.sidebar{width:260px;height:100vh;border-radius:0;border-left:none;border-top:none;border-bottom:none;display:flex;flex-direction:column;flex-shrink:0;z-index:10}.sidebar-header{padding:24px;display:flex;align-items:center;border-bottom:1px solid var(--border-light)}.logo-container{display:flex;align-items:center;gap:12px}.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--accent-primary) 0,var(--accent-secondary) 100%);border-radius:8px;box-shadow:var(--shadow-glow)}.logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(90deg,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{padding:24px 16px;display:flex;flex-direction:column;gap:8px;flex:1 1;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-weight:500;transition:all var(--transition-fast)}.nav-item:hover{background:rgba(255,255,255,.05);color:var(--text-primary)}.nav-item.active{background:rgba(99,102,241,.15);color:var(--accent-primary);border-right:3px solid var(--accent-primary)}.nav-icon{flex-shrink:0}.sub-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px;margin-bottom:8px;padding-left:14px;border-left:1px dashed rgba(255,255,255,.1);margin-left:24px}.sub-nav-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;color:var(--text-secondary);text-decoration:none;font-size:13px;font-weight:500;transition:all var(--transition-fast)}.sub-nav-item:hover{color:var(--text-primary);background:rgba(255,255,255,.05)}.sub-nav-item.active{color:var(--accent-primary);background:rgba(99,102,241,.1)}.sub-nav-bullet{width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.5}.sub-nav-item.active .sub-nav-bullet{opacity:1}