*{box-sizing:border-box}html,body{max-width:100%;overflow-x:hidden}body{margin:0}img{max-width:100%;height:auto}a{color:inherit}input,select,textarea,button{font:inherit}textarea{resize:vertical}.app-main{padding:20px 18px}.app-header-shell{max-width:1200px;margin:0 auto;padding:10px 18px 12px}.app-header-top{grid-template-columns:minmax(180px,1fr) auto;align-items:center;gap:12px;margin-bottom:10px;display:grid}.app-header-left{justify-content:flex-start;align-items:center;min-width:0;display:flex}.app-header-right-brand{justify-content:flex-end;align-items:center;min-width:0;display:flex}.app-client-branding{border-radius:999px;justify-content:center;align-items:center;gap:10px;max-width:100%;min-height:42px;padding:6px 14px;display:inline-flex}.app-client-branding-logo{object-fit:contain;background:#fff;border:1px solid #e5e7eb;border-radius:6px;flex-shrink:0;width:24px;height:24px}.app-client-branding-name{text-align:center;text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.app-client-branding-placeholder{color:#9ca3af;background:#fafafa;border:1px dashed #d1d5db;border-radius:999px;justify-content:center;align-items:center;max-width:100%;min-height:42px;padding:6px 14px;font-size:13px;font-weight:600;display:inline-flex}.app-header-bottom{border-top:1px solid #f0f0f0;justify-content:center;padding-top:10px;display:flex}.app-header-nav{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}@media (max-width:960px){.app-header-top{grid-template-columns:1fr;gap:10px}.app-header-left{justify-content:flex-start}.app-header-right-brand{justify-content:center}.app-client-branding,.app-client-branding-placeholder{width:100%;max-width:420px}.app-header-bottom,.app-header-nav{justify-content:center}}@media (max-width:768px){.app-main{padding:14px 12px}.app-header-shell{padding:10px 12px 12px}.app-header-nav{gap:8px}}