.case-converter-container {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        }
        .input-output-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .input-output-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }
        .conversion-selector {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem 1rem;
            margin: 1rem 0 1.25rem 0;
            padding: 0.75rem 1rem;
            background: #f8f9fa;
            border-radius: 8px;
        }
        .conversion-selector label {
            font-weight: 600;
            margin-bottom: 0;
            white-space: nowrap;
        }
        .conversion-selector select { 
            min-width: 160px;
            padding: 0.4rem 0.75rem;
            border-radius: 6px;
            border: 1px solid #ced4da;
            background: #fff;
            font-size: 0.95rem;
        }
        .case-description {
            font-size: 0.9rem;
            color: #495057;
            background: #e9ecef;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            white-space: nowrap;
        }
        .textarea-box {
            width: 100%;
            min-height: 160px;
            padding: 0.75rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            resize: vertical;
            transition: border-color 0.2s;
            background: #fff;
        }
        .textarea-box:focus {
            border-color: #0d6efd;
            outline: 0;
            box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.15);
        }
        .textarea-box.output {
            background: #f8f9fa;
            color: #212529;
        }
        .textarea-box.output:focus {
            border-color: #ced4da;
            box-shadow: none;
            background: #f8f9fa;
        }
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            margin-top: 0.75rem;
            font-size: 0.9rem;
            color: #495057;
        }
        .stats-row .stat-item {
            display: flex;
            align-items: baseline;
            gap: 0.3rem;
        }
        .stats-row .stat-item .stat-value {
            font-weight: 600;
            color: #0d6efd;
            font-size: 1.05rem;
        }
        .example-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0 0.5rem 0;
        }
        .example-chip {
            background: #e7f1ff;
            border: 1px solid #b6d4fe;
            border-radius: 20px;
            padding: 0.3rem 0.9rem;
            font-size: 0.85rem;
            color: #084298;
            cursor: pointer;
            transition: all 0.15s;
            font-family: 'Courier New', monospace;
        }
        .example-chip:hover {
            background: #cfe2ff;
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(13,110,253,0.15);
        }
        .action-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.75rem;
        }
        .action-buttons .btn {
            font-size: 0.9rem;
        }
        .conversion-result-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.25rem;
        }
        .conversion-result-label .badge-case {
            background: #6c757d;
            color: #fff;
            padding: 0.2rem 0.7rem;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .toast-message {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #212529;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-size: 0.95rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.25);
            z-index: 9999;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.3s, transform 0.3s;
            pointer-events: none;
        }
        .toast-message.show {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .toast-message i {
            margin-right: 0.5rem;
        }
        .naming-convention-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .naming-convention-table th,
        .naming-convention-table td {
            padding: 0.6rem 1rem;
            border: 1px solid #dee2e6;
            text-align: left;
            vertical-align: top;
        }
        .naming-convention-table th {
            background: #f1f3f5;
            font-weight: 600;
        }
        .naming-convention-table tr:nth-child(even) {
            background: #fafbfc;
        }
        .naming-convention-table .example-code {
            font-family: 'Courier New', monospace;
            background: #f1f3f5;
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            font-size: 0.85rem;
        }
        .deep-dive-section {
            background: #f8faff;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-left: 4px solid #0d6efd;
        }
        .deep-dive-section h5 {
            color: #0d6efd;
            margin-bottom: 0.75rem;
        }
        .deep-dive-section p,
        .deep-dive-section li {
            text-align: justify;
        }
        .privacy-badge {
            background: #e7f3ff;
            border: 1px solid #b8daff;
            color: #004085;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            margin: 0.75rem 0;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #e7f1ff;
            color: #084298;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.15);
        }
        .related-tools-container .related-tools-container .related-tool .related-name a {
            font-weight: 600;
            color: #0d6efd;
            text-decoration: none;
        }
        .related-tool .related-name a:hover {
            text-decoration: underline;
        }
        .related-tool .related-desc {
            font-size: 0.85rem;
            color: #6c757d;
        }
        .related-content {
            flex: 1;
        }
        .tool-header .lead {
            font-size: 1.05rem;
            font-weight: 400;
            color: #495057;
        }
        .badge-case-type {
            background: #0d6efd;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            letter-spacing: 0.3px;
        }
        .case-preview-tag {
            display: inline-block;
            background: #f1f3f5;
            padding: 0.1rem 0.6rem;
            border-radius: 12px;
            font-size: 0.8rem;
            font-family: 'Courier New', monospace;
            color: #212529;
        }
        @media (max-width: 576px) {
            .conversion-selector {
                flex-direction: column;
                align-items: stretch;
            }
            .conversion-selector label {
                margin-bottom: 0.25rem;
            }
            .case-description {
                white-space: normal;
                text-align: center;
            }
        }