.main-header{justify-content:space-between;padding:0 24px;height:64px;background:white;border-bottom:1px solid #e2e8f0;position:-webkit-sticky;position:sticky;top:0;z-index:30}.header-brand,.main-header{display:flex;align-items:center}.header-brand{gap:12px;color:#1e293b}.brand-text{display:flex;flex-direction:column}.brand-title{font-size:16px;font-weight:600;color:#1e293b;line-height:1.2}.brand-subtitle{font-size:12px;color:#64748b}.header-nav{display:flex;gap:4px}.nav-link{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;color:#64748b;text-decoration:none;transition:all .2s ease}.nav-link:hover{background:#f8fafc;color:#1e293b}.nav-link.active{background:#eff6ff;color:#3b82f6}.admin-link,.header-actions{display:flex;align-items:center}.admin-link{justify-content:center;width:40px;height:40px;border-radius:8px;color:#64748b;text-decoration:none;transition:all .2s ease}.admin-link:hover{background:#f8fafc;color:#1e293b}@media (max-width:640px){.main-header{padding:0 16px}.brand-text,.nav-link span{display:none}.nav-link{padding:10px}}