:root{color-scheme:light;--ink:#182b38;--muted:#526670;--line:#dce6e9;--accent:#176257;--surface:#fff;--wash:#f2f6f6}
a{color:var(--accent)}.auth{max-width:500px}.stacked{grid-template-columns:1fr!important}.account-bar{justify-content:flex-end;margin-bottom:15px}.grade input{width:110px}
*{box-sizing:border-box}body{margin:0;background:var(--wash);color:var(--ink);font:15px/1.6 system-ui,"Microsoft YaHei",sans-serif}
button,input,select,textarea{font:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #419987;outline-offset:2px}
.layout{min-height:100vh;display:grid;grid-template-columns:234px minmax(0,1fr)}aside{background:#123832;color:#e6f2ef;padding:25px 17px}.brand{font-size:23px;font-weight:800;letter-spacing:.06em;padding:2px 10px}.brand small{display:block;color:#b4d6ce;font-size:12px;letter-spacing:0;font-weight:500}.nav-group{margin:21px 10px 6px;color:#a9ccc3;font-size:12px}.nav-button{display:block;width:100%;text-align:left;color:inherit;background:transparent;border:0;padding:7px 10px;border-radius:7px}.nav-button[aria-current=page]{background:#275a50;color:white;font-weight:700}.nav-button:hover{background:#204b43}
main{padding:34px clamp(15px,4vw,50px) 60px;max-width:1440px;width:100%;margin:auto;min-width:0}
.notice{margin:0 0 22px;padding:9px 13px;background:#e6f2ef;color:#285a50;border:1px solid #c9e2da;border-radius:8px;font-size:13px}
.kicker{margin:0;color:var(--accent);font-weight:700;font-size:13px}h1{margin:3px 0 4px;font-size:clamp(28px,4vw,40px);line-height:1.2}h2{font-size:20px;margin:0 0 12px}p{margin:8px 0 14px}
.muted{color:var(--muted)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:19px;margin:16px 0;min-width:0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(142px,1fr));gap:12px;margin:20px 0}.card{display:block;border:1px solid var(--line);background:white;border-radius:12px;text-align:left;padding:16px;color:var(--ink)}.card strong{display:block;font-size:26px}.card span{color:var(--muted)}
form{margin:0}.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(176px,1fr));gap:12px;margin-bottom:14px}label{display:grid;gap:4px;font-weight:650;font-size:13px}label span{font-weight:500;color:var(--muted)}
input,select,textarea{width:100%;border:1px solid #bcced0;color:var(--ink);background:white;border-radius:7px;padding:7px 9px;min-height:38px}textarea{resize:vertical;min-height:70px}
.btn{border:1px solid #bdcecf;border-radius:7px;background:white;color:var(--ink);padding:7px 12px;font-weight:650}.btn.primary{background:var(--accent);color:white;border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:default}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:nowrap}td,th{border-bottom:1px solid var(--line);padding:9px 11px;text-align:left}th{background:#f0f5f4;font-size:13px;color:#40565c}td{max-width:320px;overflow:hidden;text-overflow:ellipsis}.empty{color:var(--muted);padding:12px}.msg{min-height:24px;color:#1c6154;font-weight:650;margin:12px 0}.msg.error{color:#a12924}.tag{display:inline-block;background:#edf5f2;color:#266154;border-radius:30px;padding:1px 8px;font-size:13px}
.audit{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:12px;margin:13px 0}.audit div{padding:10px;background:#f0f5f4;border-radius:8px}.audit strong{display:block}.print-card{display:none}.lookup{max-width:360px;margin:0 0 12px}
@media(max-width:760px){.layout{display:block}aside{padding:14px}nav{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.nav-group{display:none}.nav-button{width:auto;padding:5px 8px;font-size:13px}main{padding-top:20px}.panel{padding:13px}}
@media print{body.printing .layout{display:none}body.printing .print-card{display:block;padding:24px}body{background:white}.print-card td{max-width:none}}