/* Page-specific styles extracted from blog/2026-07-11-ble-research-lab.html. */
        .post-body h2 { font-family: var(--font-head); font-size: 14px; letter-spacing: 3px; color: var(--cyan); text-transform: uppercase; margin: 40px 0 16px; }
        .post-body pre { background: #0a0a0f; border: 1px solid var(--border); border-left: 3px solid var(--purple); border-radius: 6px; padding: 20px; overflow-x: auto; margin: 20px 0; font-family: 'Courier New', monospace; font-size: 13px; color: var(--text-main); line-height: 1.6; }
        .callout { background: rgba(0,229,255,0.05); border: 1px solid rgba(0,229,255,0.2); border-left: 3px solid var(--cyan); border-radius: 6px; padding: 16px 20px; margin: 24px 0; font-size: 14px; color: var(--text-main); line-height: 1.7; }
        .callout-purple { background: rgba(155,111,255,0.05); border: 1px solid rgba(155,111,255,0.2); border-left: 3px solid var(--purple); border-radius: 6px; padding: 16px 20px; margin: 24px 0; font-size: 14px; color: var(--text-main); line-height: 1.7; }
        .callout-purple strong { color: var(--purple); }
        .post-footer-nav { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid var(--border); padding-top: 32px; margin-top: 60px; }
        .series-label { font-family: var(--font-head); font-size: 8px; letter-spacing: 2px; color: var(--text-muted); text-transform: uppercase; text-align: center; flex-shrink: 0; }
        .lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
        .lab-card { background: rgba(155,111,255,0.05); border: 1px solid rgba(155,111,255,0.2); border-radius: 8px; padding: 20px; }
        .lab-card-title { font-family: var(--font-head); font-size: 9px; letter-spacing: 2px; color: var(--cyan); text-transform: uppercase; margin-bottom: 6px; }
        .lab-card-device { color: var(--white); font-size: 14px; font-weight: 600; margin-bottom: 10px; }
        .lab-card-purpose { color: var(--text-muted); font-size: 12px; line-height: 1.6; }
        .post-img { width: 100%; border-radius: 6px; margin: 28px 0 8px; display: block; cursor: zoom-in; transition: opacity 0.2s; }
        .post-img:hover { opacity: 0.88; }
        .post-img-caption { font-size: 12px; color: var(--text-muted); text-align: center; margin-bottom: 28px; letter-spacing: 0.5px; }
        #lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 9999; cursor: zoom-out; align-items: center; justify-content: center; padding: 24px; }
        #lightbox.active { display: flex; }
        #lightbox img { max-width: 100%; max-height: 90vh; border-radius: 8px; border: 1px solid rgba(155,111,255,0.3); box-shadow: 0 0 60px rgba(0,229,255,0.1); }
        #lightbox-close { position: fixed; top: 20px; right: 24px; font-family: var(--font-head); font-size: 11px; letter-spacing: 2px; color: var(--text-muted); cursor: pointer; background: rgba(20,22,28,0.9); border: 1px solid var(--border); border-radius: 4px; padding: 6px 14px; text-transform: uppercase; }
        #lightbox-close:hover { color: var(--cyan); border-color: var(--cyan); }
        @media (max-width: 600px) { .lab-grid { grid-template-columns: 1fr; } }