff;border-color:#eee2df;color:#b47665}.button:disabled{cursor:not-allowed;opacity:.4}.full{width:100%}.live-label{font-size:9px;letter-spacing:1.4px;display:flex;gap:6px;align-items:center;color:#5e9a8d}.live-label i{width:5px;height:5px}.progress-card{display:flex;flex-direction:column}.course-progress{flex:1;padding:0 24px 12px;min-height:222px}.empty-state{text-align:center;padding:32px 10px}.empty-icon{font-size:24px;width:49px;height:49px;display:grid;place-items:center;border-radius:13px;color:#8ca89f;background:#f4f8f6;margin:0 auto 15px}.empty-state h3{font-size:12px;color:#6f858a;margin-bottom:9px;font-weight:500}.empty-state p{font-size:10px;color:#a0adb1;line-height:1.9}.course-item{padding:14px 0 19px;border-bottom:1px solid #eff3f4}.course-item:last-child{border:0}.course-title{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:12px}.course-title span{line-height:1.8;overflow-wrap:anywhere}.course-title b{font-size:11px;color:var(--green);white-space:nowrap}.progress-track{background:#eef3f2;border-radius:5px;height:6px;overflow:hidden;margin:12px 0 8px}.progress-fill{height:100%;background:#43a58b;border-radius:5px;transition:width .3s}.course-detail{display:flex;justify-content:space-between;font-size:9px;color:#9caaae}.task-actions{border-top:1px solid var(--line);padding:19px 24px 15px;display:flex;flex-direction:column;gap:9px}.task-actions p{text-align:center;font-size:9px;line-height:1.8;margin-top:2px}.logs-card{margin-top:25px}.logs-card .card-head{padding-top:22px;padding-bottom:18px}.logs-card h2{display:flex;align-items:center;gap:8px}.count-badge{font-size:10px;border:1px solid #e8eeed;background:#fafcfb;border-radius:4px;padding:2px 5px;color:#8c9b9e}.log-tools{display:flex;gap:17px;align-items:center;color:#8e9ba1;font-size:10px}.log-tools label{display:flex;align-items:center;gap:5px;margin:0;font-size:10px;font-weight:400}.log-tools input{accent-color:var(--green);width:12px;height:12px}.text-button{border:none;background:none;color:#8f9ea4;padding:3px 0;font-size:10px}.terminal-bar{background:#20373e;color:#8ca1a8;display:flex;justify-content:space-between;align-items:center;font-size:9px;padding:12px 20px;letter-spacing:.5px}.terminal-bar>span:first-child{display:flex;gap:5px}.terminal-bar i{background:#547077;width:6px;height:6px;border-radius:50%}.terminal-bar i:first-child{background:#aa7770}.terminal-bar i:nth-child(2){background:#ad9a66}.terminal-bar i:nth-child(3){background:#71957d}.terminal{height:230px;overflow:auto;background:#162d34;color:#bdd0d1;padding:20px 24px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/2.05 "Cascadia Code",Consolas,"Noto Sans Mono CJK SC",monospace;scrollbar-color:#45616a #162d34}.page-footer{display:flex;justify-content:space-between;gap:12px;color:#9da8ad;font-size:9px;margin-top:24px;line-height:1.7}.page-footer>span:first-child{color:#71868c}.page-footer .muted{margin-left:8px;font-size:8px}.course-chips{display:flex;gap:5px;flex-wrap:wrap;margin-top:5px}.course-chips button{font-size:10px;border:1px solid #e4ecea;border-radius:12px;background:#f7fbfa;color:#6b8f85;padding:4px 8px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#fff}.login-art{background:#173b3c;color:#f1f8f4;padding:48px 62px;display:flex;flex-direction:column;position:relative;overflow:hidden}.login-art .brand-mark{background:#fff;border-color:#fff}.login-copy{margin:auto 0;max-width:540px;padding:65px 0 70px}.login-copy .eyebrow{color:#96b6a4;letter-spacing:2px;font-size:10px}.login-copy h1{font-size:56px;line-height:1.45;font-weight:500;letter-spacing:2px;margin:27px 0 25px}.login-copy p{color:#a4beb4;font-size:14px;line-height:2.1}.login-foot{color:#93b2a7;font-size:11px;letter-spacing:2px}.art-lines{margin-top:45px;max-width:330px;display:flex;flex-direction:column;gap:12px}.art-lines i{height:8px;width:100%;border-radius:5px;background:#729b8236}.art-lines i:nth-child(2){width:75%;background:#c2d9ab8a}.art-lines i:nth-child(3){width:88%;background:#729b8255}.art-lines i:nth-child(4){width:50%;background:#729b8236}.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:60px}.login-form{width:340px;max-width:100%}.login-form h2{font-size:29px;margin:16px 0}.login-form>.muted{font-size:12px;line-height:1.9;margin-bottom:32px}.login-form label{margin-top:20px}.login-form input{padding:13px}.login-form .button{margin-top:26px;min-height:45px;justify-content:space-between}.privacy-note{font-size:10px;color:#a1adb2;line-height:1.9;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.form-error{color:#b3634b;font-size:11px;min-height:18px;margin-top:12px}#toast{position:fixed;left:50%;top:20px;transform:translateX(-50%);z-index:100;background:#173d36;color:#fff;padding:13px 24px;border-radius:10px;box-shadow:0 8px 30px #172d3426;font-size:12px;max-width:90vw}#toast.error{background:#854b3d}dialog{border:1px solid var(--line);border-radius:16px;padding:30px;max-width:450px;width:calc(100% - 36px);box-shadow:0 30px 80px #132b3440}dialog::backdrop{background:#172d3460;backdrop-filter:blur(3px)}dialog h2{margin:13px 0 18px}dialog p{font-size:12px;line-height:2;margin:12px 0}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:25px}.remote-body{background:#172f36;color:#e5f0ee;height:100vh;display:flex;flex-direction:column}.remote-bar{display:flex;align-items:center;gap:20px;padding:13px 22px;font-size:12px}.remote-bar>span{margin-left:auto;color:#9db9b3;font-size:11px}.remote-screen{flex:1;min-height:0;overflow:hidden;background:#0d242b;margin:0;padding:0;max-width:none}.remote-error{text-align:center;padding:60px;color:#d5aaa0}
@media(min-width:1600px){main{padding-left:55px;padding-right:55px}.card-head{padding-top:28px}.config-card form{padding-bottom:5px}.terminal{height:270px}}@media(max-width:1200px){.dashboard{grid-template-columns:200px 1fr}.sidebar{width:200px;padding:30px 16px}.brand{font-size:15px;gap:9px}.brand-mark{width:35px;height:35px}.brand small{font-size:7px}.nav-item{font-size:12px}main{padding:30px 27px}.workspace-grid{grid-template-columns:minmax(0,1.4fr) minmax(270px,1fr);gap:18px}.card-head{padding-left:20px;padding-right:20px}.config-card form{padding:0 20px}.form-row{gap:12px}.options-row{grid-template-columns:125px 1fr;gap:12px}.safe-defaults{font-size:8px}.label-note{display:block;margin:5px 0 0}.stats{gap:16px}.stat{padding:17px 19px}.stat .small{font-size:9px}.stat strong{font-size:26px}.stat-denominator{font-size:17px}.login-art{padding:40px}.login-form-wrap{padding:40px}.login-copy h1{font-size:47px}}@media(max-width:980px){.workspace-grid{grid-template-columns:1fr}.progress-card .course-progress{min-height:120px}.progress-card .empty-state{padding:15px}.task-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.task-actions>a,.task-actions p{grid-column:1/-1}.form-row{grid-template-columns:1fr 1fr}.options-row{grid-template-columns:160px 1fr}.safe-defaults{font-size:10px}.label-note{display:inline;margin-left:6px}.header-status{display:none}.stat strong{font-size:22px}.stat{padding:15px}.stats{gap:10px}.stat .small{font-size:8px}.terminal-bar>span:last-child{display:none}.page-footer{flex-direction:column;gap:5px}.login-copy h1{font-size:40px}}@media(max-width:700px){.dashboard{display:block}.sidebar{position:static;width:100%;padding:18px 20px;flex-direction:row;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);border-right:0}.sidebar .brand{font-size:14px}.sidebar .brand-mark{width:34px;height:34px}.sidebar .brand small{font-size:6px}.nav-label,.nav-item,.server-indicator{display:none}.sidebar-bottom{margin:0}.logout{border:0;width:auto;padding:10px 0;font-size:10px}main{padding:25px 18px}.page-header{margin-bottom:23px}.page-header h1{font-size:25px;margin:8px 0}.page-header p{font-size:10px}.stats{gap:8px;margin-bottom:20px}.stat{padding:13px 12px}.stat-top{font-size:10px}.stat-icon{display:none}.stat strong{font-size:20px;margin:13px 0 8px}.stat-denominator{display:block;font-size:12px;margin-top:4px}.stat .small{font-size:8px;line-height:1.5;display:block}.card-head{padding:20px}.form-row{grid-template-columns:1fr;gap:0}.options-row{grid-template-columns:125px 1fr;gap:10px}.safe-defaults{font-size:8px}.field{margin-bottom:17px}.label-note{font-size:9px}.form-footer>.small{font-size:9px}.section-index{font-size:8px}.card-head h2{font-size:17px}.logs-card .card-head{padding:20px}.log-tools{gap:10px}.log-tools label,.text-button{font-size:9px}.terminal{font-size:10px;padding:15px 16px;height:270px}.terminal-bar{padding:11px 16px}.login-shell{display:flex;flex-direction:column}.login-art{padding:26px 28px;min-height:190px}.login-copy{padding:27px 0 10px;margin:0}.login-copy .eyebrow{font-size:7px}.login-copy h1{font-size:31px;line-height:1.3;margin:14px 0}.login-copy h1 br{display:none}.login-copy p,.art-lines,.login-foot{display:none}.login-form-wrap{padding:36px 28px 40px;align-items:flex-start}.login-form h2{font-size:25px}.login-form{width:100%}.login-form>.eyebrow{display:none}.login-form>.muted{margin-bottom:25px}.remote-bar{padding:12px;font-size:10px;gap:12px}.remote-bar>span{font-size:9px}.remote-screen{padding:0}}

.account-actions{display:flex;align-items:center;gap:14px;margin:0 0 23px}.account-actions .field-hint{margin:0;max-width:260px}.account-actions .button{flex-shrink:0}.course-picker{border:1px solid #dfe6e9;background:#fcfdfd;border-radius:8px;max-height:250px;overflow:auto;padding:8px}.picker-empty{padding:25px 12px;font-size:11px;color:#91a2a7;line-height:2;text-align:center}.course-option{display:flex;align-items:center;gap:9px;margin:0;padding:10px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:400;line-height:1.8}.course-option:hover{background:#edf5f1}.course-option input{accent-color:var(--green);width:15px;height:15px;flex-shrink:0;margin:0}.course-option span{overflow-wrap:anywhere}.manual-courses{margin-top:12px}.manual-courses summary{font-size:10px;color:#95a4aa;cursor:pointer}.manual-courses textarea{margin-top:6px;min-height:60px}.manual-courses label{margin-top:12px}@media(max-width:700px){.account-actions{align-items:flex-start;flex-direction:column;gap:8px}.account-actions .field-hint{max-width:none}.account-actions .button{width:100%}}

.remote-brand{display:flex;align-items:center;gap:9px}.remote-brand img{display:block;object-fit:contain;flex-shrink:0;border-radius:7px;background:#fff}