.brand img {
    width: auto;
    height: 76px;
}

.admin-logo img {
    display: block;
    width: auto;
    height: 74px;
    margin: auto;
}

.admin-shell.login-only {
    display: block;
}

.admin-shell.login-only .admin-main {
    min-height: 100vh;
}

.checks {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 20px;
}

.course-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr .6fr;
    gap: 8px 12px;
    align-items: center;
}

.course-grid input { margin: 0; }

fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
legend { font-weight: 750; padding: 0 7px; }
.student-checks { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px 16px; max-height: 360px; overflow: auto; }
.bulk-tools { display:flex; flex-wrap:wrap; gap:10px; align-items:end; margin:0 0 20px; padding:16px; background:var(--soft); border-radius:9px; }
.bulk-tools label { min-width:260px; }
.actions-inline { display:flex; flex-wrap:wrap; gap:10px; }

@media (max-width: 700px) {
    .checks { grid-template-columns: 1fr; }
    .course-grid { grid-template-columns: 1fr; }
    .student-checks { grid-template-columns: 1fr; }
    .course-grid strong { display: none; }
}