.app{font-family:monospace;padding:20px;background:#f9f9f9;color:#000}.app.dark{background:#111;color:#eee}.hex-viewer{margin-top:20px;overflow-x:auto;border:1px solid #444}.hex-viewer table{border-collapse:collapse;width:100%}.hex-viewer th,.hex-viewer td{padding:4px 8px;border-bottom:1px solid #444}.offset{color:#888}.hex{font-family:monospace;white-space:pre}.ascii{font-family:monospace}button{padding:10px 20px;border:none;border-radius:12px;cursor:pointer;font-size:16px;transition:background .3s,color .3s}button:hover{background:#555;color:#fff}.app.dark button{background:#333;color:#eee}.app button{background:#eee;color:#111}