:root{color:#0f172a;background:#f0f9ff;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0}a{color:#0369a1}.shell{max-width:960px;margin:0 auto;padding:1.5rem 1rem 3rem}.page-header{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;display:flex}.muted{color:#64748b}.error{color:#b91c1c}.login-page,.callback-page{text-align:center;max-width:28rem;margin:4rem auto;padding:0 1rem}.login-buttons{flex-direction:column;gap:.5rem;margin-top:1.5rem;display:flex}button{color:#fff;font:inherit;cursor:pointer;background:#0284c7;border:none;border-radius:8px;padding:.65rem 1rem}button.secondary{color:#0f172a;background:#e2e8f0}.card-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;display:grid}.space-card{color:inherit;background:#fff;border:1px solid #bae6fd;border-radius:12px;flex-direction:column;gap:.35rem;padding:1rem;text-decoration:none;display:flex}.space-icon{font-size:1.75rem}.space-role{color:#64748b;font-size:.85rem}.detail-grid{grid-template-columns:2fr 1fr;gap:1.5rem;display:grid}@media (width<=720px){.detail-grid{grid-template-columns:1fr}}section{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1rem 1.25rem}.wave-list,.member-list{margin:0;padding:0;list-style:none}.wave-list li,.member-list li{border-bottom:1px solid #f1f5f9;justify-content:space-between;gap:.75rem;padding:.5rem 0;display:flex}.wave-list li:last-child,.member-list li:last-child{border-bottom:none}