:root{--vz-bg: #13494d;--vz-bg-deep: #0f3a3d;--vz-text: #eaf3ef;--vz-muted: #9bb5ad;--vz-accent: #7cc6a6;--vz-online: #5fd38a;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:var(--vz-bg-deep);color:var(--vz-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;user-select:none}.player-root{position:fixed;inset:0;background:#000;overflow:hidden;cursor:none}.player-stage{position:absolute;inset:0;transform-origin:center center}.player-layer{position:absolute;inset:0;opacity:0;transition:opacity .25s ease-in-out;background:#000}.player-layer video,.player-layer img.media,.player-layer iframe.frame{position:absolute;inset:0;width:100%;height:100%;background:#000}.player-layer 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.diag-tag{color:var(--vz-accent);text-transform:none;letter-spacing:0;font-size:.85rem}.diag-label{flex:1}.diag-tag{font-size:.75rem;color:var(--vz-muted);text-transform:uppercase;letter-spacing:.05em}.diag-summary{font-size:.95rem;padding:10px 12px;border-radius:10px}.diag-summary.ok{color:var(--vz-online);background:#5fd38a1a}.diag-summary.bad{color:#ffb4a2;background:#ff78641a}.pairing-hint{text-align:center;color:var(--vz-muted);font-size:.95rem;margin-top:18px}.pairing-hint b{color:var(--vz-text)}