.admin-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh;background:var(--color-gray-background);color:var(--color-text)}.admin-sidebar{background:var(--color-primary);color:var(--color-white);padding:1.5rem 1rem;border-right:1px solid rgba(255,255,255,.12);border-top-right-radius:var(--radius-drawer);border-bottom-right-radius:var(--radius-drawer)}.admin-brand{display:flex;align-items:center;gap:.875rem;margin-bottom:2rem;padding:0 .5rem}.admin-brand-mark{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:var(--radius-button);background:var(--color-secondary);font-weight:700;letter-spacing:.04em}.admin-brand-title{margin:0;font-size:1rem;font-weight:700}.admin-brand-subtitle{margin:.125rem 0 0;font-size:.75rem;color:rgba(255,255,255,.78)}.admin-nav{display:flex;flex-direction:column;gap:.375rem}.admin-nav-link{display:block;padding:.75rem .875rem;border-radius:var(--radius-button);color:var(--color-white);text-decoration:none;font-size:.9375rem;font-weight:500;transition:background .15s ease}.admin-nav-link:hover{background:rgba(255,255,255,.1)}.admin-nav-link-active{background:var(--color-secondary);font-weight:600}.admin-main{display:flex;flex-direction:column;min-width:0}.admin-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 1.75rem;background:var(--color-background);border-bottom:1px solid var(--color-border);border-bottom-left-radius:var(--radius-drawer);border-bottom-right-radius:var(--radius-drawer)}.admin-header h1{margin:0;font-size:1.25rem;font-weight:600}.admin-content{padding:1.75rem}@media (max-width:768px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{border-right:none;border-bottom:1px solid rgba(255,255,255,.12);border-radius:0 0 var(--radius-drawer) var(--radius-drawer)}}