.demo-banner{background:#dff2ff;border-bottom-color:#9dc9e8;color:#123d5a}.demo-nav-link{border:0;background:transparent;color:inherit;font:inherit;font-weight:600;cursor:pointer;padding:0}.demo-nav-link:hover,.demo-nav-link:focus-visible,.demo-nav-link.is-active{text-decoration:underline}.demo-disabled-link{pointer-events:none;opacity:.45}.demo-intro{margin:0 0 20px;color:var(--muted);line-height:1.6}.demo-account-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 28px}.demo-account-card{padding:16px;border:1px solid var(--border);border-radius:9px;background:var(--background)}.demo-account-card span{display:block;color:var(--muted);font-size:.9rem;margin-bottom:4px}.demo-account-card strong{color:var(--accent-dark)}.demo-section-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}.demo-section-button{display:block;padding:20px;border:1px solid #b7c9d8;border-radius:9px;background:var(--surface);text-decoration:none;cursor:pointer}.demo-section-button strong{display:block;color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px;margin-bottom:6px}.demo-section-button span{color:var(--muted)}.demo-section-button:hover{border-color:var(--accent);background:var(--background)}.demo-subnav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.demo-subnav button{padding:8px 12px;border:1px solid var(--border);border-radius:7px;background:var(--surface);font:inherit;font-weight:600;cursor:pointer}.demo-subnav button.is-active{background:var(--accent);border-color:var(--accent);color:#fff}.demo-readonly{background:#f3f6f8!important}.demo-note{margin:14px 0 0;color:var(--muted);font-size:.94rem}.demo-fake-save{pointer-events:auto}.demo-directory-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0}.demo-directory-bar select{padding:10px 12px;border:1px solid var(--border);border-radius:7px;background:#fff;font:inherit}.demo-file-list{margin-top:14px;border:1px solid var(--border);border-radius:9px;overflow:hidden}.demo-file-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:16px;padding:12px 14px;border-bottom:1px solid var(--border);align-items:center}.demo-file-row:last-child{border-bottom:0}.demo-file-row small{color:var(--muted)}.demo-file-row button{border:0;background:transparent;color:var(--accent-dark);font:inherit;font-weight:600;text-decoration:underline;cursor:pointer}.demo-toast{margin-top:14px}.device-master-detail{height:min(68vh,720px)}.device-list-panel,.device-detail-panel{overflow:auto;max-height:100%}.device-list-panel h2{margin:4px 4px 10px;font-size:1.05rem;color:var(--accent-dark)}.device-list-item{border:0;text-align:left;font:inherit;cursor:pointer}.device-detail-card{min-height:100%}.portal-panel-wide.demo-wide{max-width:1100px}.data-link-matrix input{pointer-events:none}.demo-top-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.demo-top-actions h1{margin:0}.demo-top-actions .eyebrow{margin-bottom:6px}@media(max-width:800px){.header-inner{flex-wrap:wrap;padding:10px 0}.main-nav{order:3;width:100%;overflow:auto;padding-bottom:8px}.demo-account-grid,.demo-section-actions{grid-template-columns:1fr}.device-master-detail{height:auto}.device-list-panel,.device-detail-panel{max-height:none}.demo-file-row{grid-template-columns:1fr}.demo-top-actions{align-items:flex-start;flex-direction:column}}