:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#e8eef8;background:#081019}body{margin:0}*{box-sizing:border-box}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{padding:24px;background:#0f1a28;border-right:1px solid #1f3148}.brand{font-size:20px;font-weight:700;margin-bottom:24px}.menu-item{display:block;color:#d6e2f3;text-decoration:none;padding:10px 12px;border-radius:10px;margin-bottom:8px;background:#ffffff0a}.content{padding:24px}.topbar{margin-bottom:20px;color:#9cb0ca}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card,.panel{background:#112033;border:1px solid #243b57;border-radius:16px;padding:24px}.auth-card{width:min(420px,100%)}.auth-card form{display:grid;gap:12px}.auth-card input,.auth-card button{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #314b67}.auth-card button{background:#16a085;color:#fff;border:none}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}