.student-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px max(20px,calc((100vw - 1200px)/2));background:#fff;border-bottom:1px solid var(--line)}
.student-header a{color:var(--brand);font-weight:700}.student-shell{max-width:1200px;margin:30px auto;padding:0 20px;display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px}.student-nav{position:sticky;top:20px;align-self:start;display:grid;gap:7px}.student-nav a{padding:12px 16px;border-radius:12px;color:var(--ink-500)}.student-nav a[aria-current=page]{background:var(--brand);color:white}.student-main{min-width:0}.student-main h1{font-size:32px}.student-main h2{font-size:25px;margin-bottom:12px}.student-main h3{font-size:19px}.student-main p{line-height:1.8}.student-note{padding:14px 18px;background:#f6ead8;border:1px solid #e6d3b5;border-radius:12px;margin:16px 0;color:#795536;font-size:14px}.student-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0}.student-card{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;overflow-wrap:anywhere}.student-card p{margin:10px 0;color:var(--ink-500)}.student-card .btn{margin-top:12px}.student-filters{display:flex;gap:16px;flex-wrap:wrap;margin:22px 0}.student-filters label{flex:1;min-width:180px}.student-filters select{width:100%;margin-top:6px}.student-file{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:12px 0}.student-file small{display:block;color:var(--ink-400);margin-top:6px}.student-empty{padding:26px;background:#fff;border:1px dashed var(--line);border-radius:14px;line-height:1.9}.student-main textarea{min-height:120px;width:100%;white-space:pre-wrap}.student-main label{display:block;margin:12px 0 5px}.student-main button:disabled{opacity:.55;cursor:not-allowed}.student-record{white-space:pre-wrap;border-left:3px solid var(--brand);padding:12px 16px;margin-top:14px;background:#fff}.student-syllabus li{padding:13px 8px;border-bottom:1px solid var(--line);list-style:decimal inside}.student-main [hidden]{display:none!important}.student-result{margin:14px 0;color:#795536}
.student-header-actions{display:flex;align-items:center;gap:12px}.student-header-actions .btn{margin:0}.student-community-compose{padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:16px;margin:18px 0 28px}.student-community-post{background:#fff;border:1px solid var(--line);border-radius:18px;margin:20px 0;padding:20px}.student-community-post>.student-community-post__body>.student-record-card{margin-top:0}.student-thread{margin-top:16px;padding:18px;background:#faf6ef;border-radius:14px;border-left:4px solid var(--brand)}.student-thread h3{margin:0 0 4px}.student-thread-count{display:inline-flex;min-width:26px;height:26px;padding:0 8px;align-items:center;justify-content:center;border-radius:13px;background:#ead3ba;color:#72451f;font-size:14px}.student-thread-note{color:var(--ink-500);font-size:14px}.student-thread-list>.student-record-card{background:#fff;margin:10px 0}.student-thread form{padding-top:8px;border-top:1px solid var(--line)}
@media(max-width:760px){.student-shell{grid-template-columns:1fr;margin-top:16px;gap:16px}.student-nav{position:static;display:flex;overflow:auto;padding-bottom:8px}.student-nav a{white-space:nowrap}.student-grid{grid-template-columns:1fr}.student-file{align-items:flex-start;flex-direction:column}.student-main h1{font-size:27px}.student-header{padding:16px}.student-header-actions{gap:8px}.student-header-actions .btn{padding:9px 12px}.student-card,.student-community-post{padding:18px}.student-thread{padding:14px}}
.student-shell[hidden]{display:none!important}