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minmax(0,1fr);height:100dvh;max-height:100dvh;display:grid;overflow:hidden}.embed-route{background:#000;place-items:center;width:100vw;height:100dvh;display:grid;overflow:hidden}.embed-qr{aspect-ratio:1;height:auto;image-rendering:pixelated;width:min(100vw,100dvh);max-width:100vw;max-height:100dvh}.embed-card{max-width:min(1040px,100%)}.settings-pane{border-right:1px solid var(--border);flex-direction:column;min-width:0;min-height:0;display:flex}.app-header,.settings-scroll,.preview-pane{padding:24px}.app-header{border-bottom:1px solid var(--border);gap:6px;display:grid}.eyebrow{color:var(--muted-strong);letter-spacing:.16em;text-transform:uppercase;margin:0;font-size:.72rem;font-weight:600}h1,h2{letter-spacing:0;margin:0;line-height:1.1}h1{font-size:2.15rem;font-weight:500}h2{font-size:1.05rem;font-weight:500}.settings-scroll{overscroll-behavior:contain;flex-direction:column;flex:1;gap:0;min-height:0;display:flex;overflow-y:auto}.settings-section{gap:18px;padding:18px 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