:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#24342f;background:#f4f6f1;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-height:100vh}
.topbar{height:72px;background:#193b34;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1120px)/2));gap:24px}
.brand{font-size:20px;font-weight:750;letter-spacing:-.025em;white-space:nowrap}
.brand span{font-weight:400;color:#9bceb5}
nav{display:flex;align-items:center;gap:18px;font-size:13px}
nav a,nav .link{color:#fff;text-decoration:none}
nav form{margin:0}
nav .link{background:none;border:0;padding:0;font:inherit;cursor:pointer;text-decoration:underline}
main{width:min(1120px,calc(100% - 48px));margin:48px auto 90px}
h1{font-size:clamp(32px,4vw,48px);letter-spacing:-.045em;line-height:1.1;margin:8px 0 14px}
h2{font-size:21px;letter-spacing:-.025em;margin:0 0 20px}
p{line-height:1.6}
.intro{color:#5f7068;margin:0 0 30px}
.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:#537665}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:28px 0 42px}
.school-card,.card{background:#fff;border:1px solid #dee7dc;border-radius:18px;box-shadow:0 10px 28px #1a3c3310}
.school-card{display:flex;flex-direction:column;justify-content:space-between;min-height:145px;padding:26px;color:inherit;text-decoration:none;transition:transform .15s,border-color .15s}
.school-card:hover{transform:translateY(-3px);border-color:#64a782}
.school-card strong{font-size:22px;letter-spacing:-.03em}
.school-card span{color:#547468;font-size:13px}
.card{padding:28px;margin:18px 0}
.columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;margin:18px 0}
.columns .card{margin:0}
.narrow{max-width:520px;margin:60px auto}
.auth{max-width:430px;margin:80px auto}
.auth p{color:#62736a}
form{display:grid;gap:16px}
label{display:grid;gap:7px;font-size:13px;font-weight:650;color:#395448}
input,select{font:inherit;width:100%;border:1px solid #bfd1c3;border-radius:9px;padding:12px 13px;color:#1f3028;background:#fff}
input:focus,select:focus{outline:2px solid #4c9d73;outline-offset:2px}
button{font:inherit;font-weight:700;border:0;border-radius:9px;background:#26754d;color:#fff;padding:13px 19px;cursor:pointer}
button:hover{background:#185e3a}
button:disabled{opacity:.5;cursor:not-allowed}
#importPreview:not(:empty){border:1px solid #dee7dc;border-radius:9px;padding:12px 16px;background:#f7faf6}
#importPreview p{margin:0 0 8px;font-weight:700}
#importPreview ul{margin:0;padding-left:20px;line-height:1.7}
#importStatus:empty{display:none}
.back{color:#47715c;text-decoration:none;font-size:13px;font-weight:700}
.notice{background:#fff0d6;color:#6a4a17;border-radius:9px;padding:13px 15px;font-size:14px}
.students{list-style:none;margin:0;padding:0}
.students li{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid #e6ebe4}
.students li:last-child{border:0}
.students small,.small{color:#708076;font-size:12px}
.count{font-size:14px;background:#e6f4e9;color:#31744c;border-radius:99px;padding:4px 10px;vertical-align:middle}
@media(max-width:680px){.topbar{height:auto;min-height:70px;padding:16px 24px;align-items:flex-start;flex-direction:column;gap:8px}nav{flex-wrap:wrap}main{margin-top:32px}.auth{margin:30px auto}}