.site-header,.site-footer{background:#fff;border-bottom:1px solid #e2e8f0}.site-footer{border-top:1px solid #e2e8f0;border-bottom:none;margin-top:40px}.header-row,.footer-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0}.main-nav,.header-actions,.footer-row nav{display:flex;align-items:center;gap:16px}.app-shell{min-height:calc(100vh - 140px);padding:24px 0 40px}.inline-form{display:inline-block;margin:0}.hero{padding:32px 0}.hero-actions{display:flex;gap:12px;margin-top:16px}.simple-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}