.classroom-tabs{max-width:1180px;margin:0 auto 22px;padding:0 24px;display:flex;gap:8px}.classroom-tabs button{padding:11px 18px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-weight:750;cursor:pointer}.classroom-tabs button.active{background:var(--navy);border-color:var(--navy);color:#fff}.lesson-deck{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:26px 0}.lesson-slide{min-height:180px;border-radius:16px;padding:24px;background:linear-gradient(145deg,#f4fff0,#e7f7f5);display:flex;flex-direction:column;justify-content:space-between}.lesson-slide:nth-child(3n+2){background:linear-gradient(145deg,#eff3ff,#f8f3ff)}.lesson-slide:nth-child(3n){background:linear-gradient(145deg,#fff8e8,#fff)}.lesson-slide span{font-weight:900;font-size:12px;color:var(--teal);letter-spacing:.12em}.lesson-slide p{font-size:17px;line-height:1.55;color:#243842}.live-session{display:grid;gap:5px;padding:14px;border-radius:12px;background:#eef8f5;margin:12px 0}.live-session a{color:var(--teal);font-weight:750}.calendar-board,.resource-board{grid-column:1/-1;display:grid;gap:12px}.calendar-event{display:grid;grid-template-columns:190px 1fr auto;gap:18px;align-items:center;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px}.calendar-event div{display:grid}.calendar-event span,.calendar-event time{color:var(--muted);font-size:13px}.calendar-event a{padding:8px 14px;border-radius:9px;background:var(--teal);color:#fff;text-decoration:none}.resource-board{grid-template-columns:repeat(2,minmax(0,1fr))}.resource-board h2{grid-column:1/-1}.resource-card{display:grid;gap:6px;padding:20px;border-radius:15px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink)}.resource-card span,.resource-card small{color:var(--muted)}.import-card,.transcript-card{margin-bottom:22px}.import-list{display:grid;gap:9px;margin:16px 0}.import-list label{padding:10px;border:1px solid var(--line);border-radius:9px}.import-list input{width:auto;margin:0 8px 0 0}@media(max-width:760px){.lesson-deck,.resource-board{grid-template-columns:1fr}.calendar-event{grid-template-columns:1fr}.classroom-tabs{overflow:auto}.lesson-slide{min-height:140px}}