.loading-overlay{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:9998;flex-direction:column;gap:16px;transition:opacity .4s ease}.loading-overlay.hidden{opacity:0;pointer-events:none}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:.6rem;color:var(--text-muted);font-weight:500;letter-spacing:.3px}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:0 12px;height:44px;background:var(--bg);border-bottom:1px solid var(--border);flex-shrink:0;z-index:50}.header-left{display:flex;align-items:center;gap:8px}.header-center{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;max-width:280px;margin:0 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12px}.certificate-wrapper{max-width:780px;width:100%;background:var(--cert-bg,var(--surface));border:1px solid var(--border);padding:28px 32px 20px;position:relative;transition:all .3s ease;overflow:hidden}.certificate-wrapper::before{content:"VERIFIED";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-30deg);font-family:Inter,sans-serif;font-size:5rem;font-weight:800;color:var(--accent);opacity:.04;pointer-events:none;user-select:none;letter-spacing:12px;white-space:nowrap;z-index:0}.certificate-wrapper .border-line{position:absolute;background:var(--border);opacity:.25}.certificate-wrapper .border-line.top{top:10px;left:10px;right:10px;height:1px}.certificate-wrapper .border-line.bottom{bottom:10px;left:10px;right:10px;height:1px}.certificate-wrapper .border-line.left{top:10px;left:10px;bottom:10px;width:1px}.certificate-wrapper 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