:root{--blue:#2359d9;--navy:#102448;--text:#20304d;--muted:#65758c;--line:#e0e6ee;--bg:#f3f6fb;--green:#13734a;--red:#b43c43;--amber:#9b6508}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #76a5ff;outline-offset:3px}header{background:var(--navy);color:#fff;padding:18px max(24px,calc((100vw - 1250px)/2));display:flex;align-items:center;gap:24px;flex-wrap:wrap}h1{font-size:22px;margin:0;font-weight:650}header .classes{display:flex;gap:8px}.class-button{padding:9px 18px;color:#dce6fa;background:transparent;border:1px solid #60708c;border-radius:8px}.class-button.active{background:#fff;color:var(--navy);border-color:#fff}header .count{font-size:14px;color:#c1cde1;margin-left:auto}.draft{background:#fff8e7;color:#78530f;text-align:center;padding:9px 18px;font-size:14px;border-bottom:1px solid #eadfbd}main{max-width:1250px;margin:auto;padding:25px 24px 48px}.nav{display:flex;gap:25px;border-bottom:1px solid var(--line);margin-bottom:24px}.tab{border:0;border-bottom:3px solid transparent;padding:0 2px 12px;background:none;color:var(--muted);font-weight:600}.tab.active{color:var(--blue);border-color:var(--blue)}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}h2{font-size:22px;margin:0 0 8px}h3{font-size:17px;margin:0 0 14px}.sub{color:var(--muted);font-size:14px}.button{border:1px solid var(--line);background:white;border-radius:7px;padding:9px 16px;color:var(--text)}.primary{background:var(--blue);border-color:var(--blue);color:white}.toolbar{margin-bottom:18px}.toolbar select{max-width:410px;min-width:200px}.grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:20px}.info{padding:16px 20px;background:#edf3ff;border:1px solid #d0dffc;border-radius:9px;margin-bottom:18px}.info strong{color:var(--blue)}label{display:block;font-size:14px;color:var(--muted);margin-bottom:6px}input,select{padding:10px 12px;border:1px solid #cbd5e2;border-radius:7px;background:#fff;color:var(--text);max-width:100%;width:100%}.number-input{width:130px;font-size:30px;letter-spacing:2px;padding:8px 15px;color:var(--navy)}.identity{min-height:52px;font-size:25px;font-weight:650;display:flex;align-items:center;gap:10px;margin:18px 0 12px}.identity .sub{font-size:14px;font-weight:400}.keypad{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}.key{height:57px;background:#fff;border:1px solid #d5dfed;color:var(--navy);font-size:24px;border-radius:8px;font-variant-numeric:tabular-nums}.key:hover:not(:disabled){background:#edf3ff;border-color:var(--blue);color:var(--blue)}.key.selected{background:#edf3ff;border:2px solid var(--blue)}.key.other{font-size:16px}.minor{display:flex;align-items:center;gap:9px;background:#f6f8fc;border:1px solid var(--line);padding:12px;border-radius:7px;margin:18px 0 0;font-size:15px;color:var(--text)}.minor input{width:19px;height:19px;margin:0}.save-result{min-height:28px;margin:13px 0 0;font-size:14px;color:var(--green)}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 20px}.stat{background:#f5f7fc;padding:14px;border-radius:7px}.stat b{font-size:27px;display:block}.stat span{font-size:14px;color:var(--muted)}.badge{display:inline-block;border-radius:5px;font-size:14px;padding:3px 9px;background:#eef1f6;color:#586b83;white-space:nowrap}.excellent{background:#e3f5ec;color:var(--green)}.pass{background:#e8efff;color:var(--blue)}.redo{background:#ffeded;color:var(--red)}.empty{padding:32px 10px;text-align:center;color:var(--muted)}.empty.start{padding:55px 25px;background:#fff;border:1px solid var(--line);border-radius:12px}.empty h2{color:var(--text)}.recent{list-style:none;padding:0;margin:0}.recent li{padding:13px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}.recent button{background:none;border:0;padding:0;text-align:left;color:var(--text)}.recent small{display:block;color:var(--muted);font-size:14px}.roster{margin-top:20px}.students{display:grid;grid-template-columns:repeat(8,1fr);gap:7px;margin-top:15px}.student-button{border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--text);padding:9px 4px;text-align:center;font-size:14px;min-height:71px}.student-button b{display:block;font-size:18px;font-variant-numeric:tabular-nums}.student-button.done{background:#f3f7ff;border-color:#bfcef0}.student-button .mini{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;margin-top:12px}th,td{border-bottom:1px solid var(--line);padding:13px 12px;text-align:left;white-space:nowrap}th{font-size:14px;color:var(--muted);font-weight:500}.notice{color:var(--muted);font-size:14px;margin:14px 0}.pill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.pill{border:1px solid var(--line);border-radius:6px;padding:6px 12px}.plot{width:100%;height:auto;max-height:250px;display:block;margin-top:20px}.parent-header{background:var(--navy);border:0;color:white}.parent-header .sub{color:#c5d3ec}.parent-header h2{margin:0}.parent-header .badge{margin-top:14px}.parent-select{margin-bottom:20px}.parent-select select{max-width:320px}.mobile-heading{display:none}dialog{border:1px solid var(--line);border-radius:12px;padding:26px;width:min(460px,calc(100vw - 32px));color:var(--text)}dialog::backdrop{background:#14244388}dialog .field{margin-bottom:16px}dialog .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:23px}.form-error{color:var(--red);font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}footer{text-align:center;color:var(--muted);font-size:14px;margin-top:26px}.hidden{display:none!important}.status-actions{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}.status-actions button{padding:6px 12px;font-size:14px}
@media(max-width:900px){.grid,.split{grid-template-columns:1fr}.students{grid-template-columns:repeat(6,1fr)}header{padding:16px 20px}.count{display:none}main{padding:20px}.card{padding:20px}}@media(max-width:560px){header{gap:14px}h1{font-size:20px}header .classes{width:100%}.class-button{flex:1}.nav{gap:18px}.tab{font-size:14px}.students{grid-template-columns:repeat(4,1fr)}.keypad{grid-template-columns:repeat(4,1fr)}.stat{padding:10px}.stat b{font-size:24px}.toolbar select{width:100%;max-width:none}.toolbar{align-items:stretch}.identity{font-size:23px}.card{padding:18px}.stat-row{gap:7px}}
.publication{padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:9px;margin-bottom:18px}.publication strong{font-size:15px}.follow-person{margin-top:16px;padding:16px;background:#f5f7fc;border-radius:8px;min-height:64px}.follow-list .button{white-space:nowrap;min-height:44px}.follow-list li{gap:12px}.nav{overflow-x:auto;white-space:nowrap}.tab{flex-shrink:0}
.family-page main{max-width:790px}.family-page header{padding-left:max(24px,calc((100vw - 742px)/2));padding-right:max(24px,calc((100vw - 742px)/2))}.family-page .count{display:none}.family-selection{padding:18px 22px;margin-bottom:18px}.family-selection select{max-width:360px}.remember-choice{display:flex;align-items:center;gap:9px;margin:12px 0 0;color:var(--text);font-size:14px}.remember-choice input{width:18px;height:18px;margin:0}.family-empty{margin-top:18px}.family-identity{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:24px 0 14px}.family-identity h2{font-size:20px;margin:0}.latest-result h2{margin:15px 0 22px;font-size:23px;overflow-wrap:anywhere}.latest-result>.row>.badge{font-size:17px;padding:5px 14px}.latest-metrics{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:600px;margin-bottom:20px}.latest-metrics>div{background:#f3f6fb;padding:16px;border-radius:8px}.latest-metrics span{display:block;color:var(--muted);font-size:14px}.latest-metrics strong{font-size:32px;line-height:1.5;font-variant-numeric:tabular-nums}.latest-metrics small{font-size:16px;font-weight:400;color:var(--muted)}.next-step{padding:16px;background:#edf6f1;border:1px solid #c5e3d5;border-radius:8px}.next-step strong{font-size:19px}.next-step p{margin:6px 0 0}.next-step.needs-follow{background:#fff6e9;border-color:#f0d8b2}.family-details{margin-top:16px;padding:18px 22px}.family-details summary{font-weight:600;cursor:pointer}.family-history{list-style:none;padding:0;margin:8px 0 0}.family-history li{padding:18px 0;border-bottom:1px solid var(--line)}.family-history li:last-child{border:0;padding-bottom:0}.family-history h3{margin:9px 0;overflow-wrap:anywhere}.family-history .row{align-items:baseline}.family-history .sub{margin-top:5px}@media(max-width:560px){.family-page header{padding:16px 20px}.family-page main{padding:18px 16px 35px}.family-selection,.family-details{padding:16px}.latest-metrics{gap:10px}.latest-metrics>div{padding:12px}.latest-metrics strong{font-size:29px}.family-page h1{font-size:21px}.family-selection select{max-width:none}.latest-result h2{font-size:21px}}
.sync-status{max-width:1202px;margin:12px auto 0;padding:9px 18px;color:var(--green);font-size:14px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.family-page .sync-status{max-width:742px}.sync-status.loading,.sync-status.saving{color:var(--muted)}.sync-status.error,.sync-status.conflict{color:var(--red);background:#fff0ec;border:1px solid #f0c7bf;border-radius:8px}.sync-status .button{font-size:14px;padding:5px 10px}@media(max-width:560px){.sync-status{margin:10px 16px 0;padding:8px 0}.sync-status.error,.sync-status.conflict{padding:10px}}

.teacher-links{display:flex;gap:16px;font-size:14px}.teacher-links a{color:#dce6fa}.auth-link{display:inline-block;text-decoration:none}