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:root{--blue:#254de5;--blue-dark:#1933a5;--ink:#18243a;--muted:#748096;--line:#e7ebf2;--bg:#f5f7fb;--green:#22795b;--lime:#d6f67b;--orange:#b26922;--red:#b53746;--radius:16px;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);font-size:16px;line-height:1.5;background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:var(--blue);text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #89a3ff;outline-offset:3px}input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:3px solid #254de515}input,select,textarea{width:100%;background:#fff;border:1px solid #dbe1eb;border-radius:9px;padding:10px 12px;color:var(--ink);min-height:44px}textarea{resize:vertical;min-height:94px}select{padding-right:28px}h1,h2,h3,p{margin:0}h1{font-size:28px;letter-spacing:-.7px;font-weight:700}h2{font-size:18px}h3{font-size:16px}small,.small{font-size:13px}svg{flex-shrink:0}.icon{width:20px;height:20px;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.muted{color:var(--muted)}.mono{font-variant-numeric:tabular-nums}.strong{font-weight:600}.loading{padding:80px;text-align:center;color:var(--muted)}.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:30px 18px 18px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:11px;padding:0 12px 30px}.brand img{width:39px;height:39px}.brand strong{font-size:22px;letter-spacing:1px}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:1.5px;margin-top:1px}.side-label{font-size:12px;color:#99a2b2;letter-spacing:2px;margin:14px 14px 9px}.nav{display:flex;flex-direction:column;gap:5px}.nav a{color:#667389;display:flex;align-items:center;gap:13px;padding:12px 15px;border-radius:10px;font-size:15px;min-height:47px}.nav a:hover{background:#f6f8fd}.nav a.active{color:var(--blue);font-weight:600;background:#edf1ff}.nav .count{margin-left:auto;background:white;border-radius:5px;font-size:12px;padding:0 6px}.side-bottom{margin-top:auto;padding-top:28px}.local-card{background:#f6f8fb;border:1px solid var(--line);border-radius:12px;padding:15px;margin:0 5px 20px}.local-card .icon{color:var(--green);width:18px;margin-right:6px}.local-card p{font-size:12px;color:var(--muted);margin-top:7px;line-height:1.7}.account{display:flex;align-items:center;gap:10px;padding:0 10px}.avatar{display:flex;align-items:center;justify-content:center;border-radius:11px;background:#edf1ff;color:var(--blue);width:38px;height:38px;font-weight:600;flex-shrink:0}.account .text{flex:1;overflow:hidden}.account .text strong{display:block;font-size:14px}.account .text small{color:var(--muted);font-size:12px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:transparent;color:var(--muted);border-radius:8px}.icon-btn:hover{background:#edf1ff;color:var(--blue)}.main{min-width:0}.topbar{height:79px;background:#ffffffd9;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 36px;gap:20px}.breadcrumb{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:13px}.breadcrumb b{font-weight:500;color:var(--ink)}.top-tools{display:flex;align-items:center;gap:14px}.top-tools select{width:auto;max-width:200px;font-size:14px;background:transparent;border:0;padding-left:6px}.date-label{font-size:13px;color:var(--muted);white-space:nowrap}.workspace{padding:30px 36px 50px;max-width:1800px;margin:auto}.page-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.page-head p{color:var(--muted);font-size:14px;margin-top:5px}.head-actions,.row-actions,.toolbar,.button-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:10px 16px;border:1px solid #dce2ed;border-radius:9px;min-height:42px;color:var(--ink);background:white;font-size:14px;font-weight:500;white-space:nowrap}.btn:hover{background:#f8faff;border-color:#acb9d4}.btn.primary{color:#fff;background:var(--blue);border-color:var(--blue);box-shadow:0 4px 9px #254de514}.btn.primary:hover{background:var(--blue-dark)}.btn.soft{background:#edf1ff;color:var(--blue);border-color:transparent}.btn.danger{color:var(--red);background:#fff4f5;border-color:#f6d9df}.btn.small{padding:6px 10px;min-height:33px;font-size:13px}.link-btn{background:none;border:0;color:var(--blue);padding:4px 5px;font-size:14px}.link-btn:hover{text-decoration:underline}.demo-banner{background:#fff8df;border:1px solid #f0dfa4;border-radius:10px;padding:10px 15px;color:#89631e;display:flex;align-items:center;gap:9px;font-size:14px;margin-bottom:20px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:25px}.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:21px 22px}.stat-top{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:#69768a}.stat-icon{width:35px;height:35px;background:#edf1ff;border-radius:10px;color:var(--blue);display:grid;place-items:center}.stat:nth-child(2) .stat-icon{background:#eff8ed;color:#5c873b}.stat:nth-child(3) .stat-icon{background:#fff4e7;color:#b27339}.stat:nth-child(4) .stat-icon{background:#f2efff;color:#7a59c8}.stat-value{font-size:34px;line-height:1.3;font-weight:650;letter-spacing:-1px;margin-top:12px;display:flex;align-items:baseline;gap:7px}.stat-value span{font-size:14px;color:var(--muted);font-weight:400;letter-spacing:0}.stat-foot{font-size:12px;color:#8791a4;margin-top:9px}.grid-main{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:22px;align-items:start}.stack{display:grid;gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.card-head{padding:21px 23px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.card-body{padding:0 23px 23px}.card-head .meta{font-size:13px;color:var(--muted);margin-top:3px}.pill{display:inline-flex;align-items:center;padding:3px 9px;border-radius:5px;font-size:12px;background:#eef2fb;color:#637592;white-space:nowrap}.pill.blue{color:#2e56cb;background:#edf2ff}.pill.green{color:#287654;background:#eaf6ef}.pill.orange{color:#a96522;background:#fff3e5}.pill.red{color:#ac3b4b;background:#fceef1}.pill.purple{color:#7960b7;background:#f2edfc}.tabs{display:inline-flex;gap:3px;padding:4px;border-radius:9px;background:#edf0f6}.tabs button{border:0;background:transparent;color:#758196;font-size:13px;padding:6px 12px;border-radius:6px}.tabs button.active{color:var(--blue);background:#fff;box-shadow:0 1px 4px #17284810}.lesson-row{display:grid;grid-template-columns:65px minmax(0,1fr) auto;gap:15px;align-items:center;padding:17px 0;border-top:1px solid #f0f2f7}.time{font-size:17px;font-weight:600;font-variant-numeric:tabular-nums}.time small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:4px}.lesson-desc{border-left:3px solid #5272e8;padding-left:15px}.lesson-desc.kindergarten{border-left-color:#91b654}.lesson-desc strong{font-size:15px;font-weight:600}.lesson-desc p{font-size:12px;color:var(--muted);margin-top:5px}.lesson-desc .pill{font-size:11px}.action-card{background:#243fba;color:#fff;border:0;padding:23px;border-radius:var(--radius);position:relative;overflow:hidden}.action-card .eyebrow{color:#b9c8ff;font-size:12px;letter-spacing:2px}.action-card h2{font-size:22px;margin-top:11px}.action-card p{font-size:13px;color:#d2dcff;line-height:1.8;margin:10px 0 20px}.action-card .btn{background:var(--lime);color:#23362a;border:0;font-weight:600}.action-card .corner-number{position:absolute;right:18px;top:10px;font-size:94px;font-weight:750;color:#ffffff0d;line-height:1}.reminder{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #f0f2f6}.reminder:last-child{border:0}.reminder .text{flex:1}.reminder strong{font-size:14px}.reminder p{font-size:12px;color:var(--muted);margin-top:3px}.reminder .balance{color:var(--orange);font-weight:650;font-size:17px}.section-spacer{margin-top:24px}.chart{display:flex;align-items:flex-end;justify-content:space-around;gap:12px;height:140px;padding-top:15px}.chart-col{flex:1;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:5px;font-size:12px;color:var(--muted)}.bar{width:28px;max-width:100%;min-height:3px;border-radius:5px 5px 0 0;background:#dbe3ff}.bar.today{background:var(--blue)}.chart-col strong{font-size:12px;font-weight:500;color:var(--ink)}.toolbar{padding:18px 22px;border-bottom:1px solid var(--line);justify-content:space-between}.search{position:relative;max-width:350px;flex:1;min-width:200px}.search .icon{position:absolute;left:12px;top:12px;color:#98a4b5;width:18px}.search input{padding-left:38px;background:#f8f9fc;font-size:14px;border-color:#edf0f6}.filters{display:flex;gap:10px;align-items:center}.filters select{width:auto;max-width:210px;font-size:14px}.table-wrap{width:100%;overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px;white-space:nowrap}thead{background:#fafbfe}th{font-weight:500;color:#7b879a;font-size:13px;padding:13px 20px;border-bottom:1px solid var(--line)}td{padding:16px 20px;border-bottom:1px solid #eff2f7;vertical-align:middle}tbody tr:hover{background:#fcfdff}tbody tr:last-child td{border-bottom:0}.person{display:flex;align-items:center;gap:12px}.person strong{font-weight:600}.person small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.person .avatar{font-size:14px;width:35px;height:35px;border-radius:50%;background:#eef3fc;color:#5c75a9}.money{font-weight:600;font-variant-numeric:tabular-nums}.balance-low{color:var(--orange);font-weight:600}.pagination{border-top:1px solid var(--line);padding:14px 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input[type=checkbox]{width:18px;min-height:18px}.notice{padding:13px 16px;border-radius:9px;background:#f0f4ff;color:#59709e;font-size:13px;line-height:1.8;margin-bottom:20px}.notice.warn{background:#fff7e9;color:#926529}.notice.error{background:#fff1f3;color:#b13b4c}.form-error{padding:12px;color:var(--red);background:#fff0f2;border-radius:8px;margin-top:16px;font-size:14px}.form-error:empty{display:none}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.settings-grid .card-body{padding-top:8px}.settings-list{display:grid;gap:14px}.divider{height:1px;background:var(--line);margin:22px 0}dialog{padding:0;border:1px solid #dce3ef;border-radius:19px;width:650px;max-width:calc(100vw - 32px);max-height:90vh;color:var(--ink);box-shadow:0 20px 100px #16274533;overflow:auto}dialog.wide{width:940px}dialog::backdrop{background:#11234269;backdrop-filter:blur(3px)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:22px 26px 18px;position:sticky;top:0;background:white;z-index:2;border-bottom:1px solid var(--line)}.modal-head h2{font-size:20px}.modal-body{padding:24px 26px}.modal-foot{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding-top:22px;margin-top:20px;border-top:1px solid var(--line)}.detail-profile{display:flex;gap:16px;align-items:center;margin-bottom:25px}.detail-profile .avatar{width:55px;height:55px;font-size:22px}.detail-metrics{display:flex;gap:30px;margin-left:auto}.detail-metrics strong{display:block;font-size:24px;font-weight:600}.detail-metrics small{color:var(--muted)}.attendance-table select{min-width:120px;font-size:14px;padding:7px 9px}.attendance-table th,.attendance-table td{padding:12px}.attn-summary{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}.check-summary{padding:13px 17px;background:#f4f7fc;border-radius:10px;margin-top:18px;font-size:14px}.import-preview{max-height:320px;overflow:auto;border:1px solid var(--line);border-radius:9px}.import-preview table{font-size:13px}.import-preview th,.import-preview td{padding:10px 13px}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(380px,1fr) 1.2fr;background:white}.login-brand{background:#1c3595;color:#fff;padding:48px 60px;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh}.login-brand .brand{padding:0}.login-brand .brand small{color:#b0c0fa}.login-brand h1{font-size:44px;line-height:1.55;letter-spacing:0;font-weight:650}.login-brand p{font-size:16px;color:#bbc9f8;line-height:1.9;max-width:370px;margin-top:20px}.login-brand .stamp{display:inline-flex;background:#d6f67b;color:#253932;padding:5px 12px;font-size:13px;border-radius:5px;margin-bottom:24px;letter-spacing:1px}.login-meta{display:flex;gap:35px;border-top:1px solid #ffffff25;padding-top:25px;font-size:13px;color:#bdcaf6}.login-meta strong{font-size:24px;display:block;color:white;margin-bottom:4px}.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:50px}.login-form{width:380px;max-width:100%}.login-form h2{font-size:28px;letter-spacing:-.5px}.login-form p{font-size:14px;color:var(--muted);margin:10px 0 30px}.login-form .field{margin-bottom:18px}.login-form .btn{width:100%;margin-top:9px;min-height:46px}.login-form .footnote{font-size:12px;color:#8c96a6;margin-top:27px;text-align:center;line-height:1.9}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:13px 23px;background:#17283f;color:white;border-radius:11px;box-shadow:0 8px 35px #13264533;z-index:100;opacity:0;pointer-events:none;transition:opacity .15s;font-size:14px;max-width:90vw}#toast.show{opacity:1}.mobile-menu{display:none}.nowrap{white-space:nowrap}.print-only{display:none}@media(min-width:1700px){.workspace{padding-top:38px}.stats{gap:23px}.stat{padding:25px}}@media(max-width:1250px){.app-shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:25px 12px 16px}.workspace{padding:26px 24px 40px}.topbar{padding:0 24px}.class-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stats{gap:12px}.stat{padding:17px}.stat-value{font-size:29px}.grid-main{grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr)}.date-label{display:none}.brand{padding-left:7px}.brand strong{font-size:20px}}@media(max-width:980px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-main{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.login-brand{padding:40px 30px}.login-brand h1{font-size:34px}.login-form-wrap{padding:35px}.login-shell{grid-template-columns:1fr 1fr}.top-tools{gap:3px}.breadcrumb{display:none}}@media(max-width:720px){.app-shell{display:block}.sidebar{display:none;position:fixed;width:230px;box-shadow:20px 0 60px #14295333}.sidebar.open{display:flex}.topbar{height:auto;min-height:66px;padding:12px 16px;gap:8px}.top-tools{flex-wrap:wrap;justify-content:flex-end;gap:3px}.top-tools select{font-size:13px;max-width:150px;min-height:36px;padding-top:6px;padding-bottom:6px}.mobile-menu{display:inline-flex}.workspace{padding:22px 16px 35px}.page-head{align-items:flex-start;flex-wrap:wrap;margin-bottom:20px}h1{font-size:25px}.page-head p{font-size:13px}.head-actions{gap:7px}.head-actions .btn{padding:8px 11px;min-height:38px}.stats{gap:11px}.stat{padding:15px}.stat-value{font-size:28px}.stat-icon{width:28px;height:28px}.stat-top{font-size:13px}.stat-foot{font-size:11px}.card-head{padding:18px}.card-body{padding:0 18px 18px}.class-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .field{grid-column:1}.modal-body{padding:20px 17px}.modal-head{padding:18px}.modal-head h2{font-size:18px}.detail-metrics{gap:18px}.toolbar{padding:15px;align-items:stretch}.toolbar .search{max-width:none}.filters{flex-wrap:wrap}.filters select{max-width:100%;flex:1}.login-shell{display:block}.login-brand{display:none}.login-form-wrap{padding:45px 24px;min-height:100vh}.login-form h2:before{content:'科学派 · ';color:var(--blue)}.lesson-row{gap:9px;grid-template-columns:54px minmax(0,1fr) auto}.lesson-desc{padding-left:10px}.lesson-desc strong{font-size:14px}.lesson-row .btn{font-size:12px;padding:6px 9px}.week-top{flex-wrap:wrap;padding:15px}.week-top h2{font-size:15px}.attn-summary{flex-wrap:wrap}.page-head .head-actions{width:100%}.top-tools .icon-btn{display:none}}@media print{.sidebar,.topbar,.head-actions,.modal-head .icon-btn,.modal-foot,.no-print,#toast{display:none!important}.app-shell{display:block}.workspace{padding:0}.stats,.card,dialog{break-inside:avoid}body:has(dialog[open]) #app{display:none}dialog[open]{position:static;display:block;width:100%;max-width:none;max-height:none;border:0;box-shadow:none;overflow:visible}.print-only{display:block}.modal-body{padding:0}body{background:white}}

/* Familiar administration layout, with Science School's own visual identity. */
:root{--blue:#087ef5;--blue-dark:#0565c6;--ink:#27354a;--muted:#8591a3;--line:#e9edf4;--bg:#f3f5f9;--radius:8px;font-size:14px}
.app-shell{grid-template-columns:184px minmax(0,1fr)}
.sidebar{background:#101c2d;border:0;padding:22px 0 16px;color:#cad3df;overflow-y:auto}
.sidebar .brand{padding:0 18px 27px;gap:9px;color:#fff}
.sidebar .brand img{width:36px;height:36px}.sidebar .brand strong{font-size:20px;letter-spacing:2px}.sidebar .brand small{font-size:10px;color:#899bb6;letter-spacing:1px}
.nav{gap:2px}.nav a,.nav-group summary{display:flex;align-items:center;gap:13px;color:#aebacd;font-size:14px;border-radius:0;padding:14px 19px;min-height:48px;line-height:20px}
.nav a .icon,.nav-group summary .icon{width:17px;height:17px}.nav a:hover,.nav-group summary:hover{background:#1a2d43;color:white}.nav a.active{color:white;background:#087ef5;font-weight:500}.nav a.active:hover{background:#087ef5}
.nav-group>summary{list-style:none;cursor:pointer;user-select:none}.nav-group>summary::-webkit-details-marker{display:none}.nav-chevron{font-size:15px;margin-left:auto;color:#7790ae}.nav-group[open]>.nav-chevron{transform:rotate(180deg)}
.nav-group>div{padding-bottom:5px;background:#0d1726}.nav-group>div>a{padding:10px 14px 10px 48px;font-size:13px;min-height:40px;gap:7px}.nav-group>div>a .icon{display:none}.nav-group>div>a.active{background:#113e71;color:#a6d2ff;border-right:3px solid var(--blue)}
.side-bottom{padding:20px 12px 0}.local-card{border:1px solid #23344c;background:#142237;border-radius:7px;padding:12px;margin:0 0 18px}.local-card p{font-size:11px;color:#7f94b0}.local-card .icon{color:#66b1f3}.account{padding:0 1px;gap:8px}.account .avatar{width:31px;height:31px;font-size:13px;background:#244363;color:#bad9f9;border-radius:50%}.account .text strong{font-size:12px;color:#d5deea}.account .text small{font-size:11px;color:#8da0b9}.account .icon-btn{color:#8da0b9;width:28px}.account .icon-btn:hover{background:#253950}
.topbar{height:58px;padding:0 25px;background:#fff;gap:16px}.top-tools{gap:12px}.top-tools select{font-size:12px;max-width:170px;padding-left:4px;min-height:32px}.breadcrumb{gap:14px;font-size:13px}.breadcrumb>a{color:var(--blue)}.breadcrumb>b{font-size:13px}.institution-name{font-size:12px;color:#66758c;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.workspace{padding:24px 25px 40px;max-width:1900px}.page-head{margin-bottom:19px}h1{font-size:22px;letter-spacing:0}h2{font-size:15px}.page-head p{font-size:12px;margin-top:6px}.btn{border-radius:4px;min-height:36px;font-size:13px;padding:8px 13px;gap:6px}.btn .icon{width:16px;height:16px}.btn.primary{box-shadow:none}.btn.small{font-size:12px;min-height:30px;padding:5px 10px}.icon-btn{border-radius:5px}.link-btn{font-size:13px}.head-actions{gap:8px}
.card{border:1px solid #edf0f6;border-radius:8px;box-shadow:0 1px 2px #19396002}.card-head{padding:20px 23px}.card-body{padding:0 23px 23px}.task-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:16px 24px 32px;gap:22px}.task-list>button{display:flex;align-items:center;gap:16px;text-align:left;border:0;background:transparent;color:var(--blue);padding:0}.task-list>button>.icon{width:42px;height:42px;padding:10px;border-radius:50%;border:2px solid #f0f5fc;stroke-width:1.8}.task-list>button:nth-child(1){color:#ff5a77}.task-list>button:nth-child(2){color:#008cff}.task-list>button:nth-child(3){color:#00a6c3}.task-list>button:nth-child(4){color:#f3a71a}.task-list b{display:block;font-size:25px;font-weight:500;line-height:1.3;font-variant-numeric:tabular-nums;color:#238af7}.task-list small{display:block;font-size:12px;font-weight:400;color:#8896aa;margin-top:5px}
.quick-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:14px 24px 29px}.quick-actions>button{display:flex;gap:13px;align-items:center;background:white;border:0;text-align:left;padding:4px 0;color:var(--ink)}.quick-actions strong{font-size:14px;font-weight:600;display:block}.quick-actions small{display:block;font-size:11px;color:#95a0b0;margin-top:5px}.quick-icon{width:32px;height:32px;border-radius:7px;display:grid;place-items:center;background:#328ffa;color:white;box-shadow:0 4px 9px #2d90f421}.quick-icon .icon{width:21px;height:21px}.quick-icon.pink{background:#ff617d}.quick-icon.amber{background:#ffb72b}.quick-icon.teal{background:#24c4ba}
.stats{gap:15px;margin-bottom:21px}.stat{padding:19px;border-radius:8px}.stat-top{font-size:12px}.stat-icon{width:28px;height:28px;border-radius:6px}.stat-icon .icon{width:16px;height:16px}.stat-value{font-size:28px;margin-top:10px}.stat-foot{font-size:11px;margin-top:7px}.grid-main{gap:18px;grid-template-columns:minmax(0,1.9fr) minmax(275px,1fr)}.stack{gap:18px}.section-spacer{margin-top:20px}.notice{font-size:12px;border-radius:5px;padding:12px 15px}.demo-banner{font-size:12px;padding:9px 13px;border-radius:6px;margin-bottom:17px}
.section-tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);padding:0 24px;min-height:55px;overflow:auto}.section-tabs button{border:0;border-bottom:2px solid transparent;padding:18px 3px 15px;color:#7d8c9f;background:none;font-size:14px;white-space:nowrap}.section-tabs button.active{color:var(--blue);border-color:var(--blue)}.toolbar{padding:18px 23px;gap:15px}.filters{gap:8px}.filters select{font-size:12px;min-height:35px;border-radius:4px;max-width:180px}.search input{background:white;border:1px solid #e1e7ef;font-size:12px;border-radius:4px;min-height:36px;padding-top:8px;padding-bottom:8px}.search .icon{top:9px;width:17px}.result-strip{background:#f8faff;border-bottom:1px solid var(--line);padding:10px 23px;font-size:12px;color:#6f8097}.result-strip b{color:#263952;font-weight:600}.result-strip span{margin-left:15px;font-size:11px;color:#8796a9}
table{font-size:13px}th{font-size:12px;padding:13px 18px;background:#fafbfe;color:#71839a}td{padding:12px 18px}tbody tr:hover{background:#f8fbff}.person{gap:9px}.person .avatar{width:31px;height:31px;font-size:12px;background:#edf5ff;color:#568bb8}.person small{font-size:10px}.person .link-btn{padding:0}.wrap-cell{white-space:normal;min-width:150px;max-width:280px;overflow-wrap:anywhere}.wrap-anywhere{overflow-wrap:anywhere}.pagination{padding:13px 22px;font-size:12px}.pill{font-size:11px;border-radius:3px;padding:2px 7px}.empty{padding:40px 22px}.empty p{font-size:12px}.empty strong{font-size:14px}.empty .icon{width:28px;height:28px}
.class-status-tools{display:flex;gap:12px;align-items:center}.class-status-tools select{width:150px;min-height:36px;font-size:12px}.facts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 28px}.facts-grid small{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.facts-grid strong{display:block;font-size:14px;font-weight:500;overflow-wrap:anywhere}.source-detail{border:1px solid var(--line);border-radius:6px;padding:13px 16px;margin:12px 0}.source-detail>summary{cursor:pointer;color:var(--blue);font-size:13px}.source-detail .facts-grid{margin-top:20px}.source-list{display:grid;grid-template-columns:100px minmax(0,1fr);gap:10px;margin:20px 0;font-size:12px}.source-list dt{color:var(--muted)}.source-list dd{margin:0}.json-summary{font-size:11px;white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f9fc;padding:13px;max-height:300px;overflow:auto;color:#6e7f94}.account-action{display:flex;gap:8px}
dialog{border-radius:10px}.modal-head h2{font-size:17px}.modal-head{padding:18px 23px 15px}.modal-body{padding:23px}.field>span{font-size:13px}input,select,textarea{border-radius:5px;min-height:39px;font-size:13px}.field small{font-size:11px}.detail-profile .avatar{border-radius:50%}.detail-profile h2{font-size:20px}.detail-metrics strong{font-size:26px}.source-detail .pill{margin-left:6px}
@media(min-width:1700px){.workspace{padding-top:25px}.stat{padding:20px}.stats{gap:18px}}
@media(max-width:1250px){.app-shell{grid-template-columns:174px minmax(0,1fr)}.sidebar{padding:22px 0 16px}.workspace{padding:22px}.topbar{padding:0 22px}.institution-name{max-width:140px}.top-tools{gap:8px}.quick-actions{gap:15px}.task-list{gap:15px}.stat-value{font-size:25px}}
@media(max-width:980px){.institution-name{display:none}.grid-main{grid-template-columns:1fr}.task-list,.quick-actions{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:27px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.breadcrumb{display:flex}.top-tools select{max-width:125px}}
@media(max-width:720px){.app-shell{display:block}.sidebar{display:none;width:230px}.sidebar.open{display:flex}.topbar{padding:10px 13px;min-height:58px;height:auto}.workspace{padding:18px 13px 35px}.top-tools{gap:3px;flex-wrap:nowrap}.top-tools select{font-size:11px;max-width:119px}.breadcrumb{display:none}.page-head{gap:12px}.page-head h1{font-size:20px}.page-head p{font-size:11px}.page-head .head-actions{width:auto}.head-actions .btn{font-size:11px;padding:7px 9px;min-height:33px}.task-list{padding:12px 16px 25px;gap:23px 14px}.task-list>button{gap:9px}.task-list>button>.icon{width:34px;height:34px;padding:8px}.task-list b{font-size:24px}.task-list small{font-size:11px}.card-head{padding:17px}.card-body{padding:0 17px 20px}.quick-actions{padding:10px 17px 24px;gap:24px 15px}.quick-actions>button{gap:9px}.quick-actions strong{font-size:12px}.quick-actions small{font-size:10px}.quick-icon{width:29px;height:29px}.stat{padding:14px}.stat-value{font-size:24px}.stat-foot{line-height:1.7}.stat-value span{font-size:11px}.section-tabs{padding:0 17px;gap:28px}.section-tabs button{font-size:13px}.toolbar{padding:14px}.result-strip{padding:10px 15px;line-height:1.8}.result-strip span{display:block;margin-left:0}.filters{max-width:100%;flex-wrap:wrap}.filters select{font-size:11px;max-width:160px}.pagination{padding:12px 13px;gap:8px}.pagination>.button-row{gap:5px}.facts-grid{gap:17px;grid-template-columns:1fr}.detail-profile{flex-wrap:wrap;gap:10px}.detail-profile h2{font-size:17px}.detail-metrics{margin-left:0}.detail-metrics strong{font-size:23px}.modal-body{padding:19px 16px}.modal-head{padding:16px}.class-status-tools{flex-wrap:wrap}.source-list{grid-template-columns:1fr}.source-list dd{margin-bottom:8px}.source-detail{padding:12px}.table-wrap{max-width:100%}}

.history-date{display:flex;gap:5px;align-items:center;font-size:12px;color:var(--muted)}.history-date input{width:140px;min-height:35px;font-size:12px}.settings-grid>.card{min-width:0}@media(max-width:720px){.history-date input{width:130px}.toolbar .filters{row-gap:8px}}

/* Desktop retains the reference workspace; phones use reachable controls. */
:root{--muted:#65748a}
::selection{background:#d5eaff;color:#15334e}input,textarea{caret-color:var(--blue)}
.skip-link{position:fixed;top:-70px;left:16px;background:#fff;padding:12px 18px;z-index:100}.skip-link:focus{top:12px}
.nav-scrim,.mobile-bottom{display:none}.workspace-tabs{display:flex;align-self:stretch;gap:5px;align-items:flex-end;min-width:0;overflow:auto;scrollbar-width:thin}
.workspace-tab{display:flex;align-items:center;gap:3px;padding:0 8px;background:#fff;border-radius:5px 5px 0 0;flex-shrink:0;min-height:42px;color:#64748b}
.workspace-tab.active{background:var(--bg);color:var(--blue)}.workspace-tab>a{padding:11px 6px;font-size:13px;color:inherit}.workspace-tab.active>a{font-weight:600}
.tab-close{display:grid;place-items:center;padding:4px;background:transparent;border:0;color:#71839a;width:24px;height:28px}.tab-close .icon{width:13px;height:13px}.tab-close:hover{color:var(--blue);background:#dceaff;border-radius:4px}
.topbar .top-tools{flex-shrink:0}.main:focus{outline:none}.nav-group[open]>summary .nav-chevron{transform:rotate(180deg)}
.setup-guide{background:#fff;border-radius:8px}.setup-guide>summary{display:flex;align-items:center;gap:12px;padding:18px 23px;cursor:pointer;list-style:none;font-size:14px}.setup-guide>summary::-webkit-details-marker{display:none}
.setup-progress{color:#65748a;font-size:12px}.setup-expand{margin-left:auto;color:var(--blue);font-size:12px;display:flex;align-items:center;gap:4px}.setup-expand .icon{width:15px;height:15px}.setup-guide[open] .setup-expand .icon{transform:rotate(90deg)}
.setup-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:8px 23px 24px}.setup-steps>a{display:flex;align-items:center;gap:10px;color:var(--ink)}.setup-steps>a>.icon{margin-left:auto;width:14px;color:#76879b}.setup-steps strong{font-size:14px;font-weight:500}.setup-steps small{display:block;font-size:12px;color:#65748a;margin-top:3px}.setup-check{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#f0f3f8;color:#6c7d94;flex-shrink:0}.setup-check.complete{background:#e7f6ef;color:#257153}.setup-check .icon{width:17px;height:17px}
.device-guide p,.device-steps,.device-note{line-height:1.9}.device-steps{margin:0 0 22px;padding-left:22px}.device-steps>li{padding:5px 0}.device-addresses{display:grid;gap:15px;margin-bottom:20px}.device-address>span{display:block;color:#65748a;font-size:13px;margin-bottom:7px}.device-address>div{display:flex;gap:10px}.device-address input{font-variant-numeric:tabular-nums}.device-address button{flex-shrink:0}.device-note{margin-top:14px;color:#65748a}.report-month{display:flex;align-items:center;gap:12px}.report-month input{width:170px}.report-links{background:#fff;padding:23px;border-radius:8px;display:flex;align-items:center;gap:20px}.report-links p{flex:1;color:#65748a;font-size:13px}
@media(max-width:1100px){.setup-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.institution-name{display:none}.workspace-tabs{max-width:45vw}}
@media(max-width:720px){
 :root{font-size:16px}.workspace{padding:18px 14px calc(90px + env(safe-area-inset-bottom))}.page-head p{font-size:14px;line-height:1.65}.page-head h1{font-size:22px}.head-actions .btn,.btn,.btn.small,.link-btn{font-size:14px;min-height:44px}.topbar .top-tools select{font-size:14px;max-width:125px;min-height:44px}.topbar .top-tools .icon-btn{display:none}.workspace-tabs{display:none}.mobile-menu{min-width:44px;height:44px}.topbar{position:sticky;top:0;z-index:20;padding:9px 12px;min-height:62px}
 .mobile-bottom{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:6px 6px calc(5px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #dde5ef;z-index:25}.mobile-bottom a,.mobile-bottom button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#5e7088;font-size:12px;min-height:49px;border:0;background:transparent;padding:3px}.mobile-bottom .icon{width:21px;height:21px}.mobile-bottom .active{color:var(--blue);font-weight:600}.mobile-bottom a:active,.mobile-bottom button:active{background:#edf5ff;border-radius:5px}
 .nav-scrim:not([hidden]){display:block;position:fixed;inset:0;border:0;background:#101c2d88;z-index:30}.sidebar.open{position:fixed;top:0;left:0;bottom:0;width:min(280px,82vw);height:100dvh;z-index:31}.sidebar .nav a,.sidebar .nav-group summary{font-size:15px;min-height:48px}.menu-open{overflow:hidden}
 input,select,textarea,.search input,.filters select,.history-date input{font-size:16px;min-height:44px}.field>span{font-size:15px}.field small{font-size:13px}.modal-body{padding:18px 15px}.modal-head h2{font-size:19px}.modal-head .icon-btn{width:44px;height:44px}.modal-foot{gap:10px}.form-error,.notice{font-size:14px;line-height:1.7}
 table{font-size:14px}th{font-size:13px}td{padding:14px 15px}.person small,.small,.pill{font-size:12px}.pagination{align-items:flex-start;flex-wrap:wrap}.pagination .button-row{flex-wrap:wrap}.table-wrap{overscroll-behavior-x:contain}.task-list small{font-size:13px}.quick-actions strong{font-size:15px}.quick-actions small{font-size:12px}.card-head h2{font-size:16px}.stat-top{font-size:14px}.stat-foot{font-size:12px}.card-head .meta{font-size:13px}.empty strong{font-size:16px}.empty p{font-size:14px}.empty .btn{min-height:44px}.lesson-row{grid-template-columns:54px minmax(0,1fr);row-gap:8px}.lesson-row>.btn{grid-column:2;justify-self:start}.lesson-desc strong{font-size:15px}.lesson-desc p{font-size:13px}
 .setup-guide>summary{padding:16px;gap:7px;flex-wrap:wrap;font-size:15px}.setup-progress{font-size:13px}.setup-steps{grid-template-columns:1fr;padding:0 16px 20px;gap:19px}.setup-steps strong{font-size:15px}.setup-steps small{font-size:13px}.setup-expand{font-size:13px}.device-address>div{flex-wrap:wrap}.device-address>span{font-size:14px}.device-address input{min-width:0;flex:1 1 220px}.report-links{display:block}.report-links p{font-size:14px;margin:12px 0}.device-guide .card-head{flex-wrap:wrap}.report-month{flex-wrap:wrap}.history-date input{width:150px}.filters{width:100%}.filters select{max-width:100%;flex:1 1 120px}.search{min-width:0;width:100%;flex:1 1 100%}.settings-grid{display:block}.settings-grid>.card{margin-bottom:18px}
}
@media print{.mobile-bottom,.nav-scrim,.skip-link{display:none!important}}
@media(max-width:720px){.topbar .top-tools{min-width:0}.topbar .top-tools select{width:min(125px,29vw)}}
/* Campus cash book follows the existing teaching workspace. */
.finance-controls{margin-bottom:20px}.finance-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.finance-toolbar{align-items:flex-end;gap:14px;flex-wrap:wrap}.finance-filter{display:flex;flex-direction:column;gap:6px;min-width:130px;font-size:12px;color:#53647a}.finance-filter input,.finance-filter select{min-height:40px;max-width:220px}.finance-search{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#53647a}.finance-search input{max-width:230px;min-width:120px}.finance-amount{font-variant-numeric:tabular-nums;white-space:nowrap}.finance-notice{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.finance-notice>span{flex:1;min-width:180px}.finance-check{display:inline-flex;align-items:center;gap:8px;font-size:13px;min-height:44px}.finance-check input{width:18px;height:18px}.finance-scope-note{margin:0 0 18px;line-height:1.7}.finance-toolbar .btn{min-height:40px}
@media(max-width:760px){.finance-stats{grid-template-columns:1fr}.finance-toolbar{gap:12px}.finance-filter{flex:1 1 130px;min-width:0}.finance-filter input,.finance-filter select{max-width:none;width:100%;min-height:44px;font-size:16px}.finance-search{flex:1 1 100%;min-width:0}.finance-search input{font-size:16px;max-width:none;width:100%;min-width:0;min-height:44px}.finance-search .button-row{flex-wrap:nowrap}.finance-toolbar .btn,.finance-notice .btn{min-height:44px}.finance-notice{align-items:flex-start}.finance-stats .stat-value{font-size:28px}.finance-controls .section-tabs{overflow:auto}.finance-controls .section-tabs button{white-space:nowrap;min-height:44px}}
.finance-mobile-ledger{display:none}
@media(max-width:760px){.finance-ledger-section>.table-wrap{display:none}.finance-mobile-ledger{display:block}.finance-mobile-row{padding:16px;border-top:1px solid var(--line);overflow-wrap:anywhere}.finance-mobile-row p{margin-top:8px;line-height:1.6}.finance-mobile-row-head,.finance-mobile-row-foot{display:flex;align-items:center;justify-content:space-between;gap:10px}.finance-mobile-row-head{font-size:13px}.finance-mobile-row-head strong{font-size:19px}.finance-mobile-row-foot{margin-top:12px}.finance-mobile-row-foot .btn{min-height:44px}.stats.finance-ledger-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.finance-ledger-stats .stat{padding:12px 8px}.finance-ledger-stats .stat-icon,.finance-ledger-stats .stat-foot{display:none}.finance-ledger-stats .stat-top{font-size:12px}.finance-ledger-stats .stat-value{font-size:clamp(12px,3.6vw,17px);margin-top:7px}}
.workspace:has(.finance-controls){--muted:#596b82}

/* Teaching tasks retain the same filters on desktop and phone. */
.attendance-toolbar{align-items:center;gap:14px}.attendance-mode-tabs{flex-shrink:0}.attendance-toolbar .tabs button{min-height:36px;color:var(--ink)}.attendance-toolbar .tabs button.active{color:var(--blue)}.attendance-day-filters{flex-wrap:wrap}.attendance-day-filters input{width:160px}.attendance-day-filters>span{white-space:nowrap}.attendance-list{padding-top:4px}.pending-lesson-day+.pending-lesson-day{margin-top:24px}.pending-lesson-date{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding:18px 0 10px;font-size:16px;font-variant-numeric:tabular-nums}.pending-lesson-date span{font-size:13px;color:var(--muted);font-weight:400}.mobile-account-actions{display:none}
@media(max-width:720px){.attendance-toolbar{align-items:flex-start}.attendance-mode-tabs{width:100%;display:flex}.attendance-mode-tabs button{flex:1}.attendance-toolbar .tabs button{min-height:44px;font-size:14px}.attendance-day-filters{width:100%;gap:12px}.attendance-day-filters input{flex:1 1 150px;min-width:0}.attendance-day-filters .tabs{flex-shrink:0}.pending-lesson-date{gap:9px}.mobile-account-actions{display:grid;gap:4px;margin-bottom:16px;padding-top:8px;border-top:1px solid #23344c}.mobile-account-actions button{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 12px;border:0;border-radius:6px;background:transparent;color:#d5deea;text-align:left;font-size:15px}.mobile-account-actions button:hover,.mobile-account-actions button:active{background:#253950}.sidebar .account .icon-btn{width:44px;height:44px;flex-shrink:0}}

/* First-use preparation and administrator backup status. */
.setup-context{font-size:13px;color:#52637a;margin:0;padding:0 23px 18px;max-width:72ch}.setup-steps{grid-template-columns:repeat(3,minmax(0,1fr))}.setup-steps>a{align-items:flex-start;min-width:0;padding:7px 0}.setup-steps>a>span:nth-child(2){min-width:0}.setup-steps .setup-count{color:#344762;font-weight:500;margin-top:4px}.setup-steps>a>.icon{flex-shrink:0;margin-top:8px}
.maintenance-status{padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid var(--line)}.maintenance-heading{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.maintenance-facts{margin:0;display:grid;gap:14px}.maintenance-facts>div{min-width:0}.maintenance-facts dt{font-size:12px;color:#52637a;margin-bottom:4px}.maintenance-facts dd{margin:0;font-size:14px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.maintenance-message{font-size:13px;color:#95501a;margin-top:14px}.maintenance-status>p:last-child{margin-top:14px;line-height:1.7}
@media(max-width:1100px){.setup-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.setup-context{padding:0 16px 16px;font-size:14px}.setup-steps{grid-template-columns:1fr}.setup-steps>a{min-height:44px}.maintenance-facts dt,.maintenance-message,.maintenance-status .small{font-size:14px}.maintenance-facts dd{font-size:16px}.maintenance-heading .btn{min-height:44px}.maintenance-heading .pill{font-size:13px}}

.registration-footer{padding:14px 18px;text-align:center;font-size:12px;line-height:1.8;color:#64748b;background:#f5f7fb}.registration-footer a{color:#526176}.registration-footer span{display:block}