.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:#fff;border-bottom:1px solid #e2e8f0;color:#2d3748;padding:1rem 0;box-shadow:0 1px 3px #0000000d}.header-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}.logo{margin:0;font-size:1.5rem;font-weight:700;white-space:nowrap;color:#2d3748;text-decoration:none}.nav{display:flex;gap:1rem;flex:1}.nav-link{color:#4a5568;text-decoration:none;padding:.5rem 1rem;border-radius:8px;transition:all .2s ease;font-weight:500;font-size:.95rem}.nav-link:hover{background:#f7fafc;color:#2d3748}.nav-link.active{background:#edf2f7;color:#2d3748;font-weight:600}.user-info{display:flex;align-items:center;gap:.5rem}.username{font-weight:500;white-space:nowrap}.username{color:#2d3748;font-weight:500;white-space:nowrap}.logout-button{padding:.375rem .875rem;border:1px solid #e2e8f0;border-radius:6px;background:#fff;color:#4a5568;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .2s ease}.logout-button:hover{background:#f7fafc;border-color:#cbd5e0;color:#2d3748}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:2rem}.footer{background:#f8f9fa;padding:1.5rem;text-align:center;border-top:1px solid #e9ecef;margin-top:auto}.footer p{margin:0;color:#6c757d}@media(max-width:768px){.header-content{flex-direction:column;align-items:stretch}.nav{flex-direction:column;gap:.5rem}.nav-link{text-align:center}.main-content{padding:1rem}}