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ease}.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.nav-item.active{background:var(--bg-card);color:var(--text-primary);font-weight:600}.nav-icon{font-size:18px;width:18px;height:18px;flex-shrink:0;opacity:.7}.nav-item.active .nav-icon{opacity:1}.sidebar-footer{padding-top:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.user-section{display:flex;align-items:center;gap:10px;padding:0 12px}.user-info{flex:1;min-width:0}.user-email{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}.logout-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;background:var(--error-bg);border:1px solid rgba(239,68,68,.2);border-radius:8px;color:var(--error);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.logout-btn:hover{background:#ef444426;border-color:#ef44444d}.main-content{flex:1;padding:28px 36px;overflow-y:auto;background:var(--bg-content)}.mobile-topbar,.sidebar-overlay{display:none}@media(max-width:768px){.layout{flex-direction:column;height:100dvh;overflow:hidden}.mobile-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-sidebar);border-bottom:1px solid var(--border);flex-shrink:0;z-index:100}.mobile-logo{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--text-primary)}.hamburger{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:background .15s ease}.hamburger:hover{background:var(--bg-card)}.sidebar{display:flex;position:fixed;top:0;left:0;width:260px;height:100dvh;z-index:300;transform:translate(-100%);box-shadow:4px 0 24px 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