:root{--primary:#4000ff;--base:#0a2434;--muted:#5b6b76;--border:#e3e8ec;--bg:#f6f8fa;--card-bg:#fff;--danger:#b20f03}*{box-sizing:border-box}body{color:var(--base);background:var(--bg);margin:0;font-family:Montserrat,system-ui,sans-serif;font-size:14px;line-height:1.5}.r-shell{flex-direction:column;min-height:100vh;display:flex}.r-nav{background:var(--card-bg);border-bottom:1px solid var(--border);align-items:center;gap:4px;padding:10px 16px;display:flex}.r-nav__brand{margin-right:16px;font-weight:700}.r-nav__link{color:var(--muted);border-radius:4px;padding:6px 12px;font-weight:600;text-decoration:none}.r-nav__link.is-active{color:var(--primary);background:#f0edff}.r-nav__meta{color:var(--muted);margin-left:auto;font-size:12px}.r-main{flex:1;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));align-content:start;gap:16px;padding:16px;display:grid}.r-card{background:var(--card-bg);border:1px solid var(--border);border-radius:6px;padding:16px}.r-card__title{margin:0 0 4px;font-size:15px;font-weight:700}.r-card__subtitle{color:var(--muted);margin:0 0 12px;font-size:12px}.r-empty{text-align:center;min-height:60vh;color:var(--muted);place-items:center;display:grid}