/* ===== QR Generator Specific Styles ===== */
        .type-buttons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }
        
        @media (max-width: 640px) {
            .type-buttons {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        .type-btn {
            padding: 8px 12px;
            border: 1.5px solid var(--border);
            border-radius: 8px;
            background: var(--bg);
            font-family: inherit;
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        
        .type-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        
        .type-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
        }
        
        .type-btn.active:hover {
            background: var(--primary);
            color: white;
        }
        
        textarea,
        .contact-input,
        .wifi-input {
            width: 100%;
            padding: 10px 14px;
            font-size: 0.95rem;
            font-family: inherit;
            border: 1.5px solid var(--border);
            border-radius: 10px;
            background: var(--bg);
            transition: var(--transition);
            outline: none;
            color: var(--text);
        }
        
        textarea:focus,
        .contact-input:focus,
        .wifi-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
        }
        
        textarea {
            resize: vertical;
            min-height: 80px;
            line-height: 1.6;
        }
        
        textarea::placeholder {
            color: var(--text-muted);
        }
        
        .settings-group {
            background: var(--bg);
            padding: 14px 16px;
            border-radius: 10px;
            border: 1px solid var(--border);
            margin: 16px 0;
        }
        
        .settings-group h4 {
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        
        .settings-row {
            margin-bottom: 10px;
        }
        
        .settings-row:last-child {
            margin-bottom: 0;
        }
        
        .settings-row label {
            display: block;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        
        .settings-row input[type="range"] {
            width: 100%;
            accent-color: var(--primary);
            cursor: pointer;
        }
        
        .settings-row.color-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        
        .settings-row.color-row label {
            font-size: 0.7rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--text-muted);
        }
        
        .settings-row.color-row input[type="color"] {
            width: 100%;
            height: 40px;
            padding: 2px;
            border: 1.5px solid var(--border);
            border-radius: 8px;
            cursor: pointer;
            background: var(--bg);
        }
        
        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            cursor: pointer;
            font-weight: 500;
        }
        
        .checkbox-label input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--primary);
            cursor: pointer;
            flex-shrink: 0;
        }
        
        .calc-btn.secondary {
            background: var(--surface);
            color: var(--text);
            border: 1.5px solid var(--border);
            box-shadow: none;
        }
        
        .calc-btn.secondary:hover {
            background: var(--bg);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        
        .qr-container {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            text-align: center;
        }
        
        .qr-display {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 240px;
            position: relative;
        }
        
        .qr-display canvas {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        
        .qr-hint {
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 20px;
        }
        
        .qr-info {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 16px;
            box-shadow: var(--shadow);
            margin-top: 16px;
        }
        
        .qr-info h4 {
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        
        .info-row {
            display: flex;
            justify-content: space-between;
            padding: 4px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        
        .info-row:last-child {
            border-bottom: none;
        }
        
        .info-label {
            color: var(--text-secondary);
            font-weight: 500;
        }
        
        .info-value {
            color: var(--text);
            font-weight: 600;
            text-align: right;
        }
        
        .examples-container {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 16px;
            box-shadow: var(--shadow);
            margin-top: 16px;
        }
        
        .examples-container h4 {
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        
        .example-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .example-btn {
            padding: 6px 16px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: var(--bg);
            font-family: inherit;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .example-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* ===== Screenshot Figure ===== */
        .screenshot-figure {
            margin: 20px 0 30px;
        }

        .screenshot-figure img {
            width: 100%;
            max-width: 760px;
            height: auto;
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            display: block;
        }

        .screenshot-figure figcaption {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
        }

        .highlight-box {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 16px 20px;
            margin: 16px 0;
        }

        .highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
            color: var(--text);
        }

        .qr-types-table {
            width: 100%;
            border-collapse: collapse;
            margin: 12px 0;
            font-size: 0.85rem;
        }

        .qr-types-table th,
        .qr-types-table td {
            padding: 10px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .qr-types-table th {
            background: var(--bg);
            font-weight: 600;
            color: var(--text-secondary);
        }

        .qr-types-table td {
            color: var(--text-secondary);
        }

        .qr-types-table .badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .use-case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 10px;
            margin: 12px 0;
        }

        .use-case-grid .use-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 16px;
            text-align: center;
        }

        .use-case-grid .use-item .icon {
            font-size: 1.5rem;
            display: block;
            margin-bottom: 4px;
        }

        .use-case-grid .use-item strong {
            display: block;
            color: var(--text);
            font-size: 0.9rem;
        }

        .use-case-grid .use-item span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }