@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{color:#14213d;font-synthesis:none;background:#f5f7fb;font-family:DM Sans,Noto Sans SC,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh}.shell aside{z-index:30;background:#fff;border-right:1px solid #e9edf4;flex-direction:column;width:228px;padding:28px 18px;display:flex;position:fixed;inset:0 auto 0 0}.brand{align-items:center;gap:11px;font-size:18px;font-weight:700;display:flex}.brand small{color:#9aa5b5;letter-spacing:1.5px;text-transform:uppercase;margin-top:2px;font-size:9px;display:block}.brand-mark{color:#fff;background:#4c6fff;border-radius:12px;place-items:center;width:38px;height:38px;display:grid;box-shadow:0 8px 20px #4c6fff40}.brand-mark svg{width:21px}nav{gap:8px;margin-top:42px;display:grid}nav a{color:#748096;border-radius:10px;align-items:center;gap:12px;padding:12px;font-size:14px;font-weight:600;text-decoration:none;display:flex}nav a svg{width:19px}nav a.active{color:#4c6fff;background:#edf1ff}.side-foot{border-top:1px solid #eef1f5;align-items:center;gap:10px;margin-top:auto;padding-top:18px;display:flex}.avatar{color:#4c6fff;background:#e8edff;border-radius:12px;place-items:center;width:36px;height:36px;font-weight:700;display:grid}.side-foot>div:nth-child(2){flex:1;min-width:0}.side-foot b,.side-foot small{font-size:12px;display:block}.side-foot small{color:#99a3b2;margin-top:2px}.side-foot button{color:#9aa5b5;background:0 0;border:0;padding:4px}.side-foot svg{width:17px}.content{max-width:1500px;margin-left:228px;padding:30px 34px 50px}.top{justify-content:space-between;align-items:center;margin-bottom:25px;display:flex}.top p{color:#9ba6b6;margin:0;font-size:12px}.top h1{margin:3px 0 0;font-size:25px}.fresh{color:#7a8597;background:#fff;border:1px solid #e8ecf3;border-radius:12px;align-items:center;gap:9px;padding:9px 13px;font-size:11px;display:flex}.fresh b{color:#25314a;margin-top:2px;font-size:12px;display:block}.dot-ok,.warn-dot{background:#20bf6b;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #20bf6b1a}.warn-dot{background:#f59e0b;box-shadow:0 0 0 4px #f59e0b1a}.filters{align-items:end;gap:10px;margin-bottom:18px;display:flex}.filters label{color:#8b95a7;background:#fff;border:1px solid #e1e6ef;border-radius:9px;align-items:center;gap:7px;height:40px;padding:0 11px;font-size:11px;display:flex}.filters label svg{width:15px}.filters input,.filters select{color:#354057;background:0 0;border:0;outline:0;font-size:12px}.filters>span{color:#a2abba;padding-bottom:12px;font-size:11px}.filters .select{margin-left:4px;position:relative}.filters .select select{appearance:none;padding-right:24px}.filters .select svg{pointer-events:none;position:absolute;right:8px}.refresh,.primary{color:#fff;background:#4c6fff;border:0;border-radius:9px;justify-content:center;align-items:center;gap:7px;height:40px;padding:0 16px;font-weight:600;display:flex}.refresh svg{width:15px}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.summary{grid-template-columns:2fr 1fr;gap:16px;margin-bottom:16px;display:grid}.total-card,.status-card,.panel{background:#fff;border:1px solid #e8ecf3;border-radius:15px;box-shadow:0 5px 22px #1e375a09}.total-card{background:linear-gradient(105deg,#fff,#f8faff);padding:22px 25px}.total-card p{color:#7e899b;margin:0;font-size:12px}.total-card h2{letter-spacing:-1px;margin:8px 0 5px;font-size:38px}.total-card h2 small{margin-right:6px;font-size:19px}.total-card span{color:#a0a9b8;font-size:11px}.status-card{padding:20px}.status-card>div{color:#7f899b;align-items:center;gap:8px;font-size:12px;display:flex}.status-card svg{color:#4c6fff;width:17px}.status-card b{margin:13px 0 5px;font-size:15px;display:block}.status-card p{color:#9aa4b4;margin:0;font-size:11px;line-height:1.5}.panel{margin-bottom:16px;padding:20px 22px}.panel-title{justify-content:space-between;align-items:center;display:flex}.panel-title h2{margin:0;font-size:15px}.panel-title p{color:#9aa5b5;margin:5px 0 0;font-size:11px}.chart-wrap{margin-top:15px}.chart-wrap svg{width:100%;height:210px}.grid{stroke:#edf0f5;stroke-width:1px}.line{fill:none;stroke:#4c6fff;stroke-width:3px;stroke-linejoin:round;stroke-linecap:round}.line-shadow{fill:none;stroke:#dfe5ff;stroke-width:12px;opacity:.42}.dot{fill:#fff;stroke:#4c6fff;stroke-width:3px}.axis{color:#a0aaba;justify-content:space-between;padding:0 3%;font-size:10px;display:flex}.teachers{padding-bottom:8px}.teacher{border:1px solid #edf0f5;border-radius:12px;margin-top:14px;overflow:hidden}.teacher-head{background:#fbfcfe;align-items:center;padding:14px 16px;display:flex}.teacher-avatar{color:#2e83c5;background:#eaf6ff;border-radius:50%}.teacher-head>div:nth-child(2){flex:1}.teacher h3{margin:0;font-size:13px}.teacher-head span{color:#99a3b2;font-size:10px}.teacher-head strong,.account strong{font-size:15px}.accounts{grid-template-columns:repeat(2,1fr);display:grid}.account{border-top:1px solid #edf0f5;justify-content:space-between;align-items:center;padding:13px 16px;display:flex}.account:nth-child(2n){border-left:1px solid #edf0f5}.account b,.account small{display:block}.account b{font-size:12px}.account small{color:#a0a9b7;margin-top:3px;font-size:9px}.account strong{font-size:13px}.empty{text-align:center;color:#9aa4b4;padding:42px;font-size:12px}.empty svg{margin:0 auto 9px;display:block}.error{color:#b42318;background:#fff0ee;border-radius:8px;padding:9px 11px;font-size:12px}.banner{margin-bottom:14px}.login{background:radial-gradient(circle at 20% 20%,#e9eeff 0,#0000 35%),#f6f8fc;place-items:center;min-height:100vh;padding:20px;display:grid}.login-card{background:#fff;border:1px solid #e6eaf1;border-radius:20px;width:min(420px,100%);padding:36px;box-shadow:0 20px 60px #1f365f17}.brand.large{margin-bottom:32px}.login h1{margin:0 0 6px;font-size:25px}.login p{color:#8994a6;margin:0 0 25px;font-size:13px}.login label{margin:13px 0;font-size:12px;font-weight:600;display:block}.login input{border:1px solid #dfe4ec;border-radius:9px;outline:none;width:100%;height:44px;margin-top:7px;padding:0 12px;display:block}.login input:focus{border-color:#4c6fff;box-shadow:0 0 0 3px #4c6fff16}.login .primary{width:100%;margin-top:18px}.loading{color:#7f8998;place-items:center;min-height:100vh;display:grid}.mobile-menu,.scrim{display:none}.admin-page{max-width:1100px;min-height:100vh;margin:auto;padding:30px}.admin-page header{align-items:center;gap:20px;display:flex}.admin-page h1{font-size:24px}.ghost{background:#fff;border:1px solid #dfe4ec;border-radius:9px;padding:9px 12px}.admin-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.admin-grid .panel{margin:0}.admin-grid h2{margin-top:0;font-size:16px}.admin-grid .wide{grid-column:1/-1}.inline{gap:8px;display:flex}.inline input{border:1px solid #dfe4ec;border-radius:8px;flex:1;padding:0 10px}.full{width:100%}.row{border-top:1px solid #edf0f5;align-items:center;gap:9px;padding:12px 0;font-size:12px;display:flex}.row:first-of-type{margin-top:12px}.row b{flex:1}.row span{color:#8691a3}.row code{color:#7c8798}.hint{color:#8b95a6;font-size:11px;line-height:1.5}@media (width<=760px){.shell aside{transition:all .2s;transform:translate(-100%)}.shell aside.open{transform:none;box-shadow:20px 0 50px #17213b24}.scrim{z-index:20;background:#14213d40;border:0;display:block;position:fixed;inset:0}.content{margin:0;padding:18px 15px 38px}.mobile-menu{background:#fff;border:0;border-radius:10px;place-items:center;width:38px;height:38px;margin-right:12px;display:grid}.mobile-menu svg{width:20px}.top{justify-content:flex-start;margin-bottom:18px}.top h1{font-size:20px}.fresh{margin-left:auto;padding:8px}.fresh>div{display:none}.filters{grid-template-columns:1fr auto 1fr;align-items:center;gap:6px;display:grid}.filters label{min-width:0;padding:0 8px}.filters label svg{display:none}.filters input{width:100%;font-size:11px}.filters>span{padding:0}.filters .select{grid-column:1/3;margin:0}.filters .refresh{grid-column:3}.summary{grid-template-columns:1fr}.total-card h2{font-size:34px}.status-card{align-items:center;gap:15px;display:flex}.status-card>div span{display:none}.status-card b{white-space:nowrap;margin:0}.status-card p{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.panel{padding:17px 14px}.chart-wrap svg{height:170px}.accounts{grid-template-columns:1fr}.account:nth-child(2n){border-left:0}.teacher-head{padding:13px}.teacher-head strong{font-size:14px}.admin-page{padding:18px 14px}.admin-grid{grid-template-columns:1fr}.admin-grid .wide{grid-column:auto}.login-card{padding:28px 22px}.empty{padding:34px 15px}}.notice{color:#18794e;background:#eefbf4;border-radius:9px;margin-bottom:14px;padding:10px 12px;font-size:12px}.stack{gap:9px;display:grid}.stack input,.stack select{background:#fff;border:1px solid #dfe4ec;border-radius:8px;height:40px;padding:0 10px}.stack .field-note{color:#8792a4;font-size:10px}.stack .field-note input{width:100%;margin-top:5px;display:block}.sync-form{align-items:end;gap:10px;display:flex}.sync-form label{color:#7e899b;flex:1;font-size:11px}.sync-form input{border:1px solid #dfe4ec;border-radius:8px;width:100%;height:40px;margin-top:5px;padding:0 10px;display:block}@media (width<=600px){.sync-form{display:grid}.sync-form .primary{width:100%}}@media (width<=760px){.summary{grid-template-columns:minmax(0,1fr)}.total-card,.status-card,.status-card p{min-width:0}}.overview{max-width:1180px;margin:auto}.range-header{align-items:center;gap:12px;display:flex}.range-trigger{color:#233653;background:#fff;border:1px solid #dce3ef;border-radius:10px;align-items:center;gap:10px;padding:12px 14px;font-size:13px;display:flex}.range-trigger em{color:#a0a9b7;margin:0 8px;font-style:normal}.update-label{color:#8994a6;margin-left:auto;font-size:11px}.update-label b{color:#58667c;margin-top:3px;font-weight:500;display:block}.icon-refresh{color:#647590;background:#fff;border:0;border-radius:8px;padding:10px}.quick-ranges{flex-wrap:wrap;gap:6px;margin:14px 0 26px;display:flex}.quick-ranges button,.mode-tabs button{color:#6a788e;background:0 0;border:0;border-radius:7px;padding:8px 13px;font-size:12px}.quick-ranges button.chosen,.mode-tabs .chosen{color:#4264e9;background:#e7edff;font-weight:600}.metric-strip{background:#fff;border:1px solid #e7ecf3;border-radius:14px;grid-template-columns:1.4fr 1fr 1fr;margin-bottom:28px;padding:24px 0;display:grid}.metric-strip>div{border-right:1px solid #eef1f5;padding:0 26px}.metric-strip>div:last-child{border:0}.metric-strip span{color:#7e8a9d;font-size:12px;display:block}.metric-strip strong{letter-spacing:-.6px;margin-top:9px;font-size:30px;display:block}.metric-strip strong small{font-size:18px}.metric-strip small{color:#99a4b5;font-size:10px}.metric-strip .placeholder{color:#a3acba;margin-top:4px;font-size:26px}.board-heading{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.board-heading h2{margin:0;font-size:16px}.board-heading>span{color:#8995a7;font-size:11px}.teacher-board{margin-bottom:28px}.table-heading,.teacher-detail summary{grid-template-columns:1.5fr 1fr 1fr 1fr;align-items:center;gap:12px;display:grid}.table-heading{color:#94a0b2;padding:12px 20px;font-size:11px}.teacher-detail{background:#fff;border:1px solid #e5eaf2;border-radius:11px;margin-bottom:9px}.teacher-detail summary{cursor:pointer;padding:18px 20px;list-style:none}.teacher-detail summary::-webkit-details-marker{display:none}.teacher-name{align-items:center;gap:11px;display:flex}.teacher-name b{font-size:14px}.teacher-name small{color:#95a0b2;align-items:center;gap:4px;margin-top:4px;font-size:10px;display:flex}.teacher-stat b{font-variant-numeric:tabular-nums;font-size:15px}.teacher-stat label{display:none}.muted b{color:#a0a9b8;font-size:12px;font-weight:400}.account-lines{background:#fafbfd;border-top:1px solid #eef1f6;border-radius:0 0 11px 11px;padding:0 20px}.account-lines>div{border-bottom:1px solid #edf0f5;justify-content:space-between;gap:12px;padding:14px 0;display:flex}.account-lines>div:last-child{border:0}.account-lines b{overflow-wrap:anywhere;font-size:12px}.account-lines small{color:#929fb1;margin-top:4px;font-size:10px;display:block}.account-lines strong{white-space:nowrap;font-size:13px}.missing{color:#ad7529!important}.trend-board{background:#fff;border:1px solid #e7ecf3;border-radius:14px;padding:20px}.board-heading select{color:#7e8b9e;background:#fff;border:1px solid #e3e8f0;border-radius:7px;padding:6px;font-size:11px}.bar-chart{align-items:end;gap:5px;min-height:160px;padding-top:10px;display:flex;overflow:hidden}.bar-chart>div{text-align:center;flex:1;min-width:0}.bar-chart i{background:#8199f5;border-radius:4px 4px 0 0;max-width:28px;margin:auto;display:block}.bar-chart small{color:#8c99ac;height:28px;margin-top:6px;font-size:9px;display:block;overflow:hidden}.snapshot-note{color:#63718a;background:#f0f3fa;border-radius:9px;margin-bottom:16px;padding:12px 16px;font-size:12px;line-height:1.7}.date-overlay{z-index:60;background:#192a4655;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.date-dialog{background:#fff;border-radius:18px;width:min(520px,100%);padding:24px;box-shadow:0 20px 70px #13244233}.date-dialog .board-heading button{color:#8994a7;background:0 0;border:0;font-size:25px}.date-dialog .quick-ranges{margin-bottom:18px}.mode-tabs{background:#f5f7fb;border-radius:9px;margin-bottom:18px;padding:4px;display:flex}.mode-tabs button{flex:1}.date-field{color:#7c899d;align-items:center;gap:8px;margin-bottom:14px;font-size:11px;display:flex}.date-field input{flex:1;min-width:0}.date-field input,.date-field select{color:#334562;background:#fff;border:1px solid #dfe5ef;border-radius:7px;height:40px;padding:0 8px}.date-dialog .primary{margin-top:18px}.overview button:hover{filter:brightness(.97)}@media (width<=760px){.content{padding:16px 14px 32px}.range-header{flex-wrap:wrap;gap:8px}.range-header .mobile-menu{flex:none;margin:0}.range-trigger{flex:1;gap:5px;min-width:0;padding:10px;font-size:10px}.range-trigger span{overflow-wrap:anywhere}.range-trigger em{margin:0 3px}.range-trigger>svg{flex-shrink:0;width:14px}.update-label{gap:6px;margin-left:auto;font-size:10px;display:flex}.update-label b{margin:0}.icon-refresh{padding:6px}.quick-ranges{gap:3px;margin:12px 0 18px}.quick-ranges button{padding:7px 9px;font-size:11px}.metric-strip{grid-template-columns:1.4fr 1fr 1fr;margin-bottom:22px;padding:18px 0}.metric-strip>div{min-width:0;padding:0 12px}.metric-strip strong{overflow-wrap:anywhere;font-size:21px}.metric-strip strong small{font-size:12px}.metric-strip span{font-size:10px}.metric-strip small{font-size:9px}.metric-strip .placeholder{font-size:21px}.table-heading{display:none}.teacher-detail summary{grid-template-columns:1.3fr 1fr 1fr;gap:16px 10px;padding:15px}.teacher-name{grid-column:1/-1}.teacher-stat label{color:#939fb1;margin-bottom:6px;font-size:10px;display:block}.teacher-stat b{font-size:14px}.muted b{font-size:12px}.board-heading h2{font-size:14px}.board-heading>span{font-size:10px}.account-lines{padding:0 14px}.date-overlay{align-items:end;padding:0}.date-dialog{padding:22px 16px max(24px,env(safe-area-inset-bottom));border-radius:20px 20px 0 0;max-height:95vh;overflow:auto}.date-field{gap:5px}.date-field input,.date-field select{padding:0 5px}.date-field select{max-width:54px}}.trend-controls{align-items:center;gap:8px;display:flex}.trend-controls input{color:#647590;min-width:0;max-width:145px;font:inherit;background:#fff;border:1px solid #e3e8f0;border-radius:7px;padding:6px;font-size:11px}.trend-cutoff{color:#8995a7;margin:0 0 10px;font-size:11px}.chart-detail{color:#8b96a7;align-items:center;gap:18px;height:42px;font-size:12px;display:flex}.chart-detail strong{color:#263b5c;font-variant-numeric:tabular-nums;font-size:17px}.numeric-chart{gap:10px;display:flex}.numeric-axis{color:#919dae;text-align:right;flex-direction:column;flex-shrink:0;justify-content:space-between;width:64px;padding:15px 0 32px;font-size:10px;display:flex}.numeric-scroll{scrollbar-width:thin;flex:1;min-width:0;padding-bottom:8px;overflow-x:auto}.numeric-bars{background:repeating-linear-gradient(0deg,#0000 0 64px,#f0f3f8 65px 66px);border-bottom:1px solid #e8edf5;align-items:end;gap:0;min-height:180px;display:flex}.numeric-bars button{color:#8b98ac;background:0 0;border:0;flex:1;min-width:0;padding:0 3px}.numeric-bar-space{flex-direction:column;justify-content:flex-end;align-items:center;height:155px;display:flex}.numeric-bar-space i{background:#829af3;border-radius:4px 4px 0 0;width:70%;min-width:3px;max-width:34px;display:block}.numeric-bars .selected i{background:#4264e9!important}.numeric-bars button:focus-visible{outline-offset:-2px;outline:2px solid #4264e9}.numeric-bars small{white-space:nowrap;height:24px;font-size:9px;line-height:24px;display:block}.bar-number{color:#5e7195;white-space:nowrap;margin-bottom:5px;font-size:10px}.five-bars button{flex:1 0 12px;width:12px;padding:0 2px}.five-bars i{border-radius:2px 2px 0 0;width:100%}.five-bars small{text-align:left}.gap .numeric-bar-space{border-bottom:1px dashed #dce2ed}@media (width<=760px){.numeric-axis{width:48px;font-size:9px}.trend-controls{gap:4px}.trend-controls input{max-width:116px;font-size:10px}.numeric-bars:not(.five-bars) small{max-width:55px;overflow:hidden}.trend-board{padding:16px 12px}.bar-number{font-size:9px}}