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var(--border);border-radius:var(--radius);background:var(--panel);backdrop-filter:blur(18px);box-shadow:var(--shadow)}.qr-panel{display:grid;gap:10px;margin-top:16px;justify-items:start}.qr-panel-label{margin:0;font-weight:700;color:var(--text)}.qr-panel-description{margin:0;color:var(--muted);font-size:.95rem;line-height:1.5}.qr-panel-image{display:block;width:min(220px,100%);height:auto;padding:10px;border-radius:16px;border:1px solid var(--border);background:#fff}.camera-qr-panel{display:grid;gap:12px;margin-top:16px}.camera-qr-video{width:100%;max-width:100%;min-height:220px;border-radius:16px;border:1px solid var(--border);background:#0b3142;object-fit:cover}.camera-qr-hint{margin:0;color:var(--muted);font-size:.95rem;line-height:1.5}.chat-shell{width:100%;max-width:none;padding:16px;min-width:0;height:var(--app-viewport-height, 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