.activity-entry{margin-top:16px}
.activity-entry .checkin-activity-copy>p:last-child{margin:0}
.activity-detail-root{background:var(--page);scroll-padding-top:24px}
.activity-detail-body{min-height:100svh;background:var(--page)}
.activity-detail-shell{width:calc(100% - 48px);max-width:920px;margin:0 auto}
.activity-detail-top{padding:18px 0;background:var(--blush);border-bottom:1px solid var(--line)}
.activity-detail-top-row{display:flex;align-items:center;justify-content:space-between;gap:24px;--logo-light:0;--logo-dark:1}
.activity-detail-header-note{color:var(--muted);font-size:12px}
.activity-detail-navigation{margin:-24px 0 10px}
.activity-detail-back{display:inline-flex;align-items:center;gap:7px;min-height:44px;color:var(--accent);font-size:13px;line-height:1.4;letter-spacing:0;text-decoration:none}
.activity-detail-back svg{flex:none;width:18px;height:18px}
.activity-detail-back:hover{color:var(--ink)}
.activity-detail-main{padding:36px 0 48px}
.activity-detail-label{font-size:11px;color:var(--accent);margin:0 0 14px}
.activity-detail-main .checkin-activity{margin:0;max-width:none;background:#fff9fb;border-color:var(--line)}
.activity-detail-main .student-rules-content{row-gap:24px}
.activity-detail-footer-link{display:inline-block;margin-top:24px;color:var(--accent);font-size:12px;text-decoration:underline;text-underline-offset:4px}
@media(max-width:600px){.activity-entry{margin-top:14px}.activity-detail-shell{width:calc(100% - 32px)}.activity-detail-top{padding:14px 0}.activity-detail-back{font-size:12px}.activity-detail-main{padding:28px 0 36px}.activity-detail-main .checkin-activity{padding:22px 18px}.activity-detail-main .student-rules-content{gap:20px}}