.unitResourceSection{margin:18px 0;padding:18px;border:1px solid #bfdbfe;border-radius:16px;background:#f6faff;color:#12233d}
.unitResourceSection h2{margin:0 0 12px;font-size:21px}.unitResourceGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.unitResourceCard{min-height:140px;padding:16px;border:1px solid #dbeafe;border-radius:12px;background:#fff}.unitResourceCard h3{margin:0 0 12px;font-size:17px}
.unitResourceCard video,.unitResourceCard iframe{display:block;width:100%;max-height:440px;aspect-ratio:16/9;border:0;background:#07182f;border-radius:9px}
.unitResourcePreview{max-width:640px;margin:12px 0 18px}.unitResourcePreview video,.unitResourcePreview iframe{display:block;width:100%;max-height:400px;aspect-ratio:16/9;border:0;background:#07182f;border-radius:9px}
.weeklyStudyGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.weeklyStudyGrid>div{padding:16px;border:1px solid #c9ddf6;border-radius:12px;background:#fff}.weeklyStudyGrid strong{display:block;font-size:26px;color:#123d70}.weeklyStudyGrid span{display:block;font-size:14px;color:#34506c}@media(max-width:700px){.weeklyStudyGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.unitResourceEmpty{min-height:70px}.unitResourceEditor{padding:20px}.unitResourcePickers{display:flex;gap:14px;flex-wrap:wrap}.unitResourceEditor label{display:block;font-weight:700;margin:12px 0;color:#12233d}
.unitResourceEditor select,.unitResourceEditor input{display:block;width:100%;max-width:480px;margin-top:6px;padding:10px;border:1px solid #94a3b8;border-radius:8px;background:#fff;color:#12233d}
.unitResourceEditor details{padding:10px 0}.unitResourceEditor summary{cursor:pointer;color:#1d4ed8;font-weight:700}.unitResourceHelp{color:#475569;font-size:14px}.teacherLevelCard [data-upload-unit-materials]{display:block;margin-top:9px;background:#e8f1ff;color:#123a7d}
.unitResourceUnitGrid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:12px 0 22px}.unitResourceUnitGrid button{padding:14px 8px;border:1px solid #bfd3f5;border-radius:10px;background:#fff;color:#173867;font:inherit;font-weight:800;text-align:center}.unitResourceUnitGrid button small{display:block;margin-top:5px;color:#64748b;font-size:12px;font-weight:500}.unitResourceUnitGrid button.selected{background:#1d4ed8;border-color:#1d4ed8;color:#fff}.unitResourceUnitGrid button.selected small{color:#dbeafe}.unitResourceEditor #unitResourceHeading{font-size:21px;color:#12233d}
@media(max-width:700px){.unitResourceUnitGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.unitResourceForms,.unitResourceForm{min-width:0}.unitResourceForm{padding:16px 0;border-top:1px solid #cbd5e1}.unitResourceActions{display:flex;gap:9px;flex-wrap:wrap}
.teacherStudentList{padding:20px}.teacherStudentRows{display:grid;gap:8px}.teacherStudentRow{display:grid;grid-template-columns:1fr 1fr 70px;gap:12px;padding:12px;border-bottom:1px solid #e2e8f0;color:#12233d}
@media(max-width:700px){.unitResourceGrid{grid-template-columns:1fr}.teacherStudentRow{grid-template-columns:1fr;gap:3px}}
.teacherStudentRow{grid-template-columns:minmax(140px,1fr) minmax(180px,1fr) 60px minmax(140px,1fr) auto;align-items:center}
.gradeUnit{border:1px solid #dbe3ef;border-radius:12px;overflow:hidden;background:#fff;color:#173867}
.gradeUnit summary{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:16px;padding:14px;cursor:pointer;background:#f8fbff}
.gradeUnit summary span:last-child{min-width:125px;text-align:right}
@media(max-width:800px){.teacherStudentRow{grid-template-columns:1fr}.gradeUnit summary{gap:7px;font-size:13px}}