/* Page-specific styles extracted from blog/2026-07-09-bluetooth-nrf52840-ble-sniffer.html. */
        .post-body h2 {
            font-family: var(--font-head);
            font-size: 14px;
            letter-spacing: 3px;
            color: var(--cyan);
            text-transform: uppercase;
            margin: 44px 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-warn {
            background: rgba(255,79,203,0.05);
            border-color: rgba(255,79,203,0.2);
            border-left-color: var(--pink);
        }
        .callout-warn strong { color: var(--pink); }
        .callout-purple {
            background: rgba(155,111,255,0.05);
            border-color: rgba(155,111,255,0.25);
            border-left-color: var(--purple);
        }
        .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;
        }
        .packet-type {
            display: flex;
            gap: 16px;
            margin: 14px 0;
            align-items: flex-start;
        }
        .packet-label {
            font-family: 'Courier New', monospace;
            font-size: 12px;
            color: var(--cyan);
            background: rgba(0,229,255,0.08);
            border: 1px solid rgba(0,229,255,0.2);
            border-radius: 4px;
            padding: 3px 10px;
            white-space: nowrap;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .packet-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .stat-row {
            display: flex;
            gap: 24px;
            margin: 20px 0;
            flex-wrap: wrap;
        }
        .stat-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px 22px;
            flex: 1;
            min-width: 140px;
        }
        .stat-num {
            font-family: var(--font-head);
            font-size: 28px;
            color: var(--purple);
            letter-spacing: 1px;
        }
        .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .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;
        }
        .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;
        }
        .post-img-caption a {
            color: var(--purple);
            text-decoration: none;
        }
        /* Lightbox */
        #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);
            cursor: zoom-out;
        }
        #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); }