.sidebar-box{background:#fff;border:1px solid #f1f5f9;border-radius:12px;padding:24px;box-shadow:0 4px 12px #00000008}.sidebar-box.blue-bg{color:#fff;text-align:center;background:#1e40af;border:none}.sidebar-box.blue-bg h3{margin-bottom:12px;font-size:18px}.sidebar-box.blue-bg p{opacity:.9;margin-bottom:20px;font-size:13px;line-height:1.5}.sidebar-box.blue-bg button{color:#1e40af;cursor:pointer;background:#fef08a;border:none;border-radius:6px;width:100%;padding:10px 24px;font-weight:700}.sidebar-box.light-blue-bg{background:#f0f9ff;border:1px solid #e0f2fe}.popular-title{text-transform:uppercase;color:#0f172a;align-items:center;gap:8px;margin-bottom:20px;font-size:13px;font-weight:700;display:flex}.popular-list{flex-direction:column;gap:16px;display:flex}.popular-item{align-items:center;gap:12px;display:flex}.popular-img{object-fit:cover;border-radius:6px;flex-shrink:0;width:60px;height:60px}.popular-info h4{color:#0f172a;margin:0 0 6px;font-size:13px;font-weight:600;line-height:1.4}.popular-info span{color:#64748b;font-size:11px}.weekly-digest h3{color:#0f172a;margin-bottom:8px;font-size:14px;font-weight:700}.weekly-digest p{color:#475569;margin-bottom:16px;font-size:13px;line-height:1.4}.digest-input{border:1px solid #cbd5e1;border-radius:6px;width:100%;margin-bottom:12px;padding:10px 12px;font-size:13px}.digest-btn{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:6px;width:100%;padding:10px;font-weight:600}