:root{--bg:#0b0c10;--card:#121317;--text:#e6e6e6;--muted:#9aa0a6;--accent:#3b82f6}*{box-sizing:border-box}body,html{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid #1f2430;border-radius:12px;padding:20px;box-shadow:0 6px 24px rgba(0,0,0,.25)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}label{font-size:14px;color:var(--muted)}input{border-radius:8px;border:1px solid #2a3142;background:#0e1117;color:var(--text);outline:none}button,input{padding:12px 14px}button{border-radius:8px;border:0;background:var(--accent);color:#fff;cursor:pointer;font-weight:600}button:disabled{opacity:.7;cursor:default}h1,h2,h3{margin-top:0}.helper{color:var(--muted);font-size:14px}.error{color:#ff6b6b;font-size:14px}.success{color:#22c55e;font-size:14px}.shell{display:grid;grid-template-columns:220px 1fr;grid-gap:20px;gap:20px;max-width:1200px;margin:0 auto;padding:24px}.content{min-height:calc(100vh - 72px)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #1f2430;background:#0b0c10}.brand{font-weight:700;letter-spacing:.3px;color:var(--text)}.topbar-right{display:flex;gap:10px;align-items:center}.userpill{font-size:14px;color:var(--muted)}.btn{padding:10px 12px;border-radius:8px;border:1px solid #2a3142;background:var(--accent);color:#fff;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.btn.ghost{background:transparent;color:var(--text)}.sidenav{display:flex;flex-direction:column;gap:8px;padding:8px;border-right:1px solid #1f2430}.side-link{padding:10px 12px;border-radius:8px;background:#0e1117;border:1px solid #2a3142;color:var(--text);text-decoration:none}.side-link.active{border-color:var(--accent)}.categories{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px;margin-top:16px}.cat-card h2{margin-bottom:10px}.item-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.item{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:8px;background:#0e1117;border:1px solid #2a3142}.item .tag{font-size:12px;color:var(--muted)}