.sidebar{background:var(--sidebar-bg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-right:1px solid var(--sidebar-border);width:15.5rem;color:var(--text-light);flex-direction:column;flex-shrink:0;min-height:100vh;padding:1.25rem 1rem;transition:width .18s;display:flex}.sidebar-collapsed{width:4.5rem}.sidebar-top{justify-content:space-between;align-items:center;margin-bottom:1.75rem;display:flex}.sidebar-brand{align-items:center;gap:.6rem;min-width:0;display:flex}.sidebar-brand-mark{background:linear-gradient(135deg, var(--gradient-end), var(--accent-rose));color:#fff;border-radius:.6rem;flex-shrink:0;justify-content:center;align-items:center;width:2rem;height:2rem;display:flex}.sidebar-brand-name{color:var(--text-heading);white-space:nowrap;text-overflow:ellipsis;font-size:.98rem;font-weight:700;overflow:hidden}.sidebar-top-actions{flex-shrink:0;align-items:center;gap:.4rem;display:flex}.sidebar-collapse-btn{border:1px solid var(--sidebar-border);width:1.75rem;height:1.75rem;color:var(--muted);cursor:pointer;background:0 0;border-radius:.4rem;flex-shrink:0;justify-content:center;align-items:center;display:flex}.sidebar-collapse-btn:hover{background:var(--sidebar-hover-bg);color:var(--text-heading)}.sidebar-collapse-icon-flipped{transform:rotate(180deg)}.sidebar-nav{flex-direction:column;flex:1;gap:1.5rem;display:flex;overflow:hidden}.sidebar-section{flex-direction:column;gap:.25rem;display:flex}.sidebar-section-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem;padding:0 .6rem;font-size:.7rem;font-weight:600}.sidebar-link{color:var(--text-light);white-space:nowrap;border-radius:.55rem;align-items:center;gap:.7rem;padding:.55rem .6rem;font-size:.9rem;font-weight:500;text-decoration:none;display:flex;overflow:hidden}.sidebar-link-button{cursor:pointer;text-align:left;background:0 0;border:none;width:100%;font-family:inherit}.sidebar-link span{text-overflow:ellipsis;overflow:hidden}.sidebar-link:hover{background:var(--sidebar-hover-bg);color:var(--text-heading)}.sidebar-link-active,.sidebar-link-active:hover{background:linear-gradient(135deg, var(--gradient-end), var(--accent-rose));color:#fff}.sidebar-signout{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:.55rem;align-items:center;gap:.7rem;margin-top:.5rem;padding:.6rem;font-size:.9rem;font-weight:500;display:flex;overflow:hidden}.sidebar-signout:hover{background:var(--sidebar-hover-bg);color:var(--text-heading)}.app-shell{min-height:100vh;display:flex}.app-content{flex:1;min-width:0;padding:2.5rem 3rem}@media (width<=48rem){.app-content{padding:1.5rem}}